单元刚度矩阵

单元刚度矩阵采用Gauss积分求得，并给出了建立刚度矩阵的主要公式和推倒过程。

The element stiffness matrix is numerically obtained by the Gauss quadrature . The main formulae and detailed derivations are given in the paper .

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。

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 .

结构分析中厚、薄板通用的ACM单元刚度矩阵

A stiffness matrix of ACM elements for thick / thin plates in structure analysis

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。

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 .

通过采用结构矩阵分析中的逆步变换原理和静态凝聚方法，得到了超级单元刚度矩阵，并利用文中提供的算法编制了FORTRAN语言计算程序LSAP。

By the principle of contragradient transformation and the static condensation in structural matrix analysis , the super_element stiffness matrices are formed , and a microcomputer program LSAP in FORTRAN language is programmed by the presented method .

提出了轴对称结构的两种基本拓扑变化，并应用Moore-Penrose逆理论及单元刚度矩阵的一种分解，给出了轴对称结构拓扑变化公式。

Two elementary topological changes for axial symmetric structures were presented and a set of explicit formulae of elementary topology changes of axial symmetric structures were given by using Moore-Penrose inverse theory and a factorization of stiffness matrix .

本文根据Reissner夹层板理论，采用四结点和八结点等参元，建立了考虑夹心阻尼时夹层板复单元刚度矩阵和考虑转动惯量时对角质量矩阵。

On the basic of Reissner sandwich plate theory , this paper sets up the considering complex stiffness matrix for the damping of core material and diagonal mass matrix of sandwich plate by means of the 4-node and 8-node isoparametric elements .

通过建立新型位移函数，推导3种类型板（壳）条的单元刚度矩阵，按一般有限条法步骤，编制成程序FSVM。

A new kind of displacement function is established , unit stiffness matrixes of three types of plate ( shell ) strip are deduced , and the program FSVM is made according to the step of common finite strip method .

论文建立了空间梁单元刚度矩阵和结构平衡方程，利用大型有限元软件I-DEAS进行了在役JJ160/41-K型石油钻机井架的有限元建模和静力计算，获得了最大设计载荷作用下的静强度。

In the paper , the stiffness matrices and the equilibrium equation of the spatial beam elements are built . The finite element model is built and the static calculation is carried out by I-DEAS , one of the finite element software , the static intensity can get .

减少单元刚度矩阵计算量的一种方法

A Method for Reducing Number of Operations of Element Stiffness Matrix

建立精密单元刚度矩阵的一种方法的改进

Improvement of a method for establishing the refined element stiffness matrix

弹性地基梁的单元刚度矩阵及其固端内力

Element Stiffness Matrix and Fixed-ended Element Forces of Elastic Foundation Beam

推导了模型的单元刚度矩阵和各杆件的刚度。

Stiffness matrix of the model and element stiffness was developed .

变截面门式钢刚架结构杆件单元刚度矩阵近似计算

Approximate Calculation on Elemental Stiffness Matrix for Poles of Steel Portal Frame

带钢筋的四节点板单元刚度矩阵初探

Research of element stiffness matrix of the four-node plate with reinforce element

变截面直杆单元刚度矩阵的精确式

The accurate equation of element stiffness matrix for variable cross section bars

基于神经网络的圆柱壳单元刚度矩阵计算

Computing Method of Cylinder Shell Element Stiffness Matrix Based on Neural Network

导出了双层板―性夹层的综合单元刚度矩阵。

The stiffness matrix of synthetic dual plate-spring interlayer element is deduced .

还建立了梁柱的单元刚度矩阵；

The unit stiffness matrix of the beam - column is established .

曲梁的单元刚度矩阵和节点荷载列阵

Element stiffness matrix and nodal load matrix of circular beam

按高阶理论考虑剪切变形影响的梁单元刚度矩阵

Stiffness Matrix Formulation of Thick Beams Based on High Order Shear Deformation Theory

考虑约束扭转的薄壁梁单元刚度矩阵

Element stiffness matrix of thin-walled beam considering restrained torsion

一种具有强耦合作用的有限元单元刚度矩阵组装策略

The Stratagem for Assembling the Stiffness Matrix of a Kind of Finite Element

该单元刚度矩阵可很容易地进入总刚度矩阵。

The element stiffness matrix can be added to total stiffness matrix easily .

双锥型圆钢管的单元刚度矩阵及修正系数

Element stiffness matrix and modified coefficients for circular steel tubes with tapered ends

单元刚度矩阵的几何量分析

The geometric quantity analysis of the element stiffness matrix

空间圆弧曲梁单元刚度矩阵及坐标变换矩阵

Element Rigidity Matrix and Coordinate Transformation Matrix of Space Circular Arc Curved Beam

异形截面杆的单元刚度矩阵，并在此基础上，编制了异形柱结构内力分析程序。

Element stiffness matrix of special - shaped column .

岩体软弱夹层单元刚度矩阵分析

Analysis of Element Rigidity Matrix for Parting with Soft Zone in Rock Mass

应用杂交变分原理构造过渡单元刚度矩阵

Stiffness matrix for transfer element by hybrid variational principle