“element stress-displacement matrix”的概念、定义、翻译、参考文献-科学参考

单词	element stress-displacement matrix
释义	element stress-displacement matrix Encyclopedia 理学单元有限元方程释 element stress-displacement matrix单元应力矩阵在结构动力学的有限元法中描述单元区域内任一点应力与节点位移之间关系的矩阵，又称单元应力-位移关系矩阵。记作。
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