virtual work principle [力] 虚功原理 ; 原理
principle of complementary virtual work 余虚功原理
virtual work rate principle 虚功率增率原理
the principle of virtual work 虚功原理
principle of dynamic virtual work 动态虚功原理
In spite of the very close affinity between the variational theorems and the principle of virtual work the study of the former is worth-while.
尽管变分定理与虚功原理之间有很紧密的相似关系，然而对前者的研究仍然是有价值的。
This paper describes a method based on the generalized principle of virtual work to derive the hybrid model of finite element. An assumed-strain hybrid model was obtained.
本文提出用广义虚功原理的方法建立有限元的杂交模型，并具体导出了一种杂交应变模型。
Stiffness matrix and load vector were founded on developing eigen-equation for wall element and applying principle of virtual work.
通过推导单元特征方程的解及应用虚功原理，建立了墙元的刚度矩阵和荷载向量。
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