LS-DYNA3D等非线性结构动力响应分析程序的局限性

被引:3
作者
赵隆茂
杨桂通
机构
[1] 太原理工大学
[2] 太原理工大学 太原
[3] 太原
关键词
有限元; 动力响应; 应力修正; 客观性原理; DYNA3D;
D O I
暂无
中图分类号
O327 [结构振动]; O302 [力学中的数学方法];
学科分类号
080101 ; 0701 ;
摘要
通过理论分析和数值算例研究了采用 L S- DYNA3D等非线性动力响应分析有限元程序于具有较大刚体转动的结构时 ,可能出现错误的应力和应变计算结果。主要原因是采用增量形式的应力修正时 ,其客观性被破坏。这是此类工程软件亟待改进的问题之一
引用
收藏
页码:473 / 477
页数:5
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