查询词典 galerkin equations

Then he combined the evolution equations with the Euler equations, and finally got the model equations based on the quasi-conservative equations.

Shyue将该计算方法推广到基于一般刚性气体状态方程的γ模型和体积分数模型的准守恒型Euler方程组。

In this paper we study the method of interpolation by radial basis functions in H~k(k ≥ 1) and give some error estimates. By means of such interpolation with a special kind of radial basis function, we construct a basis in H~k(k ≥ 1). Combined with the Galerkin method, this theory can be applied to solve boundary value problems for elliptic partial differential equations (such as the third boundary value problem for Poisson equation and the corresponding problem for the biharmonic equation), and some numerical experiments are also given.

本文从求解偏微分方程的角度出发，在被逼近函数u属于一般的Sobolev空间H~k(k≥1)的情形，引入了一种径向基函数插值方法，并建立了相应的误差估计；再利用这种插值性质，从一类特殊径向基函数出发构造Sobolev空间的一组基，针对Poisson方程第三类边值问题和重调和方程类似边值问题，为用无网格算法求解偏微分方程边值问题建立了相应的理论，并通过算例来验证了这一算法。

The differential coefficient of the dimension function indispensable to finite element equations and the Daubechies-Galerkin coefficient are given.

并详细推导出在有限元方程中所需的尺度函数的导数和Daubechies-Galerkin有限元方程系数。

Based on the governing differential equations of the transient problem of temperature fields with phase change, the two-dimensional finite element formula of computing temperature fields around a buried pipeline in permafrost regions are achieved by using Galerkin's method.

根据相变瞬态温度场的控制微分方程，应用Galerkin法推导出计算温度场的二维有限元公式，对中国东北多年冻土区运行30年的加热输油管道土壤温度场进行了计算分析和比较。

In this paper, Computed water flow equation with finite difference method and solute transport equations with the Galerkin finite element method.

从国内外有关对地下水脆弱性概念的不同定义入手，通过分析和研究，提出了地下水固有脆弱性和特殊脆弱性的定义。

Element-free Galerkin Method is a effective method for solving partial differential equations with the help of shape functions coming from moving least squares approximation. It is well-suited to problems involving large deformation and crack propagation etc on which Finite Element Method can not be used easily. But EFGM is computationally expensive and it is hard to impose the essential boundary condition. Coupling the EFGM and FEM can fetch up the defect of EFGM and improve the efficiency highly.

无网格伽辽金法是基于移动最小二乘法的一种用来求解偏微分方程非常有效的方法，在处理诸如高度大变形、裂纹动态扩展等有限元法较难解决的问题时有其独特的优势，但是存在处理边界条件复杂，计算量大的不足，将无网格法同有限元耦合可以解决这些缺点，极大的提高计算效率。

Secondly, we prove the existence and the unique theorem of the strong solution for the equations by the Faedo-Galerkin approach.

据我们所知，这类问题解的存在性已有很多经典的结果，但关于全局吸引子的存在性还没有任何结论。

Based Hamilton principle and Galerkin method, the equations of nonlinear vibration of SMA damper-cable system have been set up.

根据Hamilton原理，结合Galerkin法，建立了SMA阻尼器—拉索系统的非线性振动方程。

It lay emphasis on the research of Galerkin FEM equations for multiaquifers and its solution, and on the research of basic ideas and implementation of visual mesh auto-generation .

重点研究了潜水——承压水多层结构含水层系统的伽辽金FEM方程，并探讨了其数值解法，提出了基于可视化理念的FEM剖分软件系统设计的基本思想及其实现的方法。

The finite element equation of 3D3C CSAMT electric field is derived from Maxwell equations using Galerkin method.

首先从麦克斯韦方程出发，用伽里金方法推导了三维三分量CSAMT法的有限元方程。

Green function defined inphase space differs from one in coordinate space by its struc-ture which exhibits nonlocatity in coordinates and oscillatorybehavior with respect to momenta.

在相空间中定义的Green函数不同于通常坐标空间的Green函数，在结构上显示出对坐标的高度非局域性，而对动量则显示出振荡行为。

The upper front part of a saddle;a saddlebow.

前鞍桥马鞍前面的上部分；前鞍桥