File 96CAN.TXT lists all class numbers cancelled in the UDC Master Reference File since December 1995. UDC Class number: =511.114 Description: Livonian UDC Class number: 389.15 Description: Systems of weights and measures Replaced by: 006.915 UDC Class number: 519.68 Description: Computer programming Replaced by: 004.42 UDC Class number: 519.681 Description: Theory of programming Replaced by: 004.42 UDC Class number: 519.682 Description: Programming languages Replaced by: 004.43 UDC Class number: 519.683 Description: Programming methods and devices Replaced by: 004.424 UDC Class number: 519.683.2 Description: Flow diagrams, operation schemes and other methods for describing programs Replaced by: 004.415.2 UDC Class number: 519.683.4 Description: Storage allocation Replaced by: 004.451.31 UDC Class number: 519.683.5 Description: Information retrieval. File organization Replaced by: 004.451.53.Replaced by: 025.4.036 UDC Class number: 519.683.6 Description: Methods of sorting Replaced by: 004.424.5 UDC Class number: 519.684 Description: Programming for specialized computers Replaced by: 004.42:004.38.. UDC Class number: 519.685 Description: Automatic programming Replaced by: 004.4`24 UDC Class number: 519.686 Description: Checking and debugging of programs Replaced by: 004.415.5.Replaced by: 004.416.2 UDC Class number: 519.687 Description: Programmed operation of computers Replaced by: 004.451.Replaced by: 004.031.4.. UDC Class number: 519.688 Description: Programs and algorithms for computer solution of specific problems Replaced by: 004.421.. UDC Class number: 531 Description: Mechanics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-1 Description: General description Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-11 Description: Foundations. Definitions. Basic laws Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-12 Description: Problems of mechanics. Basic equations. Boundary conditions and initial conditions Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-122 Description: Correctness of problem statement Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-123 Description: Existence and uniqueness of problem solutions Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-126 Description: Equation of energy Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-127 Description: Equation of state Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-128 Description: Kinetic equations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-13 Description: Mathematical classification of mechanics problems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-132 Description: Linear problems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-133 Description: Nonlinear problems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-134 Description: Boundary value problems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-135 Description: Initial value problems. Cauchy problem Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-136 Description: Mixed boundary value/initial value problems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-137 Description: Variational problems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-14 Description: Methods of solution of mechanical problems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142 Description: Mathematical methods Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142.2 Description: Analytical methods Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142.22 Description: Asymptotic methods. Method of small parameters. Series methods Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142.23 Description: Group-theoretical methods Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142.24 Description: Methods of complex variables Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142.26 Description: Bubnov-Galerkin method. Galerkin method Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142.3 Description: Numerical methods Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142.32 Description: Finite differences methods Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142.33 Description: Method of characteristics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142.34 Description: Method of integral relations and method of straight lines Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142.35 Description: Method of collocations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142.36 Description: Finite elements method Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142.37 Description: Boundary elements method Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142.38 Description: Numerical methods of optimization Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142.39 Description: Other numerical methods Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142.4 Description: Dimensional methods. Theory of similarity Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142.42 Description: Characteristic numbers. Similarity parameters Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142.44 Description: Self-similarity Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142.6 Description: Statistical methods Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-142.9 Description: Other mathematical methods Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-143 Description: Grapho-analytical methods. Geometric, graphical methods Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-144 Description: Analogies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-149 Description: Other methods of solutions Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-17 Description: Special questions in specific divisions Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-2 Description: Parameters Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-3 Description: Properties and models of media or systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-4 Description: Special conditions imposed on media or objects Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-5 Description: Properties and models of objects. Processes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-8 Description: Experiments. Tests. Observations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-82 Description: Error measurements Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-84 Description: Treatment of experiments Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-86 Description: Planning of experiments Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-87 Description: Observations. Treatment of observations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531-88 Description: Measurements, observations from space Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1 Description: Rational mechanics. Mechanics of rigid bodies, solids Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-1 Description: General description Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-11 Description: Foundations. Definitions. Basic laws Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-111 Description: Basic definitions of mechanics. Axiomatics of mechanics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-114 Description: Laws of motion Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-12 Description: Basic equations. Boundary conditions and initial conditions Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-124 Description: Motion equations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-124.2 Description: Lagrange equations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-124.3 Description: Hamilton equations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-2 Description: Parameters Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-22 Description: One-dimensional. Two-dimensional. Three-dimensional. Multi-dimensional Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-222 Description: One-dimensional. Line Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-223 Description: Two-dimensional. Plane. Surface Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-225 Description: Three-dimensional Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-227 Description: Multi-dimensional. n-dimensional Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-23 Description: Degrees of freedom Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-232 Description: One degree of freedom Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-233 Description: Two degrees of freedom Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-235 Description: Three degrees of freedom Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-237 Description: n degrees of freedom Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-24 Description: Time parameter Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-242 Description: Nonsteady (motion) Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-243 Description: Steady (motion) Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-245 Description: Quasi-steady (motion) Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-3 Description: Properties of systems, constraints Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-32 Description: Ideal and nonideal constraints Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-322 Description: Ideal Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-324 Description: Nonideal Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-33 Description: Holonomic and nonholonomic systems, constraints Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-332 Description: Holonomic Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-334 Description: Nonholonomic Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-34 Description: Conservative and nonconservative systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-342 Description: Conservative Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-344 Description: Nonconservative Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-35 Description: Dissipative systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-36 Description: Scleronomous and rheonomous constraints Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-362 Description: Scleronomous Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-364 Description: Rheonomous Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-37 Description: Two-side and one-side constraints Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-372 Description: Two-side Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.1-374 Description: One-side Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.12 Description: Mechanics of a particle (material point), systems and rigid bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122 Description: Kinematics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122.2 Description: Velocity Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122.23 Description: Angular Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122.25 Description: Relative Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122.3 Description: Acceleration Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122.32 Description: Tangential Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122.33 Description: Normal Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122.34 Description: Angular Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122.35 Description: Relative Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122.352 Description: Coriolis-acceleration Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122.4 Description: Kinematics of a particle and systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122.42 Description: Absolute and relative motion Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122.43 Description: Composition of motions. Trajectories Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122.44 Description: Composition of velocities Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122.46 Description: Composition of accelerations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122.5 Description: