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.
对于加筋板中筋的侧倾失稳，则通过能量法推导加强筋侧倾失稳时的总势能泛函，利用最小势能原理求解出此失稳模式下的临界应力。
In the analysis of the elastic tripping of the stiffener, the critical stress under this mode of failure is derived by using the energy method and the principle of least potential energy.
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.
利用最小势能原理、瑞利-利兹法以及相关的复合材料力学理论，推导出预浸料侧向屈曲半径公式。
The buckling radius was deduced by using the principle of minimum potential energy, Rayleigh-Ritz method and the relevant composite material mechanics.
本文根据结构力学最小势能原理和虚功原理，采用另外一种简便的平差手段——力学平差法来讨论以上问题，并编制了BASIC语言程序。
To treat the problem, the present article offers a simple and convenient way for adjustment—adjustment on mechanical principles accompanied by a BASIC program.
用最小势能原理得到控制微分方程组，采用状态空间法将微分方程化为状态方程。
Utilizing principle of potential energy to obtain governing differential equations, to turn differential equations into state equations by means of state space method.
采用力学中建立最小势能原理和最小余能原理的加权余量法，分别得到了热传导中势能型与余能型的变分原理。
Analogue to variational principles in solid mechanics, variational principles in heat conduction are developed by the method of weighted residuals in this paper.
采用力学中建立最小势能原理和最小余能原理的加权余量法，分别得到了热传导中势能型与余能型的变分原理。
Analogue to variational principles in solid mechanics, variational principles in heat conduction are developed by the method of weighted residuals in this paper.
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