Energy variation principle is a good method to solve the shear lag effect.
能量变分法是求解剪力滞问题的一个有效方法。
Based on energy variation principle, the nonlinear control equations of elastics plate on (two-parameter) foundation including the coupled effect of the foundation are derived in this paper.
基于能量变分原理，考虑地基耦合效应，建立了双参数地基上弹性板的非线性静力平衡方程。
With the principle of work and power, as well as Poynting vector, the reasons for the energy variation in the process of connecting capacitances in parallel are analyzed and discussed.
本文用功能关系和坡印亭矢量分析和讨论了电容器并联过程中能量的变化原因。
With the principle of work and power, as well as Poynting vector, the reasons for the energy variation in the process of connecting capacitances in parallel are analyzed and discussed.
本文用功能关系和坡印亭矢量分析和讨论了电容器并联过程中能量的变化原因。
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