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.
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。
A program with improved storage mode of structure stiffness matrix for such a solution is presented.
由结构刚度矩阵行列式值为零的失稳条件导出结构失稳特征方程，从而精确地确定系统临界力值。
The precise critical force of a system can be deduced from the fact that the determinant of stiffness matrix of the system is equal to zero in the critical condition.
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。
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.
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.
运用结构力学的矩阵分析法和计算机对抽芯作业车主体金属结构做了力学分析与计算，进而校核主体金属结构的强度、刚度和稳定性。
Mechanical analysis and calculation of the truck's metal construction are made by the matrix method, and the strength, rigidity and stability of the metal construction are checked.
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.
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 solver of this software uses the linked list data structure to store the global stiffness matrix, which is efficient in storage and calculation.
利用主解系数等方法导出了桩轴向、横向及扭转刚度系数的通用算法并用于桩基作为空间结构的矩阵分析。
The stiffness coefficients of piles have been calculated by numerical method and duly employed in the matrix analysis of pile foundations as space 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。
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.
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。
Numerical calculation process to obtain the tangent stiffness matrix of structure is deduced and geometric stability of different types of structures are analyzed.
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。
The general stiffness matrix of beam elements is modified to make it coincide with the actual condition of structure.
研究和讨论了用于RC平面结构分析的各类单元的刚度矩阵。
Research and discussion on the elementary stiffness matrixes of various plane elements for rc structures' finite element analysis.
概述了有限元法在立体停车库刚架结构分析和优化设计中的应用，并引入了刚度矩阵。
This thesis generally discusses the finite element method's application in the structural analysis and the optimum design about three-dimensional car parking lot, and introduce stiffness matrix.
应用等效线性化方法得到方程组的线性化刚度矩阵，给出了结构等效一阶频率的计算方法；
Then, an equivalent linearization method is applied to get its linearized stiffness matrix. The estimating method for the equivalent fundamental frequency of the membrane is deduced.
根据框支墙中钢筋的特点，确定了钢筋与混凝土的材料组合模型，导出刚度矩阵的计算公式。使框支剪力墙结构的非线性有限条法分析成为可能。
According to the features of reinforcing bars in the wall, authors model the combing material model of reinforcement and concrete and get the calculation formulation of a stiffness matrix.
通过位移法分析，导出了结构总刚度矩阵和等效结点荷载列阵的组成规则，并且具体的算例进行了验证。
The assembly rules of a global stiffness matrix and an equivalent nodal loads vector are derived by means of equilibrium method with a numerical example given.
文章以BKX - I型变轴数控机床为研究对象，利用矩阵结构分析法建立了变轴数控机床的静刚度计算模型。
In this paper, by using the method of matrix structural analysis, the static stiffness model are derived from researching BKX-I varied-axis NC machine tool.
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.
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.
本文针对两类核筒悬挂结构建立了振动方程，推导了刚度矩阵；
This paper establishes the vibratory motion equation of two kinds of core-tube suspension structure, derives rigidity matrix ;
提供一种间接计算离散化包装耦合体动刚度的逆子结构分析计算方法，依据矩阵理论推导了计算公式。
An indirect inverse substructure scheme for calculating the dynamic stiffness of discrete coupling unit-of-packaging was introduced. A formula was derived based on matrix theory.
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.
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。
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.
在结构损伤的早期阶段，损伤往往集中发生在少数单元，损伤前后总体刚度矩阵差的秩较小。
Damage tends to be concentrated in a few structural members at the early stage, so the stiffness perturbation matrix tend to be in small rank.
本文利用结构柔度矩阵与刚度矩阵之间的广义逆关系，建立了一种基于柔度的结构损伤定位方法。
According to the pseudo-inverse relationship between global stiffness matrix and flexibility matrix, a flexibility-based method for structural damage localization is presented.
讨论了桥梁结构分析中常用单元切线刚度矩阵的具体表达形式。
The concrete expression of the unit tangent line stiffness matrix is given.
本文通过引入弹性约束刚度矩阵和结构位移约束列阵，提出了结构有限元分析中处理阶跃型弹性约束的一种有效方法。
This paper presents a effective method dealing with step elastic supports in structural finite element analysis by inducing elastic support stiffness and structural displacement support matrices.
指出将此单元刚度矩阵嵌入目前较流行的结构软件中，可以使计算结果与真实情况更加一致。
Meanwhile, practice show that applying this matrix in current structural software can acquire truer calculation results.
指出将此单元刚度矩阵嵌入目前较流行的结构软件中，可以使计算结果与真实情况更加一致。
Meanwhile, practice show that applying this matrix in current structural software can acquire truer calculation results.
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