Kinematics of rigid bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122.52 Description: Translation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122.53 Description: Rotation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122.532 Description: About a fixed point Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.122.533 Description: About an axis Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.123 Description: Statics. Forces. Mass geometry Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.123.1 Description: Variational principles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.123.12 Description: Principle of virtual displacements Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.123.3 Description: Forces. Moments Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.123.32 Description: Composition and resolution of forces Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.123.322 Description: Parallel Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.123.323 Description: Nonparallel Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.123.34 Description: Moment of a force Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.123.35 Description: Couples Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.123.36 Description: Moment of inertia Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.123.37 Description: Moment of rotation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.123.5 Description: Equilibrium. Conditions of equilibrium Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.123.52 Description: Stable Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.123.53 Description: Unstable Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.123.55 Description: Neutral Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.123.6 Description: Attraction. Laws of gravitation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.123.7 Description: Centre of gravity Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124 Description: Dynamics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.1 Description: Variational principles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.12 Description: Differential variational principles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.122 Description: D'Alembert-Lagrange principle Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.124 Description: Jourdain principle Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.125 Description: Gauss principle of least constraint Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.129 Description: Other differential principles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.13 Description: Integral variational principles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.132 Description: Principles of least action Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.132.2 Description: Hamilton-Ostrogradsky principle Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.132.3 Description: Lagrange principle Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.132.5 Description: Jacobi principle Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.139 Description: Other integral principles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.2 Description: Momentum. Energy Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.22 Description: Momentum Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.222 Description: Moment of momentum Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.23 Description: Energy Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.232 Description: Kinetic energy Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.233 Description: Potential energy Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.3 Description: Motion of a particle and systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.32 Description: Motion in vacuum, without dissipative forces Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.33 Description: Motion in resistive media, with dissipative forces Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.34 Description: Motion under action of central forces Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.36 Description: Motion with variable mass Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.4 Description: Motion of rigid bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.42 Description: Translation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.422 Description: About a fixed point Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.423 Description: About an axis Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.425 Description: On a horizontal plane Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.43 Description: Rotation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.44 Description: Composition of translation and rotation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.45 Description: Free motion Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.46 Description: Motion of solids of variable mass Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.48 Description: External ballistics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.482 Description: Trajectories of projectiles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.483 Description: Rotation of projectiles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.486 Description: Scattering of projectiles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.5 Description: Gyroscopy. Theory of gyroscopes and gyroscopic systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.51 Description: General theory of gyroscopes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.512 Description: Precession Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.513 Description: Nutation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.514 Description: Symmetrical gyroscopes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.515 Description: Nonsymmetrical gyroscopes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.516 Description: Gyroscopes on moving base Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.517 Description: Gyroscopes on nonmoving base Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.518 Description: Air lifted gyroscopes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.52 Description: Gyroscopes on gimbals, on Cardan rings Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.522 Description: Deflection of gyroscopes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.524 Description: Gyroscopes with flexible shafts Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.53 Description: Gyrostats Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.532 Description: With liquid-filled cavities Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.55 Description: Gyroscopic systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.552 Description: Vertical gyroscopes. Gyrohorizons Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.553 Description: Girocompasses Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.555 Description: Gyroscopic stabilizers Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.559 Description: Other gyroscopic systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.7 Description: Impact. Impact theory Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.72 Description: Impact of a particle and spheres Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.73 Description: Impact of a free solid Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.74 Description: Impact of a nonfree solid Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.742 Description: With a fixed point Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.743 Description: With a fixed axis Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.124.76 Description: Impact in mechanical systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.13 Description: Stability of mechanical systems. Stability theory Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.13-142.2 Description: Analytical methods Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.13-142.23 Description: First Lyapounoff method Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.13-142.24 Description: Second Lyapounoff method. Direct Lyapounoff method Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.13-142.25 Description: First-approximation stability Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.13-142.26 Description: Critical cases of stability Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.132 Description: Stability and stabilization of equilibrium Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.132.8 Description: Bifurcations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.133 Description: Stability and stabilization of motion Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.133.1 Description: Criteria of stability and instability Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.133.12 Description: Algebraic Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.133.13 Description: Geometric Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.133.2 Description: Asymptotic stability Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.133.3 Description: Absolute stability. Stability in the whole Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.133.4 Description: Stability on finite intervals of time Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.133.5 Description: Stability under stochastic disturbances Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.133.6 Description: Stability of vibrations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.133.7 Description: Stabilization of motion Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.133.8 Description: Bifurcations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.14 Description: Vibrations of mechanical systems. Theory of oscillations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.14-533 Description: Excitation of vibrations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.14-536 Description: Damping of vibrations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.142 Description: Linear vibrations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.142.2 Description: Free vibrations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.142.3 Description: Forced vibrations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.142.5 Description: Random, stochastic vibrations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.143 Description: Nonlinear vibrations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.144 Description: Auto-oscillations. Resonance Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.144.2 Description: Resonance vibrations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.144.3 Description: Parametric resonance Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.146 Description: Vibro-impact Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.146.2 Description: One-mass systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.146.3 Description: Two-mass systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.146.5 Description: Multi-mass systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.15 Description: Control of mechanical systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.152 Description: Linear control systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.152.2 Description: Servo systems. Follow-up systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.152.3 Description: Variable-parameter systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.152.4 Description: Systems with delay Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.152.5 Description: Systems under random disturbances Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.152.7 Description: Transfer functions and frequency characteristics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.153 Description: Nonlinear control systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.153.2 Description: Relay systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.153.3 