The element stiffness matrix can be added to total stiffness matrix easily.
该单元刚度矩阵可很容易地进入总刚度矩阵。
Based on the finite element method, the element stiffness matrix for each element is set up.
根据有限元理论，建立各单元刚度矩阵。
In the paper authors'll derive element stiffness matrix, mass matrix and formulas for computation of inner forces.
本文将演引组合单元刚度矩阵、质量矩阵及内力计算公式。
A simple and efficient method for integrating the nonlinear beam element stiffness matrix is presented in this paper.
对于非线性杆件单元，本文提出一种新的简便有效的集成单元刚度矩阵的算法。
The super element stiffness matrix and the stiffness contribution of substructures to the whole structure are developed.
推导了超级元刚度矩阵及子结构参与协同承载时对整体结构的刚度贡献。
The soil reaction matrix is added to beam element stiffness matrix, and modified beam element stiffness matrix is formed.
将土反力矩阵与梁单元刚度矩阵迭加，形成修正的梁单元刚度矩阵；
By this way the element stiffness matrix can be decomposed into a series of matrices with respect to assumed strain modes.
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。
Two plane 4-node incompatible elements which can possess explicit element stiffness matrix are constructed as the examples.
作为实例，构造两个可以给出单刚显式的四结点平面非协调新单元。
This static cable element stiffness matrix has a high accuracy since it comes from the analytic solution of a parabolic cable.
该静刚度矩阵来自抛物线索的解析解，具有很高的精度，明显比悬链线索单元简化了许多。
The type of hysteresis loops can arbitrarily be chosen, and the corresponding element stiffness matrix can be built up in a simple way.
弯矩—曲率恢复力曲线可以是任意的，而相应的单元刚度矩阵的建立较为简单。
The numerical integral is not needed in forming element stiffness matrix by the present method. It is easy to constructed curved element.
形成单刚矩阵时，不需要在单元域内进行数值积分，容易构造曲边单元。
An ACN element stiffness matrix is proposed in the paper, which can be used in the analysis of both thick and thin plates without shear locking.
本文给出一个可以通用于薄板和厚板结构分析且不会出现剪切自锁的ACM单元刚度矩阵。
According to section stiffness matrix and available displacement mode, element stiffness matrix of elastoplastic stage was derived in this paper.
可基于截面刚度矩阵以及现有的位移模式推导出弹塑性阶段的单元刚度矩阵。
A formula based on the interpolation for the rank of the element stiffness matrix is presented, and some reduced integration elements are examined.
得到了根据插值函数来计算刚度矩阵秩的计算公式，并对几种降阶积分单元进行了验算。
This paper introduces a finite element method of the plane trusses with elastic node. The element stiffness matrix and loading matrix are calculated in detail.
研究了弹性结点有限元方法，详细导出了弹性结点杆件的单元刚度矩阵和常见荷载列阵。
So the form of the element stiffness matrix is analyzed, a method which may realize the real time computation of element stiffness matrix based on the BP net is proposed.
分析了单元刚度矩阵的组成，提出用BP网络来实现单刚矩阵的实时计算方法。
And the corresponding thin-walled element stiffness equation was formulated. The apparent formulation of element stiffness matrix under the local coordination was attained.
并建立了相应的薄壁单元刚度方程，从而得出了局部坐标系下单元刚度矩阵的显式。
Finite element method is used to build up element stiffness matrix and element mass matrix. After the combined total stiffness matrix and the total mass matrix are obtained.
采用有限元法建立不同管道元件的单元刚度矩阵和单元质量矩阵，最终形成管道结构的总刚度矩阵和总质量矩阵。
And it tells us that in the calculation of thin-walled structure, displacement is better then force method, because the data in the element stiffness matrix is more simplify.
同时指出，由于单元刚度矩阵的诸元素数据简洁、计算简单，因此在薄壁构件体系的计算中，位移法比力法更具有优势。
By using the moment-curvature relationships of the member section, the inelastic element stiffness matrix is derived directly from the slope-deflection equation of clastic member.
利用杆件截面的弯矩—曲率关系，可以直接由弹性杆件的转角—位移方程建立单元的非线性刚度矩阵。
Reference to the derivation of the general beam element matrix, taking into account the shear deformation of the beam element, it is derived spatial beam element stiffness matrix.
参考一般梁单元矩阵推导过程，考虑了梁单元的剪切变形，推导出空间梁单元刚度矩阵。
The element stiffness matrix is computed by using the traditional method and BP net respectively. The computation result by using BP net is in agreement with the traditional method.
用传统的有限元法和BP网络对同一算例进行求解，结果表明BP网络计算精度满足工程要求。
A nonuniform beam finite element is presented and the element stiffness matrix and equivalent joint load are derived to analyse nonuniform members used increasingly in engineering structures.
针对工程结构中广泛应用的变截面构件，提出了一个变截面平面梁单元，推导了其单元刚度矩阵和等效节点荷载公式。
Furthermore, each element in the singular stiffness matrix can be expressed by some more simple analytic formulas.
而且奇异单元刚度矩阵中的各元素可以用较简单的分析式表出。
The element siiffness matrix and the geometric stiffness matrix etc. are explicitly presented.
单元的刚度矩阵和几何刚度矩阵全部显式给出。
Method for computing the element restoring force, rather than the stiffness matrix, is the most important factor that determines the accuracy of a geometric nonlinear finite element problem.
几何非线性单元的精度主要决定于单元恢复力的计算方法，刚度矩阵对单元精度的影响很小。
Stiffness matrix and load vector were founded on developing eigen-equation for wall element and applying principle of virtual work.
通过推导单元特征方程的解及应用虚功原理，建立了墙元的刚度矩阵和荷载向量。
Employing the virtual displacement principle and considering constraint conditions of material interface, the stiffness matrix and equivalent load vector for this element are established.
应用虚位移原理和结合考虑材料交界面上的约束条件，文章建立了接触单元的刚度矩阵和等效荷载向量。
Employing the virtual displacement principle and considering constraint conditions of material interface, the stiffness matrix and equivalent load vector for this element are established.
应用虚位移原理和结合考虑材料交界面上的约束条件，文章建立了接触单元的刚度矩阵和等效荷载向量。
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