1) variable-domain variational principle

变域变分原理
1.
Based on the variable-domain variational principle, we propose a new finite element method in the present paper.
本文从变域变分原理出发,提出了一种新的有限元方法,并将所提算法用于求解形状最优化问题。
2) time-domain variation principle

时域变分原理
1.
Trial function of displacement is assumed considering the practical displacement constraints condition,and integral-variational equation group of the surrounding rock;and its modal matrix is induced by Hamilton time-domain variation principle considering time-domain variation and constraint conditions.
根据实际的位移约束条件,假设位移试函数,利用Hamilton时域变分原理,考虑时域变分条件和约束变分条件导出围岩体的积分–变分方程组,建立该方程组的模态矩阵。
3) variation principle

变分原理
1.
Application of the variation principle for calculating the force-energy parameters of rail rolling by a universal mill;
应用刚塑性体的变分原理求解钢轨万能轧制过程的力能参数
2.
The calculation of critical load of a compressive bar by direct method based on variation principle;
基于变分原理的直接解法求压杆的临界载荷
3.
Relativistic variation principle and dynamical equations of the rotational variable mass system;
转动变质量系统的相对论性变分原理和动力学方程
4) variational principle

变分原理
1.
The variational principles for the analysis of electro-magneto-elastic material;

压电、压磁耦合弹性介质材料的变分原理
2.
A study of model analysis of anti deformation building based on generalized variational principle;
基于广义变分原理的抗变形房屋模型分析研究
3.
Variational principles and generalized variational principles on flow theory of plasticity;
塑性增量理论的变分原理和广义变分原理
5) variational principles

变分原理
1.
Analogue to variational principles in solid mechanics, variational principles in heat con-duction 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。
2.
By such technique the time derivative term in the coupled heat conduction equation is eliminated, so that the semi inverse method of eatablishing generalized variational principles proposed by He can.
应用半反推法及动态差分变换和初终值条件的新处理法 ,建立了各向异性线性材料大变形耦合热弹性动力学的经典型 (即不含卷积的非 Gurtin型 )统一变分原理族 ,从而为应用有限元法求解奠定了理论基础 。
补充资料:Владимиров变分原理
Владимиров变分原理
Vladimirov variational principle
B几a八,M“po。变分原理【Vla成m初ov var抽6倒目画州沙;助a及“M“poBa .aP“a”“OHH“曲nP“H”Hn} 对平稳单速齐次输运方程(见输运方程,数值方法(tmnsport eqUation,nurr犯ncal服thed))(。,v*)+:(、)*一*丁。(;,。。)*(。,,、)、。,, }。‘!一,(l) 拜。二(豆‘,豆),带边界条件 沙{,。r=o,(几,万)
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