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首页> 外文会议>Third International Conference on Coupled Instabilities in Metal Structures CIMS'2000, 3rd, Sep 21-23, 2000, Lisbon-Portugal >COUPLING BETWEEN LOCAL AND OVERALL BUCKLING USING BEAM ELEMENTS
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COUPLING BETWEEN LOCAL AND OVERALL BUCKLING USING BEAM ELEMENTS

机译：使用梁单元的局部屈曲和整体屈曲之间的耦合

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摘要

A correct modelling of thin-walled members behaviour requires a due account for global lateral buckling, but also for local buckling of the profile walls. In this perspective, a special beam element is developed. The displacement field of this element allows to model any in plane global behaviour (tension, compression, in plane bending, in plane column buckling...) as well as the local buckling of the profile walls. The element is developed for bifurcation analysis (computation of critical loads) as well as for non linear analysis, including coupling between global and local phenomena.
机译：薄壁构件行为的正确建模需要适当考虑整体横向屈曲，而且还需要考虑型材壁的局部屈曲。从这个角度出发，开发了一种特殊的梁元件。该单元的位移场允许对平面整体行为（拉伸，压缩，平面弯曲，平面柱屈曲...）以及轮廓墙的局部屈曲建模。该单元专门用于分叉分析（临界载荷的计算）以及非线性分析，包括全局现象和局部现象之间的耦合。

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