应用最小势能原理，建立了折板结构分析的样条子域法。
Applying the principle of minimum total potential energy, the spline subdomain method of folded plate structures is derived.
基于能量法中的最小势能原理，结合欧拉方程建立了构件变形后的中性平衡微分方程。
Based on the minimum potential theory of energy method, adopting Eular equation, the governing differential equations of curved beam were established.
本文讨论了基于最小势能原理的里兹法的收敛性。
The convergence of Ritz method based on the principle of minimum potential energy is discussed.
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