Description: Impulsive systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.153.4 Description: Systems with delay Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.153.5 Description: Systems under random disturbances Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.153.6 Description: Correction systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.153.7 Description: Characteristics of nonlinear elements Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.154 Description: Optimum control systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.154.1 Description: Optimum criteria Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.154.2 Description: Optimization of parameters of mechanical systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.154.3 Description: Optimum control of motion in mechanical systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.154.4 Description: Optimum control in continuum mechanics (general problems) Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.154.6 Description: Differential games of dynamics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.16 Description: Mechanics of space flight Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.162 Description: Trajectories and orbits of artificial cosmic bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.162.2 Description: Optimum Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.162.3 Description: To the Moon Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.162.4 Description: To planets of the Solar system Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.162.42 Description: To Mercury Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.162.43 Description: To Venus Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.162.44 Description: To Mars Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.162.45 Description: To Jupiter Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.162.46 Description: To Saturn Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.162.47 Description: To Uranus Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.162.48 Description: Interplanetary Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.162.49 Description: To other planets and their satellites Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.162.5 Description: To the Sun Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.162.6 Description: To comets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.162.7 Description: To asteroids Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.162.8 Description: To beyond the Solar System Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.163 Description: Dynamics of artificial cosmic bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.163.3 Description: Rotation of artificial cosmic bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.163.4 Description: Vibrations of artificial cosmic bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.163.5 Description: Interorbital transfer Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.163.6 Description: Rendezvous on orbits Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.164 Description: Stability and control Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.164.2 Description: Stability of orbits Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.164.3 Description: Motion stability about mass centre Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.164.4 Description: Orientation systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.164.42 Description: Optimum control Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.164.422 Description: Active Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.164.424 Description: Passive Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.164.5 Description: Control and guidance systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.164.54 Description: Optimum control Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.164.55 Description: Pursuit and interception Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.164.57 Description: Deflection from rendezvous Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.164.6 Description: Stabilization Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.17 Description: Theory of mechanisms and machines Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.17-223 Description: Planar mechanisms Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.17-225 Description: Spatial mechanisms Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.172 Description: Kinematics. Kinematic synthesis Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.172.2 Description: Linkages Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.172.3 Description: Cam mechanisms Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.172.4 Description: Drives Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.172.6 Description: Hydraulic and pneumatic mechanisms and machines Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.172.9 Description: Other mechanisms and machines Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.173 Description: Statics. Kinetostatics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.174 Description: Dynamics. Dynamic synthesis Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.176 Description: Theory of automatic machines. Synthesis and control of automatic machines Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.176.2 Description: Robots Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.176.4 Description: Manipulators Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.176.9 Description: Other automatic machines Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.18 Description: Mechanical quantities. Measurements. Instrumentation. Units of measurement Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.182 Description: Of mass and density Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.182.2 Description: Measurement techniques Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.182.3 Description: Instrumentation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.182.5 Description: Units of measurement Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.183 Description: Of velocity and acceleration Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.183.2 Description: Measurement techniques Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.183.3 Description: Instrumentation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.183.5 Description: Units of measurement Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.184 Description: Of forces Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.184.2 Description: Measurement techniques Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.184.3 Description: Instrumentation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.184.5 Description: Units of measurement Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.185 Description: Of work and power Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.185.2 Description: Measurement techniques Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.185.3 Description: Instrumentation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.185.5 Description: Units of measurement Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.189 Description: Other mechanical quantities Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.2 Description: Continuum mechanics in general. Fundamentals and principles of continuum mechanics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.21 Description: Variational principles of continuum mechanics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.22 Description: Kinematics of deformable continua Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.24 Description: Dynamics of deformable continua Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.25 Description: Models of continuum mechanics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3 Description: Fluid mechanics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-1 Description: General description Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-11 Description: Definitions. Main laws Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-111 Description: Main definitions Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-114 Description: Laws of motion Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-12 Description: Basic equations. Boundary and initial conditions Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-124 Description: Motion equations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-124.2 Description: Eulerian variables Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-124.3 Description: Lagrangian variables Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-125 Description: Equation of continuity Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-142.4 Description: Dimensional method. Theory of similarity. Laws of similarity Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-142.42 Description: Characteristic numbers (Mach, Reynolds etc.) Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-142.44 Description: Self-similarity Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-144 Description: Analogies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-144.2 Description: Hydraulic analogy Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-144.4 Description: Electrical analogy Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-144.9 Description: Other analogies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-2 Description: Flow parameters Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-22 Description: One-dimensional flow. Two-dimensional flow. Three-dimensional flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-222 Description: One-dimensional flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-222.2 Description: Plane symmetry Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-222.4 Description: Cylindrical symmetry Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-222.6 Description: Spherical symmetry Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-223 Description: Two-dimensional flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-223.2 Description: Plane Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-223.4 Description: Axisymmetric Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-223.6 Description: Conical Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-225 Description: Three-dimensional flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-24 Description: Time parameter Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-242 Description: Nonsteady flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-242.2 Description: Periodic Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-242.3 Description: Oscillatory. Vibratory Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-242.32 Description: Self-excited Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-242.34 Description: Standing Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-243 Description: Steady flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-245 Description: Quasi-steady flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-25 Description: Subsonic flow. Near-sonic flow. Supersonic flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-252 Description: Subsonic flow without compressibility effect Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-253 Description: Subsonic flow with compressibility effect Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-254 Description: Near-sonic, transonic flow (0,8 ó M 1,3) Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-255 Description: Supersonic flow (1,3 ó M 5) Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-257 Description: Hypersonic flow (M ò 5) Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-3 Description: Properties and models of fluids, media. Structure of media Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-32 Description: Ideal and viscous fluids Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-322 Description: