Numerical calculation process to obtain the tangent stiffness matrix of structure is deduced and geometric stability of different types of structures are analyzed.
推导了铰接杆系结构切线刚度矩阵较为简便的计算生成过程，便于在编程中实现。
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；
The solver of this software uses the linked list data structure to store the global stiffness matrix, which is efficient in storage and calculation.
本文的计算软件采用动态链表数据结构存贮总体刚度矩阵，具有很高的存贮和计算效率。
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 general stiffness matrix of beam elements is modified to make it coincide with the actual condition of structure.
对一般的梁元刚度矩阵作了修正，使其更接近结构的实际情况。
To solve the problem that the single structure stiffness matrix caused by the too big dispersion of element thickness between different levels, it proposed the adjustive method of relevant parameters.
为解决各层优化单元厚度相差太大，易造成结构刚度矩阵奇异的问题，提出对相应参数的调整方法。
A program with improved storage mode of structure stiffness matrix for such a solution is presented.
本文编制出用共轭斜量法解有限元方程组的程序，主要改进了已有的结构刚度矩阵的存储方式。
Stiffness matrix of the piles was given, including bending and shear deformation effects. The damping of the entire structure was calculated using the damping of each of the sub-structures.
推导同时考虑弯曲变形和剪切变形时的群桩刚度矩阵，采用分别计算各子结构阻尼的方式来考虑整个结构的阻尼，并采用等效线性化原理来考虑土体的非线性。
Revising the rotation displacement equation, the mass matrix and stiffness matrix of this kind of structure were derived by virtual principle.
采用虚功原理，通过对单元转角-位移方程的修正，推导了这种计算模型的单元质量矩阵和刚度矩阵。
The properties of suspended structure are introduced and the singular function method is used to derive the lateral displacement stiffness matrix and the dynamic equations.
介绍了悬挂结构特点，利用奇异函数方法建立了悬挂框剪结构的侧移刚度矩阵和动力方程。
Based on establishing the stiffness matrix of the columns and beams with joint damage, the finite element model of the damaged frame structure is set up.
文中在提出有结点损伤的梁柱有限元刚度矩阵的基础上，建立了有结点损伤框架结构的有限元模型。通过完好结构和有损伤结构的有限元分析。
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。
In order to Solve problems on a larger scale by microcomputers, the one dimensional change bandwidth memory is chosen for the total stiffness matrix of the structure.
为便于使用微机解算较大规模的课题，结构总刚阵采用一维变带宽存贮。
In order to Solve problems on a larger scale by microcomputers, the one dimensional change bandwidth memory is chosen for the total stiffness matrix of the structure.
为便于使用微机解算较大规模的课题，结构总刚阵采用一维变带宽存贮。
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