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TsAGI Science Journal

ISSN Imprimer: 1948-2590
ISSN En ligne: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2014011137
pages 911-919

TORSION OF PRISMATIC BEAMS COMPOSED OF DIFFERENT MATERIALS

Leonid Leonidovich Teperin
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky str. 1, Zhukovsky, 140180, Russia
Tran Van Hung
Moscow Institute of Physics and Technology, Faculty of Aeromechanics and Flight Engineering, 16 Gagarina Str., Zhukovsky, Moscow Region, 140180, Russia

RÉSUMÉ

A new method for the solution of the Saint-Venant torsion problem for prismatic beams using the hydrodynamic analogy is developed. The torsion stiffness of prismatic beams composed of different materials is predicted. The solution is reduced to determining the intensity of the sources and doublets distributed along the outside contour of the beam and the boundaries between the materials. Examples of the numerical results obtained using the developed method are given.


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