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TsAGI Science Journal

ISSN Печать: 1948-2590
ISSN Онлайн: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2015014306
pages 289-305

SOME ASPECTS OF MODELING A HIGH-ASPECT-RATIO COMPOSITE WING-BOX BY AN ANISOTROPIC BEAM

Sergei Aleksandrovich Tuktarov
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russia
Vasilii Vasil'evich Chedrik
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky St. 1, Zhukovsky 140180, Russia

Краткое описание

Two analytical approaches to modeling a high-aspect-ratio composite wing-box by an anisotropic beam with and without the restraint of strains in the cross section are presented. Finite-element models corresponding to these methods are constructed. The results of the analytical and numerical models for a test example of a wing-box are compared. The influence of anisotropy on the stiffness characteristics of the wing-box structure under bending and torsion is studied. The stress−strain state and the strength of the wing panel under tensile and compressive loading are investigated.


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