在区域的两个不同部分分别采用协调元和非协调元来研究二阶椭圆问题。
The second order elliptic problem is studied by using conforming finite element and nonconforming finite element in the different parts of the area respectively.
文章给出了三角网格上二阶椭圆问题广义差分方法的一种新的误差估计方法。
In this paper, a new method of error estimate for the generalized difference method of second order elliptic problems on triangle grids is given.
研究了无穷边界的二阶椭圆问题，探讨了将其转化为一阶系统的最小二乘有限元逼近方法。
A least-squares mixed finite element methods for the first-order system formulation of second-order elliptic problems and a formulation for the infinite boundary conditions are presented.
讨论了二阶非线性椭圆型方程在多连通区域上的间断边值问题。
The article deals with the discontinuous boundary value problem for nonlinear elliptic complex equations of second order.
先给出这些问题的提法，然后使用列紧性原理和极值原理证明了上述二阶椭圆型方程边值解的存在性和唯一性。
Fristly the boundary value problems for the equations is formulated, and then by using the compactness principle, the existence of solutions for the above problems is proved.
本文主要考虑在一类各向异性网格(我们称之为gatm)下用一些三角形单元逼近二维空间中二阶椭圆边值问题。
Some triangular elements are considered to solve the two-dimensional and second-order elliptic boundary value problem on a class of anisotropic meshes (we call them GATM).
本文主要利用拓扑度理论中的不动点定理和变分方法中的极小作用原理及其环绕形式的临界点定理在适当的条件下讨论了一类二阶椭圆边值问题的可解性。
The aim of this thesis is to study the existence of weak solutions for semilinear second order elliptic boundary value problems under suitable conditions through topological and variational methods.
讨论多连通柱体区域上二阶椭圆-物型方程的一般初非正则斜微商边值问题。
This paper deals with general initial irregular oblique derivative boundary value problem for elliptic parabolic complex equations of second order in a multiply connected cylindric region.
本文第一部分主要考虑在各向异性网格下用矩形单元对二维空间中二阶椭圆边值问题进行逼近。
Two kinds of rectangular elements are considered to solve the two-dimensional and second-order elliptic boundary value problem on anisotropic meshes.
讨论了二阶非线性椭圆型方程在多连通区域上的间断边值问题。
The method of the composition of some linear equations of second order;
讨论了二阶非线性椭圆型方程在多连通区域上的间断边值问题。
The method of the composition of some linear equations of second order;
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