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计算一个平面桁架结构的总体刚度矩阵,最后以图形形式显示出桁架结构-Calculation of a plane truss structure' s overall stiffness matrix, the last show in graphical form of truss structure
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Input data is the MS Excel file, where the table of nodes, table of elements, nodal external loads vector and boundary conditions are stored.
After running the mabs2d.m file on the Command Window, the program calculates the stiffness matrix in lo
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本子程序包含5个子程序,其主要功能是:
(1) 子程序CXCY(E,L,IE,JE)的功能
用于计算各单元的杆件的长度及在结构坐标系中的倾角α的三角函数cosα、sinα。
(2) 子程序ELEA(E,L,IE,JE,A)的功能
用于计算结构坐标系下各单元刚度矩阵中的刚度系数。
(3) 子程序TOTAL(E,LNODE,KE,KZ)的功能
用于形成半带宽的结构原始刚度矩阵。
(4) 子程序FIFX(NP,FXI,FXJ,FYI,FYJ,MMI,MMJ,WL,IE
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基于matlab的有限元数值计算,对轴对称结构使用三角形环单元,有两种刚度矩阵计算方法-Based on the matlab finite element numerical calculation, axisymmetric structure of using a triangle ring unit, have two kinds of stiffness matrix calculation method
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matlab程序代码,三维杆单元有限元结构刚度和质量矩阵的生成-Matlab program code, 3 d finite element structure stiffness and stem the generation of mass matrix
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此程序用于实现结构的有限元计算:将patran中的模型的bdf文件中的单元信息和节点信息保存成txt文档,在matlab中调用,就可实现刚度矩阵、质量矩阵的组装,进而有限元计算-This procedure is used to achieve the structure of the finite element method: bdf file of the model in patran unit information and node information is saved into
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有限元薄板结构的分析 刚度方程 matlab程序-Analysis of finite element stiffness equation matlab program sheet structure
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此程序用来计算结构的总刚度矩阵,求解结点位移,各单元内三个节点的应力应变。-This program is used to calculate the total stiffness matrix structure, solving node displacement, stress and strain within each cell of the three nodes.
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用于求解平面结构问题,程序采用二维等带宽存储整体刚度矩阵,乘大数法引入约束,等带宽高斯消去法求解位移。-Planar structure for solving the problem, the program uses a two-dimensional, such as bandwidth storage overall stiffness matrix multiplication of large numbers Law introduces constraints, such as G
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该程序用以实现综合结构的有限元计算.质量和刚度矩阵采用NASTRAN计算-this program can be used to realize FEA of synthsis structure. the mass and stiffness matrice is obtained using nastran.
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包括有限元的基本方法和步骤、结构的动力特性和响应分析、单元的质量矩阵和刚度矩阵的建立及典型结构的动力学分析、工程应用和数值仿真等内容。-Including the basic methods and steps of finite element, structural dynamic characteristic and response analysis, element stiffness matrix and mass matrix of typical structure and dy
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平面刚架梁单元,刚度矩阵。由单元刚度矩阵得到整体刚度举证。结构节点位移矢量。-Plane rigid frame beam element stiffness matrix. The element stiffness matrix to get the overall stiffness. Structure of node displacement vector.
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多自由度有阻尼系统的MATLAB求解代码,输入刚度,阻尼,平衡方程,自动计算结构阻尼频率和振型。(The MATLAB solution code of the damping system with multiple degrees of freedom is used to enter the stiffness, damping and equilibrium equations, and the damping frequency and vibration mode of the st
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用matlab软件求解复合材料结构设计中层合板刚度系数计算程序(A program for calculating stiffness coefficient of composite laminates based on composite structure design)
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本程序采用matlab编写。程序加载由用户提供的前处理数据,包括网格数据和载荷数据。采用直接的数值运算和matlab符号运算两种方法(可选择)生成单元刚度矩阵。自动集成结构刚度矩阵,选用直接解法求解线性方程组,解出节点位移。后处理过程中,程序计算了节点应力值,对于共享节点的应力程序采用各个单元计算值的平均,程序同时给出了单元最佳应力点的应力值!(This program is written in matlab. The program loads pre-processing data pro
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