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本文讨论了承受非比例荷载的结构临界荷载计算,导出了有限元分析的修正单元刚度矩阵。本文方法对工程结构设计有实用价值。
This paper discusses critical load calculations for structures subjected to non-proportional loads and derives a modified element stiffness matrix for finite element analysis. This method has practical value for engineering structure design.