Starting from the variation principle of elasticity theory, the finite element method (FEM) theory is introduced simply.
从弹性力学的变分法原理出发，简单介绍了有限单元法。
The method based on the cubic B-spline function, beam vibration function (or trigonometric functions) and variation principle.
这个方法是建立在三次样条函数、梁振动函数(或三角函数)及变分原理基础上。
Based on the continuity equation of ground water and the variation principle, the seepage differential equation can be acquired.
根据地下水的连续方程和变分原理建立渗流场微分方程。
Using variation principle, the difference discrete scheme with diffusion flux form on the irregular hexahedral grid is constructed.
在非正规六面体网格上，用变分原理建立扩散流形式的差分格式。
Based on the variation principle, the composite element method (CEM) is studied for seepage analysis considering discontinuous surfaces and drainage holes.
基于变分原理，研究渗流分析中模拟排水孔和不连续面的复合单元法。
Then, Lagrange arithmetic operator is applied in variation principle of finite deformation resilience to establish a generalized variation principle of springback.
然后应用拉氏乘子法于有限变形回弹变分原理建立有限变形广义回弹变分原理。
Based on biconjugate gradient method, we redefine inner products using general variation principle, which can make complex linear equations solving have high-performance.
在一般双共轭梯度法的基础上，本文利用广义变分原理对内积进行了重新定义，使双共轭梯度法求解复线性方程组更为有效。
Through cutting experiments in which the contact length between chip and rake face of restricted contact cutter is reduced step by step, the variation principle of cutting force is studied.
通过切削试验，研究了限制接触刀具前刀面的刀—屑接触长度逐渐减小时切削力的变化规律。
Based on energy variation principle, the nonlinear control equations of elastics plate on (two-parameter) foundation including the coupled effect of the foundation are derived in this paper.
基于能量变分原理，考虑地基耦合效应，建立了双参数地基上弹性板的非线性静力平衡方程。
From the variation principle, an analytical solution of the tangential stiffness matrices with nonlinear effects geometrically, for two-nodal two-dimension curved beam element, has been derived.
利用变分原理，推导了两节点二维曲梁单元几何非线性的单元切线刚度矩阵。
The variation principle of the 3-D contact problem is introduced, the related formulas based on the finite element method are derived, and the contact mode and condition of the boundary are discussed.
介绍了三维接触问题的变分原理，推导了接触问题有限元计算公式，讨论了边界接触模式和接触条件。
The establishment of variation-principle is of benefit to deriving the finite element method or semi-analytical solution to the cylindrical shell static-dynamical problems of piezoelectric materials.
变分原理的建立将有利于压电材料圆柱壳静力学和动力学问题的有限元方法或半解析法的推导。
The establishment of variation-principle is of benefit to deriving the finite element method or semi-analytical solution to the cylindrical shell static-dynamical problems of piezoelectric materials.
变分原理的建立将有利于压电材料圆柱壳静力学和动力学问题的有限元方法或半解析法的推导。
应用推荐