应用动态刚度矩阵法分析曲轴的动态特性。
The dynamic stiffness matrix method for determining dynamic characteristics of crankshaft is developed.
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.
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 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.
单元的刚度矩阵和几何刚度矩阵全部显式给出。
The element siiffness matrix and the geometric stiffness matrix etc. are explicitly presented.
应用加权余量法推导出单元刚度矩阵和单元载荷矩阵。
The element stiffness and load matrices are derived by Galerkin's weighted residual method.
推出了精确的刚度矩阵显式，并编制了相应的计算程序。
The precise expression of the stiffness matrix and computing code is developed.
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。
Furthermore, each element in the singular stiffness matrix can be expressed by some more simple analytic formulas.
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 geometric stiffness matrix is composed by the effect of axial force, bending moment and bimoment.
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。
This article calculated the vertical stiffness matrix of plane frame structures subjected to vertical earthquake action.
从理论上分析了板单元-实体单元相结合的单元刚度矩阵转化问题。
This paper analyzed from theory on the rigidity matrix transformation problems of the combination unit of plate unit and entity unit.
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。
A stiffness matrix of simple rectangular plate bending element with 12 parameters expressed in explicit form is derived.
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；
The soil reaction matrix is added to beam element stiffness matrix, and modified beam element stiffness matrix is formed.
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 stiffness parameters could be calculated from the solution of an equilibrium equation, through the stiffness matrix of the joint substructure.
在有限元分析中，节点编号对整体刚度矩阵的带宽起着决定性的作用。
In finite element analysis, node numbering plays a decisive role in determining the bandwidth of the global stiff matrix.
相应的广义刚度矩阵既决定于体系的刚度特性，又决定于几何约束特性。
The corresponding generalized stiffness matrix depends on both the stiffness characteristics and the geometrical constraint characteristics of the system.
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 super element stiffness matrix and the stiffness contribution of substructures to the whole structure are developed.
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；
This paper analyzes the nonlinear deformational process of the envelop structure and the cause of stiffness matrix singularity in details.
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。
In this paper, the lap displacement stiffness matrix of the space cable is derived bac on the updated Total Lagrangian Formulation.
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。
The structural stiffness matrix is the function of frequency because that the impedance function of the pile foundation changes with its frequency.
笔者用有限元法进行了分析，给出了单元的线性刚度矩阵和增量刚度矩阵。
Finite element method is used in the analysis. The linear incremental and stiff matrices are derived.
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。
According to section stiffness matrix and available displacement mode, element stiffness matrix of elastoplastic stage was derived 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。
A simple and efficient method for integrating the nonlinear beam element stiffness matrix is presented in this paper.
推演了索单元的切线刚度矩阵，建立了斜拉桥施工控制计算的几何非线性模型。
The paper deduces tangent stiffness matrix and set up geometrical nonlinear model of construction control calculation of the cable-stayed bridge.
本文推导了高耸塔架、拉绳塔和缀条柱等空间桁架在大位移下的精确刚度矩阵。
This paper presents precise stiffness matrices for space trusses with large deflections, such as tall towers, guyed masts, and latticed columns, .
用这个方法修正的刚度矩阵不仅满足特征方程，而且是唯一的对称半正定矩阵。
The stiffness matrix corrected by the method not only satisfies the characteristic equation, but also is the unique symmetric positive semidefinite matrix.
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。
The stiffness matrix, equivalent nodal load and consistent mass matrix are derived for the beam element with variable cross-section.
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。
Stiffness matrix and load vector were founded on developing eigen-equation for wall element and applying principle of virtual work.
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 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 structural performances are evaluated from the condition number (CN) of equilibrium matrix, and CN and minimum eigenvalue of stiffness matrix.
应用推荐