Ideal, nonviscous fluid Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-324 Description: Viscous fluid Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-325 Description: Low viscous fluid Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-33 Description: Real fluid Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-34 Description: Homogeneous and nonhomogeneous fluids Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-342 Description: Homogeneous fluid Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-344 Description: Nonhomogeneous fluid Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-344.2 Description: Stratified Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-4 Description: Special conditions imposed on flows or bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-42 Description: Gravitation. Weightlessness Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-422 Description: Gravitation. Influence of gravitation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-424 Description: Weightlessness. Influence of weightlessness Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-426 Description: Microgravitation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-43 Description: Mass forces Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-44 Description: Special conditions on fluid surfaces, on interfaces Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-442 Description: Surface tension. Influence of surface tension Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-45 Description: Rotation of fluid or bodies. Influence of rotation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-46 Description: Noise, acoustic disturbances. Influence of acoustic disturbances Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-48 Description: Blowing. Influence of blowing Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-482 Description: Normal Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-484 Description: Tangential Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-486 Description: Oblique Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-5 Description: Properties and models of flow. Processes in flow. Development stages of flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-52 Description: Properties and models of flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-522 Description: Potential and vortex flows Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-522.2 Description: Potential, vortex-free flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-522.4 Description: Vortex, rotational flow. Vortices Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-522.42 Description: Vortex formation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-522.43 Description: Vortex rise and break-up Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-522.44 Description: Vortex separation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-522.45 Description: Vortex suction Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-522.46 Description: Vortex types Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-522.462 Description: Vortex streets. Karman streets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-522.463 Description: Vortex lines Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-522.465 Description: Vortex rings Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-522.469 Description: Other types of vortex Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-523 Description: Laminar and turbulent flows Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-523.2 Description: Laminar flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-523.22 Description: Small Reynolds number Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-523.222 Description: Stokes flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-523.223 Description: Ozeen approximation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-523.23 Description: Couette flow. Poiseuille flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-523.25 Description: Secondary flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-523.4 Description: Turbulent flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-523.43 Description: Stabilized flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-523.45 Description: Secondary flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-524 Description: Isentropic and nonisentropic flows Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-524.2 Description: Isentropic flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-524.4 Description: Nonisentropic flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-525 Description: Adiabatic and nonadiabatic flows Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-525.2 Description: Adiabatic flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-525.4 Description: Nonadiabatic flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-526 Description: Uniform and nonuniform flows Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-526.2 Description: Uniform flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-526.4 Description: Nonuniform flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-527 Description: Shear flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-53 Description: Processes in flow. Properties of flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-532 Description: Interaction of flow or bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-533 Description: Formation, generation of flow or flow phenomena Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-536 Description: Damping of flow or flow phenomena Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-537 Description: Stability of flow or flow phenomena Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-537.5 Description: Bifurcations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-538 Description: Flow separation. Flow suction. Flow reattachment Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-538.2 Description: Flow separation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-538.4 Description: Flow suction Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-538.6 Description: Flow reattachment Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-7 Description: Hydroaerodynamic forces Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-72 Description: Lift Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-73 Description: Hydroaerodynamic resistance Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-732 Description: Drag Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-733 Description: Wave drag Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-733.2 Description: Minimum Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-736 Description: Base pressure Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-738 Description: Pressure losses Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.3-74 Description: Drag reduction Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.31 Description: Hydroaerostatics. Flow kinematics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.312 Description: Statics. Hydrostatic pressure. Equilibrium Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.312.2 Description: Equilibrium equation. Equilibrium condition Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.312.4 Description: Equilibrium of liquids and gases Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.312.42 Description: Free surface equilibrium Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.312.43 Description: Equilibrium of several superposed liquids Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.312.45 Description: Communicating vessels Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.312.5 Description: Equilibrium figures Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.312.6 Description: Equilibrium of immersed and floating bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.312.62 Description: In liquid Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.312.63 Description: On surface of liquid Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.313 Description: Flow kinematics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.32 Description: Hydrodynamics. Incompressible flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322 Description: Flow around bodies. Motion of bodies in fluid. External problem Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.02 Description: Slender body. Thin body Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.04 Description: Ducted body. Body with cavities Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.06 Description: Angle of attack Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.062 Description: High Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.064 Description: Low Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.2 Description: Flow around bodies, walls and gas bubbles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.22 Description: Bodies of rectilinear contours, generating lines. Plane and polyhedral bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.222 Description: Corners Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.222.2 Description: Sharp Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.222.4 Description: Concave Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.223 Description: Plates Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.223.2 Description: Right-angled plates Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.223.4 Description: Discs Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.224 Description: Wedges Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.225 Description: Cones Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.226 Description: Walls Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.227 Description: Prisms Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.227.2 Description: Parallelepipeds Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.229 Description: Other bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.23 Description: Bodies of smooth contours, bodies of good streamline shapes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.232 Description: Airfoils Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.232.4 Description: Symmetrical Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.232.6 Description: Asymmetrical Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.233 Description: Oblong bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.239 Description: Other bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.24 Description: Bodies of circular, spherical or similar shapes. Rotation bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.242 Description: Circles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.243 Description: Ellipses Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.244 Description: Spheres Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.245 Description: Ellipsoids Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.246 Description: Cylinders Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.249 Description: Other bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.25 Description: Bodies of arbitrary or special shapes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.252 Description: Bodies of arbitrary shapes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.253 Description: Bundled tubes, pipes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.254 Description: Ribbed surfaces Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.256 Description: Wavy walls. Corrugated walls Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.259 Description: Other bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.26 Description: Profiles in cascade. Bodies in cascade Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.262 Description: Two bodies in cascade Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.263 Description: Many bodies in cascade Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.27 Description: Gas