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The Theory of Aerodynamics: A Survey of some of the Problems Still Awaiting Solution on Mathematical Lines

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Article publication date: 1 April 1929

Abstract

THE equations governing the motion of a viscous fluid were first obtained by Navier more than 100 years ago (“Memoire sur les Lois du Mouvement des Fluides,” Mem. de l'Acad. des Sciences, vi, 389, 1822), and, in spite of their close study by Stokes, Helmholtz, Kelvin, Rayleigh, Lamb, and numerous other mathematicians of great eminence, no complete unrestricted solution for any case of practical importance has yet been discovered. As they stand, the mathematical difficulties presented by the equations have so far been found to be too formidable, and whatever progress has been achieved has been by imposing restrictions on the form of the equations, and therefore serious limitations on the nature of the fluid motion studied. It may be that the mathematical symbolism in the formulation of the problem of viscous fluid flow as usually presented is not that best adapted for its purpose, that it is not as natural a medium of expression as, for example, tensor analysis is for relativity; that, in fact, the essential factors that govern the eddying, for instance, in the wake of a moving body are not presented as governing the structure of the equations.

Citation

Levy, H. (1929), "The Theory of Aerodynamics: A Survey of some of the Problems Still Awaiting Solution on Mathematical Lines", Aircraft Engineering and Aerospace Technology, Vol. 1 No. 4, pp. 121-124. https://doi.org/10.1108/eb029132

Publisher

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MCB UP Ltd

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