The main content of this thesis is lateral buckling analysis of thin-walled structures with irregular cross section by transformed 63 spline finite member element method.
本文主要分析了具有不规则横截面形状的薄壁结构在横向荷载下的稳定问题。
The simulation detection shows that this algorithm is stable in performance, and can effectively realize the 3d fast reconstruction of irregular cross section of underground tunnel.
仿真测试表明：该算法性能稳定，能够有效实现不规则断面的井下巷道的三维快速重构。
Nonlinear finite element analysis for 3d-frames with special-section columns is presented considering the frame features such as irregular cross-section of the columns.
针对空间异形柱框架具有柱横截面不规则等特点，提出适用于该结构非线性有限元分析的方法。
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