Solving finite element equations is a key step in the numerical simulation of sheet metal stamping.
在板料冲压成形的有限元数值模拟过程中,有限元方程的求解是有限元分析中的一个重要步骤。
The conformability of finite element equations for symmetric and non-symmetric Biot抯 consolidation is discussed in this paper.
论述了对称与非对称的Biot固结有限元方程组间的一致性,发现Biot固结有限元方程组系数矩阵是否对称是与平衡方程中与孔隙水压力有关的项是否进行分部积分有关。
Based on Biot theory of two-phase anisotropic media and Hamilton theory about dynamic problem, finite element equations of elastic wave propagation in two-phase anisotropic media are derived in this paper.
基于Biot双相各向异性介质理论和动态问题的哈密顿原理,推导出任意双相各向导性介质中弹性波传播的有限元方程,并给出双相各向异性介质中弹性波有限元方程的数值解法。
Three dimensional finite element equation of damage simulation of large concrete structures;
大体积混凝土结构的损伤仿真有限元方程
Using variational principle, constitutive relations and geometrical relations of functionally graded piezoelectric material, and the boundary conditions of the plates, the finite element equations were deducted.
本文利用变分原理和功能梯度压电材料的本构关系、几何关系、板的边界条件等,推导出功能梯度板的有限元方程。
In this paper, geometric quantity expressions of the finite element equations of Laplacian equation for 2-d quaolric triangle elements and 3-d linear tetrahedron elements are obtained.
利用这种表达式可揭示有限元方程的一些重要的内在性质。
Unknown displacement jumps of two-dimensional finite-part integral equations for the elliptical crack of three-dimensional fracture mechanics problems are approximated by the product of fundamental displacement jump function and a Chebyshev polynomial .
根据均质弹性体中平面裂纹问题的一维Ｃａｕｃｈｙ型主值积分方程的Ｃｈｅｂｙｓｈｅｖ多项式数值求解方法，提出了三维断裂力学问题的椭圆类平片裂纹二维有限部积分方程中未知位移间断用Ｃｈｅｂｙｓｈｅｖ多项式与位移间断基本函数之积来表示的近似数值解法，并导出了与多项式系数相对应的应力强度因子计算公式最后给出了若干不同长短轴半径之比的椭圆平片裂纹应力强度因子计算例计算表明，本文方法的数值结果不但收敛速度快，而且精度也大大高于现有的有限部积分———边界元方法的精度
Finite difference equation for irregular meshes is obtained by a generalized measuring approach.
对于不规则网格剖分下有限差分方程的建立，则采用了一种广义的测试系数的方法。
According to the interaction approximate model of the CO-Pt system between CO and a Pt surface,using finite difference equation and quantum-mechanical method,the numerical solution of the wave function of CO-Pt system is obtained by solving the Schrdinger equation of CO-Pt system with the Rose-like potential.
根据CO分子吸附在过渡金属Pt表面的CO-Pt体系相互作用近似模型,采用类Rose势,利用有限差分方程和量子力学方法求解CO-Pt体系的Schr dinger方程,得出CO-Pt体系波函数的数值解。
The finite difference equation of steady heat conduction is established,and the corresponding computer program is compiled to solve the heat conduction problem in a square domain with three categories of boundary conditions and internal heat sources.
建立了稳态热传导问题的有限差分方程,编写了相应的温度场差分计算程序,然后采用计算机图形学原理编写了图形显示程序。
nonlinear finite difference equation
非线性有限差分方程
Research on High-Resolution Finite-Difference Methods for the Shallow Water Equations;
浅水方程高分辨率有限差分方法研究
A Finite Difference Method for BBM-Burgers Equations;
BBM-Burgers方程的有限差分方法
Research on Finite Difference Solutions for Symmetric Regularized Long-wave Equation;
对称正则长波（SRLW）方程的有限差分方法
Finite Difference Domain Decomposition Algorithm for Numerical Solution of the Heat Equation;
热传导方程的有限差分区域分解算法
Finite-difference Approximation for One-dimensional Fractional Percolation Equation
一维分数阶渗透方程的有限差分逼近
A Finite Difference Scheme for Camassa-Holm Equation
Camassa-Holm方程的有限差分格式
The discussion of the finite difference scheme of 1-D boussinesq equation
一维Boussinesq方程有限差分格式的讨论
Heat Conduction Equation Finite Difference Method to Achieve the MATLAB
热传导方程有限差分法的MATLAB实现
Finite Difference Method and Numerical Simulation of Stochastic Partial Differential Equations
有限差分方法与随机偏微分方程的数值模拟
An implicit finite difference method for a class of fractional dispersion advection equations
一类分数阶平流—扩散方程的隐式有限差分方法
High-Order Compact Finite Difference Method for Systems of Nonlinear Reaction-Diffusion Equations;
非线性反应扩散方程组的高阶紧有限差分方法
A Finite Difference Method for One-dimensional Schr(?)dinger Equation on Unbounded Domain;
一维无界域上薛定谔方程的有限差分方法
Some Parallelism Numerical Methods for Parabolic Equation
抛物型方程的几种可并行的有限差分方法
A Finite Difference Scheme for Solving the Timoshenko Beam Equations with Boundary Feedback;
一类带有边界反馈的Timoshenko梁方程的有限差分格式
Several Finite Difference Schemes for a Family of Nonlinear PDES;
一类非线性偏微分方程的若干有限差分格式
Error Estimates for Mixed Finite Element Methods for Pseudo-parabolic Intergo-differential Equations
伪抛物型积分微分方程的混合有限元误差估计
Analysis on dispersion and alias in finite-difference solution of wave equation.
波动方程有限差分法中的频散与假频分析