In this paper, four methods for local error estimation in finite element solution are described and analyzed.
本文分析了四种基于局部量计算的恒定磁场后验误差估计方法。
The coherence between the computing results with the finite element solution shows the method in the paper is reliable.
其结果与有限元精确解的一致性表明文中方法是可靠的。
This paper discusses the numerical stability and time step criterion for the finite element solution of viscoelastic problems.
本文讨论粘弹性问题用有限元求解时的数值稳定性及步长判据。
On the basis of the finite element solution to elastodynamic problems, we propose a new method of finite element elastic wave migration.
本文在弹性动力学问题的有限单元解的基础上，提出了一种弹性波偏移的新方法——有限单元法弹性波偏移。
In chapter 4, for 2d nonlinear convection-dominated diffusion equation, a two-grid scheme of characteristic finite-element solution is constructed.
第四章里，对二维非线性对流扩散方程，构造了特征有限元的两重网格算法，并给出了相应的收敛性分析，数值例子。
A multigrid algorithm is described in this paper, which can be used to obtain the finite element solution of rock mechanics and engineering problems.
描述了适用于岩石力学与工程问题有限元解的多重网格算法。
It is proved that the stiffness matrix of the finite element solution is a block diagonal matrix and its elements are some symmetric and block circulant submatrices.
证明了有限元求解的刚度矩阵是一个块对角阵，且其子矩阵是某种对称、块循环矩阵。
For certain geometry constraints, by transforming the constrained degrees of freedom, the reduced unconstrained degrees of freedom finite element solution was obtained.
对于特定的线性几何约束条件，通过对约束条件下的初始自由度进行转换，将有限元方程转换为少自由度的无约束方程进行求解。
For certain geometry constraints, by transforming the constrained degrees of freedom, the reduced unconstrained degrees of freedom finite element solution was obtained.
对于特定的线性几何约束条件，通过对约束条件下的初始自由度进行转换，将有限元方程转换为少自由度的无约束方程进行求解。
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