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

Volume 46, Edição 3, 2015, pp. 289-305
DOI: 10.1615/TsAGISciJ.2015014306
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RESUMO

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.

CITADO POR
  1. Boitsov B. V., Gavva L. M., Pugachev Yu. N., The Stress–Strain State of Structurally Anisotropic Panels from Composite Materials under Force and Process Temperature Exposure, Polymer Science, Series D, 12, 1, 2019. Crossref

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