bubbles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.3 Description: Motion of bodies in fluid Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.32 Description: In unbounded fluid Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.33 Description: Under free surfaces Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.332 Description: Hydrofoils Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.35 Description: In finite depth fluid Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.36 Description: On surface of fluid Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.37 Description: Apparent, virtual mass Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.4 Description: Entry/exit of bodies into/out of fluid with free surface Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.42 Description: Entry into fluid Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.422 Description: Impact on fluid surface Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.322.43 Description: Exit out of fluid Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323 Description: Flow in bounded space. Internal problem Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.2 Description: Flow in ducts, tubes, pipes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.22 Description: Rectangular sections Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.23 Description: Circular or similar sections Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.232 Description: Annular sections Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.24 Description: Complex sections Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.25 Description: Curved pipes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.26 Description: Porous pipes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.27 Description: Entrance region Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.28 Description: Flow around bodies in pipes, in ducts. Motion of pistons in pipes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.4 Description: Flow in vessels, cavities Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.42 Description: Rectangular shapes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.43 Description: Circular, spherical shapes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.432 Description: Annular shapes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.44 Description: Complex shapes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.6 Description: Flow between rigid surfaces, bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.62 Description: Flow between plates Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.63 Description: Flow between cylinders Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.632 Description: Coaxial Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.633 Description: Noncoaxial Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.65 Description: Flow between spheres Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.652 Description: Coaxial Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.653 Description: Noncoaxial Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.323.69 Description: Flow between other rigid surfaces, bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.324 Description: Layer flows. Fluid films Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.324.2 Description: Layers of arbitrary thickness Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.324.22 Description: Horizontal Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.324.24 Description: Vertical Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.324.3 Description: Thin layers. Thin films Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.324.32 Description: Thin films on rigid surfaces, bodies. Surface films Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.324.33 Description: Thin films on free surfaces Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.326 Description: Flow with free surfaces. Jets around bodies. Jets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.326.2 Description: Flow with free surfaces Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.326.3 Description: Jets around bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.326.32 Description: Impact of jets on bodies, surfaces Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.326.322 Description: Gliding Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.326.5 Description: Fluid jets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.326.51 Description: Submerged jets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.326.52 Description: Jets in coflow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.326.522 Description: Mixing of jets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.326.53 Description: Jets in crossflow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.326.54 Description: Jets in opposite flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.326.55 Description: Impinging jets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.326.56 Description: Wake behind bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.326.562 Description: Near Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.326.564 Description: Far Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.326.57 Description: Swirling jets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.326.58 Description: Wall jets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327 Description: Waves in fluid Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327-172 Description: Waves of small amplitude Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327-173 Description: Waves of finite amplitude Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327-174 Description: Shallow water wave theory Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327-532 Description: Interaction Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327-532.2 Description: Waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327-532.3 Description: Bodies. Obstacles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327-532.32 Description: Ship waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327-532.34 Description: Beaches Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327-532.35 Description: Breakwaters. Walls Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327-532.6 Description: Currents Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327-533 Description: Wave generation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327-536 Description: Wave damping Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327.1 Description: Wave propagation in quiet or uniformly moving fluid Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327.12 Description: Progressive waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327.13 Description: Solitary waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327.14 Description: Long waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327.15 Description: Capillary waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327.18 Description: Wave energy Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327.2 Description: Rossby waves. Planetary waves. Waves in rotating fluids Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327.3 Description: Internal waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327.5 Description: Waves in basins, water reservoirs, canals Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327.52 Description: Finite depth Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327.54 Description: Varying depth Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327.55 Description: Slope bottom Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327.56 Description: Standing waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327.6 Description: Tidal waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327.7 Description: Wind waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327.8 Description: Waves induced by seismic processes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327.82 Description: Tsunamis Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.327.84 Description: Microseisms Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.33 Description: Gas dynamics. Aerodynamics. Compressible flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.33-137 Description: Variational problems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.33-137.2 Description: Optimum bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332 Description: Flow around bodies. Motion of bodies in gas. External problem Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.02 Description: Slender body. Thin body Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.03 Description: Sharp-edged body Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.04 Description: Blunt body Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.06 Description: Ducted body. Body with cavities Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.2 Description: Flow around bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.22 Description: Bodies of rectilinear contours, generating lines Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.222 Description: Corners Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.222.2 Description: Sharp Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.222.4 Description: Concave Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.223 Description: Plates Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.224 Description: Wedges Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.225 Description: Cones Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.229 Description: Other bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.23 Description: Bodies of smooth contours. Bodies of good streamline shapes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.232 Description: Airfoils Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.232.2 Description: Symmetrical Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.232.4 Description: Asymmetrical Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.233 Description: Oblong bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.236 Description: Bodies of n-power shapes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.239 Description: Other bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.24 Description: Bodies of circular, spherical or similar shapes. Rotation bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.242 Description: Circles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.243 Description: Ellipses Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.244 Description: Spheres Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.246 Description: Cylindrical bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.246.2 Description: Cylinders Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.246.4 Description: Cone-cylinders Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.25 Description: Bodies of arbitrary or special shapes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.252 Description: Bodies of arbitrary shapes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.253 Description: Bundled tubes, pipes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.254 Description: Ribbed surfaces Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.256 Description: Star-shaped bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.259 Description: Other bodies of special shapes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.26 Description: Profiles in cascade. Bodies in cascade Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.262 Description: Two bodies in cascade Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.263 Description: Many bodies in cascade Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.332.3 Description: Motion of bodies in gas Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.333 Description: Flow in bounded space. Internal problem Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.333.2 Description: