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- Variational principles play an important role in the formulation of many problems of mathematical physics. 变分原理现在许多数学物理的表述中起着重要作用。
- The applications show that the springback variational principles present a new approach for solving the springback deformation of bar systems. 应用表明,回弹变分原理为求解杆系回弹变形提供了一个新的途径。
- In this paper, some general theorems and variational principles of the boundary value problem for two time instants in nonlinear elastodynamics are developed. 本文给出了非线性弹性动力学两时端边值问题的某些一般定理及变分原理。
- QIAN Weichang.Involutory transformations and variational principles with multi-variables in thin plate bending problems[J].Applied Mathematics and Mechanics,1985,6(1):25-46. [8]钱伟长.;对合变换和薄板弯曲问题的多变量变分原理[J]
- By using the generalized variational principles of thin plate bending problem, a numerical method is proposed for a mixed boundary value problem of circular plate. 利用弹性薄板的广义变分原理和双调和方程的特解序列,提出了一种求解圆板混合边值问题的数值方法。
- Nonlinear electric field transient finite element equation is performed based on the backward Euler method and the Variational principle. 摘要基于后退欧拉法和变分原理推导了非线性电场的暂态有限元方程。
- By using the variational principle, we propose a novel narrowband interference (NBI) suppression scheme. 5.基于求解线性方程的变分原理,提出了一种新的窄带干扰(Narrowband Interference, NBI)抑制方案。
- Motion equations of the shell are derived by equation and the variational principle. 利用功率流的基本定义,研究了当壳体受迫振动时输入结构的功率流和壳体中各内力所携带功率流沿轴向方向传播时的变化规律,旨在为工程中类似结构的减振降噪提供指导性原则。
- Some references indicated that the extremum in the Schrodinger variational principle is a minimum. 已有的一些文献指出,薛定谔变分原理中的极值是极小值。
- From the elasticity variational principle, the governing dynamic differential equations of the geometric non-linear beam with large deflection is deduced. 摘要通过弹性力学变分原理建立了大挠度非线性梁的控制微分方程组。
- On the basis of dual variables variational principle for electromagnetic waveguides, dual edge element is presented in this thesis. 本文基于对偶变量变分原理,参照矢量基有限元的构造,提出了电磁波导的对偶棱边元。
- Then its generalized variational principle is established on the basis of Lagrange multiplier method by absorbing the first kind of boundary condition. 然后利用拉格朗日乘子法,吸收第一类边界条件,从而得出其广义变分原理;
- In this paper the elastic and elastoplastic interal forces of Cable dome strueture are analysed by the energy Variational principle. 本文采用能量变分原理分析拉索穹顶结构的弹性和弹塑性内力。
- This paper gives a smooth variational principle of lower semicontinuous functions which are bounded below on each bounded set. 本文给出了在每个有界子集上有下界的下半连续广义实值函数的一个光滑变分原理.
- Based on the variational principle of potential energy,displacement jump condition which depends only on material strength is derived. 应用势能变分原理导出了位移间断条件,它仅与材料的强度有关。
- Variational Principles in Elasticity 弹性力学变分原理
- complementary variational principles 余变分原理
- Abstract: In this paper, the generalized variational principle of ela stic and plastic problem with finite displacement is derived by means of semi-in verse method. 文摘:利用半反推法,导出了弹塑性有限变形率形式的广义变分原理.
- Meanwhile the corresponding simplified Gurtin-type variational principle is presented by means of modern convolution bilinear forms and classical Cartesian bilinear forms. 然后,采用近代卷积双线性形式和传统笛卡儿双线性形式找到了相应的简化Gurtin型变分原理。
- In this paper, the generalized variational principle of ela stic and plastic problem with finite displacement is derived by means of semi-in verse method. 利用半反推法,导出了弹塑性有限变形率形式的广义变分原理.
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