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《ENGINEERING MECHANICS》 2000-01
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BUCKLING ANALYSIS OF THIN-WALLED MEMBERS IN CONSIDERATION OF SHEAR LAG

XIN Ke-gui, WANG Shu-chun (Tsinghua University, Beijing 100084)  
Based on the displacement variational principle, a general semi-discrete method is developed for buclding analysis of thin-walled members with arbitrary cross section under pure compression and pure bending. A transformed B_3 spline function is used to simulate the warping displacements along the cross section of the thin-walled member. By abandoning the assumption of no shear strain along the central line of the cross section the method takes into account the shear lap effect. A large number of numerical examples demonstrate that the present method is accurate, versatile, efficient as well as reliable.
【Fund】: 北京市自然科学基金;;留学回国人员基金
【CateGory Index】: O343
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