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- dual variational principle 对偶变分方法
- 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。
- From the variational principle for dual variables and combined with the recently developed dual variables FEM, sub-region analysis approach for electromagnetic problem is presented in detail. 从电磁场对偶变量变分原理出发，结合新近开发的电磁对偶元，详细说明了电磁场的子区域分析方法。
- 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。
- 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。
- 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.
- The general variational principle is employed in communicating information between subdomains with Lagrange multipliers, which yields a reduced-order coarse problem. 根据广义变分原理，采用拉格朗日乘子在子区域之间交换信息，并建立其相应的粗问题。
- Based on Hamilton's variational principle,this peper proves that,for a system which is symmetric to some transformation there must be a conservative quantity. 本文从哈密顿变分原理（以下简称哈密顿原理）出发，讨论当一个系统存在某种对称性时，哈密顿原理便可给出此系统存在一个守恒量。
- Based on the displacement variational principle, a new element is developed for buckling analysis of thin-walled members with shear lag effect in the present paper. 根据位移变分原理,本文提出一种纯压或纯弯薄壁杆件稳定分析的新单元。
- The road opened out into a dual carriageway. 这条路已扩展成了复式车行道。
- In order to implement EFG method through computer program, the discrete equation from the variational principle (weak form) and the numerical implementation are described. 再次，论述了无网格伽辽金方法的位移近似函数和权函数，给出了变分方程及离散方程，以及数值求解的实现。