Flow in ducts, tubes, pipes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.333.28 Description: Flow around bodies in pipes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.333.4 Description: Flow in vessels Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.336 Description: Jets around bodies. Jets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.336.3 Description: Jets around bodies. Jet separation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.336.32 Description: Impact of jets on bodies, surfaces Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.336.5 Description: Gas jets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337 Description: Shock waves. Explosion Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337-38 Description: Structure of shock waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337-528 Description: Directed explosion Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337-532 Description: Interaction Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337-532.2 Description: Shock waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337-532.3 Description: Rigid boundaries Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337-532.32 Description: Mach reflection Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337-532.33 Description: Regular reflection Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337-532.4 Description: Interfaces Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337-532.5 Description: Expansion waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337-532.7 Description: Burning zones Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337-533 Description: Shock wave generation. Explosion generation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337-537 Description: Shock wave stability Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337.1 Description: Shock wave propagation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337.12 Description: Strong shock waves. Strong explosions. Blast waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337.13 Description: Weak shock waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337.14 Description: Curved shock waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337.15 Description: Attached shock waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337.152 Description: Flow past shock wave Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337.16 Description: Converging shock waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337.5 Description: Shock waves, explosions in specific media Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337.52 Description: In gases Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337.522 Description: In atmosphere Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337.529 Description: In other gases Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337.53 Description: In liquids Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337.532 Description: In water. Underwater explosion Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337.539 Description: In other liquids Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337.54 Description: Explosion of explosives and solid fuels Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337.55 Description: Thermal explosion Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.337.57 Description: Explosion at hypervelocity impact Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.34 Description: Boundary layer Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.34-532 Description: Interaction Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.34-532.4 Description: Ideal external flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.34-532.42 Description: Weak interaction Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.34-532.44 Description: Strong interaction Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.34-532.7 Description: Shock waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.34-537 Description: Boundary layer stability and transition Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.34-537.1 Description: Boundary layer stability Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.34-537.3 Description: Transition from laminar to turbulent boundary layer Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.34-537.5 Description: Transition from turbulent to laminar boundary layer Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.342 Description: Intact boundary layer Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.343 Description: Boundary layer separation. Boundary layer reattachment Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.343.2 Description: Separation region Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.343.4 Description: Reattachment region Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.343.5 Description: High order approximation (effect of curvature, vorticity, displacement etc.) Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.343.7 Description: Jet flows Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.346 Description: Boundary layer with heat and mass transfer Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.346.2 Description: Boundary layer with heat transfer Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.346.4 Description: Boundary layer with mass transfer Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.347 Description: Boundary layer control Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.347.2 Description: Suction of boundary layer Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.347.3 Description: Injection, blowing of boundary layer Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.347.32 Description: Normal injection Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.347.34 Description: Tangential injection Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.347.36 Description: Oblique injection Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.347.4 Description: Boundary layer control by moving surface Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.347.5 Description: Boundary layer control by compliant surface Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.347.7 Description: Artificial laminarization of boundary layer Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.347.72 Description: Laminarization by suction Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.347.74 Description: Laminarization by cooling (air) Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.347.76 Description: Laminarization by heating (water) Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.347.9 Description: Other kinds of control Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.35 Description: Turbulence Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.35-533 Description: Turbulence generation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.35-536 Description: Turbulence damping Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.35-537 Description: Turbulence stability Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.352 Description: Statistical theory Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.352.2 Description: Isotropic homogeneous turbulence Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.352.22 Description: Power spectrum Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.352.4 Description: Local isotropic turbulence Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.352.42 Description: Power spectrum Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.353 Description: Semi-empirical theories Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.353.2 Description: Mixing-length and eddy-viscosity theories Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.353.4 Description: Theories for one point second-order moments etc Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.353.6 Description: Semiempirical calculations of flow parameters Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.353.62 Description: Wall turbulence Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.353.64 Description: Free turbulence Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.353.66 Description: Turbulence in reverse flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.358 Description: Experiments Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.358.2 Description: Turbulent flow pulsations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.358.22 Description: Velocity pulsation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.358.24 Description: Temperature pulsations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.358.26 Description: Pressure pulsations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.358.3 Description: Statistical characteristics of turbulent flow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.358.32 Description: One point first and second order moments Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.358.33 Description: Space-time spectra and correlations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.358.35 Description: Coherent structures Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.36 Description: Heat and mass transfer in fluids Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.362 Description: Convection Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.362.2 Description: Free convection Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.362.22 Description: Free convection near bodies, walls Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.362.223 Description: Vertical Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.362.224 Description: Horizontal Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.362.225 Description: Inclined Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.362.23 Description: Free convection in ducts, pipes, tubes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.362.24 Description: Free convection in vessels, cavities Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.362.25 Description: Free convection in fluid layers Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.362.4 Description: Free convection together with forced convection. Mixed convection Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.363 Description: Heat and mass transfer in flows Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.363.2 Description: Convective heat and mass transfer Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.363.3 Description: Radiative heat and mass transfer Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.363.4 Description: Convective-radiative heat and mass transfer Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.363.5 Description: Cooling Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.363.52 Description: Film cooling Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.363.54 Description: Sweat cooling Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.363.6 Description: Heat transfer intensification Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.363.7 Description: Heat and mass transfer between media and particles or bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.363.72 Description: Between media and bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.363.73 Description: Between medium and rigid or fluid particle Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.363.75 Description: Between medium and gas bubble Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.364 Description: Heat and mass transfer with phase transition Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.364.2 Description: Melting and solidification Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.364.22 Description: Melting Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.364.24 Description: Solidification Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.364.3 Description: Freezing and thawing Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.364.32 Description: Freezing Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.364.34 Description: