... virtual work 虚功 virtual work principle 虚功原理 Castigliano first theorem 卡氏第一定理 ...
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常用的方法有：Lagrange法、Newton-Euler法、虚功原理(virtual work principle)法、d'Alembert原理、高斯(Gauss)法、Kane法、影响系数(influence coefficient)法和罗伯逊- 魏登堡(Roberson-Wittenburg)法等。
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Complementary virtual work principle and quasi-complementary energy principle in elasticity are deduced. Another expression for quasi-complementary energy principle is given.
推导了弹性力学非保守系统余虚功原理、拟余能原理,介绍了拟余能原理的另一种表达形式。
参考来源 - 非保守系统的拟变分原理及其应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The governing equations of the raft are obtained based on the thin plate theory and the virtual work principle.
筏板的控制方程由薄板理论和虚位移原理得到。
The precise formula of node force fitted second order distributed load is developed sing virtual work principle.
使用虚功原理和位移线性插值推导了满足二次分布力作用的精确节点力分配公式。
In this paper, an analytical model is firstly set up using virtual work principle, an empirical model is then given.
本文首先采用虚功原理建立了反作用轮的扰动解析模型，然后给出了反作用轮的实验模型。
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