STUDY ON THE NONLINEAR BUCKLING IN THIN-WALLED MEMBERS WITH ARBITRARY INITIAL IMPERFECTION

被引：2
|
作者：
CHEN, SL
LI, SF
机构：
[1] Tsinghua University, Department of Civil Engineering
来源：
THIN-WALLED STRUCTURES | 1994年 / 19卷 / 2-4期
关键词：
D O I：
10.1016/0263-8231(94)90033-7
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Nonlinear buckling in thin-walled members is studied. The influence of arbitrary initial imperfections on the behaviour of the members can be taken into consideration. Based on the total Lagrangian description, a nonlinear spline finite strip method for problems of large elastic-plastic deflection is used. The displacement function of a strip is expressed as the product of transverse interpolation polynomials and longitudinal B3-spline. An arbitrary initial deformation is introduced to the analysis of the known shape of the structure. Arbitrary residual stress is treated as the stress field corresponding to the known initial state.
引用
收藏
页码：253 / 268
页数：16
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