Thawing Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.364.4 Description: Boiling Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.364.42 Description: Film boiling Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.364.44 Description: Bubble boiling Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.364.442 Description: Bubble rise Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.364.46 Description: Boiling on thin wire Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.364.5 Description: Evaporation and condensation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.364.52 Description: Evaporation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.364.54 Description: Condensation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.364.56 Description: Heat tubes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.364.6 Description: Crystallization Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.364.7 Description: Sublimation. Drying Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.364.8 Description: Ablation Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.37 Description: Applied hydroaerodynamics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372 Description: Applied hydrodynamics. Hydraulics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372-738 Description: Pressure losses Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372-738.2 Description: Linear Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372-738.4 Description: Local Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.2 Description: Pipelines Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.22 Description: Simple pipelines. Pipes. Tubes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.222 Description: Rectilinear pipes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.222.2 Description: Pipes of constant cross-section Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.222.22 Description: Of circular cross-section Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.222.23 Description: Of curvilinear (non-circular) cross-section Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.222.24 Description: Of polygonal cross-section Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.222.26 Description: Of annular cross-section Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.222.3 Description: Pipes of variable cross-section Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.223 Description: Curved pipes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.223.2 Description: Pipes with circular axis Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.223.3 Description: Pipes with helical axis Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.225 Description: Deformable pipes. Hoses Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.227 Description: Moving pipes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.23 Description: Complex pipelines. Hydraulic networks Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.24 Description: Water hammer. Surge tanks Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.242 Description: Water hammer without separation of liquid column Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.243 Description: Water hammer with separation of liquid column Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.245 Description: Surge tanks Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.247 Description: Measures for damping water hammer Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.27 Description: Pipeline fittings Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.3 Description: Open channels and reservoirs Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.32 Description: Undeformable, unerodible channels Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.322 Description: Rectilinear channels Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.322.2 Description: Prismatic (cylindrical) channels Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.322.22 Description: Of curvilinear cross-section Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.322.24 Description: Of polygonal cross-section Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.322.27 Description: Of complex cross-section of the type of main section with flood plain Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.322.3 Description: Variable cross-section channels Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.322.32 Description: Diverging channels Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.322.33 Description: Converging channels Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.322.35 Description: Channels with sharp changes of cross-section Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.322.5 Description: Channels with variable bed slope Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.322.52 Description: Continuously variable bed slope Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.322.53 Description: Bed line with angular points Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.322.55 Description: Bed line with jumps and local disturbances Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.323 Description: Curvilinear channels. Channels with bends Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.323.2 Description: Channels with single bend Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.323.22 Description: With circular bend Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.323.55 Description: Channels with alternating bends Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.33 Description: Deformable, erodible channels. River bed evolution Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.332 Description: General channel deformations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.333 Description: Bed shape Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.333.2 Description: Sand waves Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.335 Description: Longitudinal sediment transport Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.337 Description: Local scour Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.338 Description: Control (regulation) of deformations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.34 Description: Natural streams. Rivers Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.36 Description: Mixing in channels and reservoirs Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.362 Description: Mixing of fluids (admixtures) of equal specific weight Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.363 Description: Mixing of fluids (admixtures) of unequal specific weight Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.363.4 Description: Mixing of fresh and salty waters Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.365 Description: Thermal mixing Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.4 Description: Liquid jets and outflow of liquids Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.4-532 Description: Interaction Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.4-532.2 Description: Jets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.4-532.3 Description: Obstacles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.42 Description: Free jets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.43 Description: Jets in liquids Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.431 Description: Submerged jets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.433 Description: Buoyant jets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.45 Description: Outflow of liquids from orifices Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.452 Description: Free outflow Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.453 Description: Submerged outflow. Outflow from under gates Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.46 Description: Outflow through weirs Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.462 Description: Through thin wall weirs Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.462.5 Description: Through proportional weirs Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.463 Description: Through broad-crested weirs Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.464 Description: Through weirs of practical profiles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.5 Description: Pressure and combined hydraulic systems Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.52 Description: Fluidics. Hydroamplifiers Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.53 Description: Hydraulic systems of water supply and sewerage Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.54 Description: Hydraulic systems of mechanical engineering Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.545 Description: Hydraulic gears Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.55 Description: Hydraulic systems of chemical engineering Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.6 Description: Hydraulic machines and mechanisms Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.62 Description: Cascades Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.622 Description: Axial cascades Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.623 Description: Radial cascades Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.629 Description: Other cascades Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.63 Description: Water turbines Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.65 Description: Pumps Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.67 Description: Cyclones Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.69 Description: Other hydraulic machines and mechanisms Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.7 Description: Hydraulic structures Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.72 Description: Weirs and spillways. Tail water Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.73 Description: Water-retaining structures and water intakes. Structures for hydroelectric generating stations Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.74 Description: River structures Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.75 Description: Sea and coastal structures Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.76 Description: Industrial and agricultural structures Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.78 Description: Mechanical equipment of hydraulic structures Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.372.8 Description: Ship hydrodynamics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373 Description: Applied aerodynamics. Applied gas dynamics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2 Description: Aerodynamics of flying machines Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-532 Description: Interaction between parts of the flying machine. Ground, deck or water effect Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-532.3 Description: Bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-532.4 Description: Tails, vertical and horizontal Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-532.5 Description: Multiplanes. Cascades Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-532.6 Description: Jets. Exhausts Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-532.7 Description: Airscrews. Propellers. Rotors Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-532.8 Description: Ground effect. Deck effect. Water effect Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-537 Description: Stability and control Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-537.2 Description: Stability in pitch. Longitudinal stability Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-537.4 Description: Stability in roll. Lateral stability Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-537.6 Description: Stability in sideslip. Directional stability Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-537.7 Description: Stability derivatives Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-537.8 Description: Cross-coupling. Inertia