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Effect of shear lag on buckling of thin-walled members with any cross-section

โœ Scribed by Wang, Quanfeng

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
120 KB
Volume
15
Category
Article
ISSN
1069-8299

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โœฆ Synopsis

The purpose of this paper is to develop a general method, called the spline ยฎnite member element method, for predicting the eect of shearing strains in the middle surface of the walls on the buckling of thin-walled members with any cross-section because the classical theory of thin-walled members is based on the assumption of no shearing strains and is unable to reยฏect the shear lag phenomenon. A governing energy equation for the buckling has been derived in which the eects of torsion, warping of the member and, especially, the shearing strains in the middle surface of the wall are taken into account. The accuracy of the method is tested based on some available closed-form solutions.

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