Stiffness matrix of the model and element stiffness is provided.
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.
推导了模型的单元刚度矩阵和各杆件的刚度。
Dynamic Stiffness Matrix Method is applied to compute vibration of ship hull.
采用动态刚度阵法计算船体总振动的固有频率。
The precise expression of the stiffness matrix and computing code is developed.
推出了精确的刚度矩阵显式，并编制了相应的计算程序。
The stiffness matrix of synthetic dual plate-spring interlayer element is deduced.
导出了双层板―性夹层的综合单元刚度矩阵。
The whole stiffness matrix of structural system is derived by condensation approach.
分析了结构运动方程，并采用缩聚法建立结构总侧移刚度。
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。
The geometric stiffness matrix is composed by the effect of axial force, bending moment and bimoment.
其中几何刚度矩阵由轴向力、双向弯曲和截面翘曲的影响组成。
The dynamic stiffness matrix method for determining dynamic characteristics of crankshaft is developed.
应用动态刚度矩阵法分析曲轴的动态特性。
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 method remarkably simplifies the integrand for the stiffness matrix, and therefore has practical significance.
这种方法在计算劲度矩阵时，被积函数大为简化，因而具有实用意义。
The precise tangent stiffness matrix of space cable element is derived in this paper by using equilibrium equation.
本文采用状态平衡方程推导出用超越函数表示的空间索单元切线刚度矩阵的精确表达式。
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。
This article calculated the vertical stiffness matrix of plane frame structures subjected to vertical earthquake action.
计算了平面串并联多质点系结构在竖向地震作用下的竖向刚度矩阵。
A stiffness matrix of simple rectangular plate bending element with 12 parameters expressed in explicit form is derived.
推导了以显式表示的12个自由度的简单矩形板弯曲元素刚度矩阵。
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；
Non-classical systems mean that the mass, damping and stiffness matrix in non-classical system may be asymmetric matrices.
非经典系统指在最一般的场合，这类系统的质量、阻尼和刚度矩阵都无对称或反对称性可言。
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。
In this paper, the lap displacement stiffness matrix of the space cable is derived bac on the updated Total Lagrangian Formulation.
基于修正的拉格朗日坐标描述法，推导了空间纤绳单元的大位移刚度矩阵。
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。
The stiffness matrix, equivalent nodal load and consistent mass matrix are derived for the beam element with variable cross-section.
导出了变截面梁单元的单元刚度矩阵、单元等效节点荷载和单元一致质量矩阵。
This paper analyzes the nonlinear deformational process of the envelop structure and the cause of stiffness matrix singularity in details.
本文详细地分析了囊体结构的非线性变形过程及刚度矩阵出现奇异的原因；
Space stiffness matrix of T-shape, L-shape and -shape short-leg shear wall is derived by virtual work principle and variational principle.
利用虚功原理和变分原理分别推导了T形、L形和一字形截面的短肢剪力墙空间单元刚度矩阵。
The method is applied to calculate lateral stiffness matrix in space cooperating analysis and the the degree of freedom can be greatly decreased.
空间协同分析时，采用超元法（每个单元由多根杆组成）计算等效柱的侧移刚度矩阵，自由度成倍减少。
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。
The structural performances are evaluated from the condition number (CN) of equilibrium matrix, and CN and minimum eigenvalue of stiffness matrix.
根据平衡矩阵的条件数和刚度矩阵的条件数与最小特征值，评价基本单元的结构特征。
The stiffness parameters could be calculated from the solution of an equilibrium equation, through the stiffness matrix of the joint substructure.
最后通过连接子结构刚度矩阵建立的平衡方程求解相应的刚度参数。
The structural stiffness matrix is the function of frequency because that the impedance function of the pile foundation changes with its frequency.
由于桩基础的阻抗函数随频率变化，所以结构的刚度矩阵也是频率的函数。
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。
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