coupling Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-538 Description: Aerodynamic heating Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-7 Description: Aerodynamic forces. Aerodynamic resistance. Aerodynamic coefficients Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-72 Description: Lift Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-73 Description: Aerodynamic resistance Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-732 Description: Drag Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-733 Description: Wave drag Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-733.2 Description: Minimum Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-734 Description: Profile drag Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-735 Description: Surface friction drag Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-737 Description: Induced drag Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-74 Description: Drag reduction Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-75 Description: Lateral force. Side force Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-76 Description: Moments Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-762 Description: Pitching moment Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-763 Description: Rolling moment. Heeling moment Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-764 Description: Yawing moment Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-765 Description: Hinge moment Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-77 Description: Thrust Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-8 Description: Aerodynamic tests of flying machines Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-82 Description: Ground tests Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-84 Description: Flight tests Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.2-86 Description: Model tests Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.21 Description: Aerodynamics of wings and control surfaces Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.212 Description: Planform of wings Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.212.2 Description: Swept, delta wings Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.212.3 Description: Rectangular wings Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.212.4 Description: Tapered wings Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.212.5 Description: Annular wings Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.212.6 Description: Circular wings. Semicircular wings Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.212.7 Description: Elliptical wings Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.212.9 Description: Other wings Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.213 Description: Variable planform wings Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.214 Description: Low-aspect ratio wings Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.215 Description: High-lift wings. Jet-flapped wings Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.216 Description: Waving, flapping wings Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.217 Description: Optimal wings Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.218 Description: Control surfaces. High-lift devices Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.218.2 Description: Flaps. Slots. Slats. Spoilers Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.218.3 Description: Ailerons. Elevons Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.218.4 Description: Horizontal tails Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.218.5 Description: Vertical tails Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.218.6 Description: Auxiliary controls Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.218.7 Description: Boundary layer control Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.22 Description: Airscrew, propeller aerodynamics. Rotor aerodynamics Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.222 Description: Airscrews Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.222.2 Description: Single airscrews Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.222.3 Description: Coaxial airscrews. Tandem airscrews Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.223 Description: Airscrew blades Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.224 Description: Ducted airscrews Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.225 Description: Tilting airscrews Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.226 Description: Rotors Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.226.2 Description: Axially driven rotors Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.226.3 Description: Circumferentially driven rotors Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.226.4 Description: Autorotating rotors: driven by the relative wind. Rotochutes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.226.6 Description: Hovering flight Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.226.7 Description: Vertical climbing Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.227 Description: Windmills Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.23 Description: Aerodynamics of aircraft Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.232 Description: Landplanes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.232.2 Description: Monoplanes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.232.3 Description: Biplanes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.232.4 Description: Multiplanes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.232.5 Description: All-wing aircraft Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.232.6 Description: Vertical take-off and landing (VTOL) aircraft. Short take-off and landing (STOL) aircraft Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.232.9 Description: Other landplanes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.233 Description: Seaplanes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.234 Description: Aircraft elements Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.234.3 Description: Bodies. Fuselages Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.234.4 Description: Landing gear Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.234.5 Description: Nacelles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.234.9 Description: Other elements Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.236 Description: Flight regimes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.236.2 Description: Level flight Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.236.3 Description: Turning Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.236.4 Description: Diving Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.236.5 Description: Climbing Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.236.6 Description: Manoeuvring flight. Aerobatic flight. Spin Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.236.7 Description: Flight at high angle of attack. Flight at super-stall Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.237 Description: Take-off. Landing Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.237.2 Description: Take-off Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.237.3 Description: Landing Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.24 Description: Aerodynamics of helicopters and ornithopters Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.244 Description: Helicopter elements Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.244.3 Description: Bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.244.4 Description: Landing gear Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.244.9 Description: Other elements Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.245 Description: Hovering flight Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.246 Description: Flight regimes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.246.2 Description: Vertical flight Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.246.4 Description: Horizontal flight Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.247 Description: Take-off. Landing Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.247.2 Description: Take-off Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.247.3 Description: Landing Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.248 Description: Ornithopters. Aircraft with moving wings Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.25 Description: Aerodynamics of air cushion vehicles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.26 Description: Aerodynamics of lighter-than-air flying machines Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.262 Description: Balloons Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.264 Description: Airships. Dirigibles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.27 Description: Aerodynamics of rockets, missiles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.272 Description: Rockets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.272.2 Description: Winged rockets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.272.3 Description: Wingless rockets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.272.4 Description: Meteorological rockets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.272.5 Description: Space shuttles Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.272.6 Description: Multistage rockets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.272.9 Description: Other rockets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.274 Description: Rocket elements Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.274.3 Description: Bodies Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.274.32 Description: Nose parts Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.274.33 Description: Base parts Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.274.9 Description: Other elements Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.275 Description: Climbing flight Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.276 Description: Re-entry flight. Atmospheric entry. Re-entry trajectories. Atmospheric descent. Landing Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.276.2 Description: On the Earth Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.276.3 Description: On planets Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.28 Description: Aerodynamics of machines for non-powered flight Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.282 Description: Parachutes Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.284 Description: Kites Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.286 Description: Gliders Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.3 Description: Aerodynamics of surface vehicles, civil structures and other objects Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.3-78 Description: Wind loads Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.32 Description: Surface vehicles. Traffic tunnels Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.322 Description: Cars Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.324 Description: Trains Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.326 Description: Traffic tunnels Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.34 Description: Civil structures Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.342 Description: Buildings Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.343 Description: Towers Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.345 Description: Masts. Antennas Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.347 Description: Bridges Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.347.2 Description: Suspension bridges Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.347.4 Description: Fixed bridges Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC Class number: 531.373.347.6 Description: Piers Replaced by: 531/534 Replaced by: Reinstatement 531/534 UDC C