通过修正常应变矩阵，确保单元通过分片检验。
To pass the patch test, the constant strain matrix is modified.
以正交各向异性无限大板孔边应力场解析解为基础，导出了释放应变矩阵计算表达式，并用一个算例验证了该计算式的正确性。
Based on the analytical solution to stress field around a hole in a stressed orthotropic infinite width plate, a set of equations was derived to calculate the relieved strain matrix.
文中针对铝合金预拉伸厚板的特点，提出了测量其内部残余应力的方法，并运用弹性力学理论进行了理论推导，得到了应力-应变关系矩阵。
The modified removal method for measuring residual stress in thick pre-stretched aluminum plates is proposed and the stress-strain relation matrix is deduced by elasticity theory.
由工程应变推导出几何非线性的切线刚度矩阵，并给出判断分歧点与极限点的准则，最后用一数值例题说明该方法的分析过程。
The tangent stiffness matrix is obtained from the engineering strain and the principle for determining the limit point and bifurcation point is given.
结果表明，欧拉描述的有限应变固结控制方程的矩阵形式要比t。
The results show that the matrix formulation of governing equations of finite strain consolidation with Eulerian description has a more simple form than those with both t.
目前国内在处理起落架两数据中，大多采用应变值单向敏感的矩阵法处理，存在一定的局限性。
The single side sensitive value matrix processing now used frequently in dealing with the two data of landing gear at home has a certain limitation .
在有限元法推导方程的过程中，考虑到拉索大变形的应变表达式，求得它的几何刚度矩阵和弹性刚度矩阵。
While deriving the finite element equation, get the cable's strain formula considering the big distortion, get its geometry rigidity matrix and elastic rigidity matrix.
首次提出了影响矩阵的最小扭转应变能设置支座预偏心的方法，推导出了合理支座预偏心值的数学表达式。
The suitable bearing eccentricity method of influence matrix minimum torsion strain energy was presented for the first time, and the expression of the value of bearing eccentricity was educed.
而剪切部分则采用假设自然应变的方法来获得能克服薄壳下剪切自锁的新剪应变并用于计算此部分的刚度矩阵。
For the shear part, the assumed natural strain method is employed to construct the shear strains to obtain pertinent stiffness matrix and overcome shear locking for thin shell problems.
其次，基于CR列式法推导出了大旋转小应变空间杆单元及平面梁单元的内力矢量及切线刚度矩阵；
Then, based on the CR formulation, the internal force vector and tangent stiffness matrix of large rotation and small strain space bar and plane beam element are deduced.
通过矩阵变换，得到隧道围岩体扰动应力、应变和位移的解答函数式。
By matrix transformation, the solutions of surrounding rocks disturbance stress, strain and displacement are obtained.
根据高分子材料中三维应力应变关系建立了三维传递矩阵数学模型，模拟梯度聚氨酯在不同入射角下的吸声性能。
A three-dimensional transfer matrix model was presented to simulate the sound absorption coefficients of the graded polyurethanes based on relation of stress and strain of polymers.
系统的网络拓扑结构有任何的变化时，系统的节点导纳矩阵就会相应变化。
Due to any change in a power system network topology, it will cause a change in the admittance matrix.
精化杂交法可以使单元的应变能按假定的应变模式分解，由此得到相应的分解的单元刚度矩阵，而且常常可以推出显式。
By this way the element stiffness matrix can be decomposed into a series of matrices with respect to assumed strain modes.
提出了一种新的计算转子机匣系统动力特性的方法—整体传递矩阵法，并在此计算方法的基础上进行了系统应变能的计算和分析。
An improved transfer matrix method-Whole transfer matrix method was applied to calculation of the critical speeds and vibration modes of a dual-rotor system with engine casing.
理论上采用大挠度的应变——位移关系，建立了圆柱壳单元的弹性刚度矩阵和几何刚度矩阵。
The elastic stiffness matrix and the geometrical stiffness matrix for a element of cylindrical shells been established by the relation ship of strain displacement in a lange deflection.
该方法将温度变化对岩体的力学影响转化为等效初应力的作用来求解节理岩体热应力问题，给出了平面应力和平面应变问题中等效初应力和等效载荷矩阵的计算公式。
In the method, the effect of temperature change is equivalent to that of initial stress. The formulas of equivalent initial stress and equivalent loading for plane problem are given.
进一步推导了应变和应力以及单元的刚度矩阵等，最后通过具体实例验证了高阶四边形流形单元的计算应力和应变的准确性。
The calculation results, with an example shown, demonstrate that high order rectangular element of manifold method can get more accurate strain and stress.
进一步推导了应变和应力以及单元的刚度矩阵等，最后通过具体实例验证了高阶四边形流形单元的计算应力和应变的准确性。
The calculation results, with an example shown, demonstrate that high order rectangular element of manifold method can get more accurate strain and stress.
应用推荐