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- discrete variational principle 离散变分原理
- 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。
- The electronic structure of the bcc Fe (001)edge dislocation core is investigated using the first principles discrete variational method(DVM). 本文用密度泛函理论框架下的离散变分方法 (DVM)研究了bccFe[10 0 ](0 0 1)刃型位错体系的电子结构 ,给出了结合能、原子间相互作用能以及电荷转移信息。
- Electronic structures of (TATB)n(n = 1-4) and the interactions among TATB molecules are studied by density function and discrete variational (DFT-DVM) method. 用离散变分密度泛函方法(DFT-DVM)研究了(TATB)n,n=1-4的电子结构,讨论了TATB分子之间的相互用。
- The chemisorption of Ce, Sm and Yb on Si(lll) surface are studied by calculation with local density formalism (LDF) and discrete variational method (DVM). 本文对几种稀土元素(铈、钐、镱)在硅表面的化学吸附进行了理论计算。
- 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。
- The electronic structure of a Lindqvist type [Mo 7O 24 ] 6 anion with 5 different types of counterion(K +?Na +?NH 4 +? + and [NH 3Pr i] +) was calculated by using the Discrete Variational Method coupled with Density Functional Theory (DFT DVM). L indqvist型 [Mo7O2 4 ]6 - 是一类具有抗肿瘤活性的多酸药物。 运用密度泛涵理论中的离散变分方法(DFT- DVM)对一系列具有不同平衡离子的 [Mo7O2 4 ]6 -的电子结构进行了计算。
- 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。
- The electronic structure of the Anderson flat type [H x PtMo 6O 24 ] (8- x )- ( x =3.5?4.5 and 6) anion was calculated by using the Discrete Variational Method together with Density Functional Theory (DFT-DVM). 运用密度泛涵理论中的离散变分方法 (DFT -DVM)对不同质子化程度的 [HxPtMo6O2 4]( 8-x) -(x =3.;5、4
- 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.
- the discrete Variational Xαmetbod 离散变分Xα方法
- the discrete variational Xα method 离散变分Xα方法
- 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。
- the discrete variational Xαmethod 离散变分Xα方法