基于matlab的空间梁单元刚度矩阵计算

Pang Wenjun, Wei Zhiwu
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引用次数: 1

摘要

为了解决空间梁单元刚度矩阵计算困难的问题,提高计算效率,利用MATLAB的能力符号和矩阵运算进行了工作。分别推导和计算了考虑剪切效应和不考虑剪切效应的空间梁单元刚度矩阵,并提供了计算这些矩阵的部分源代码。结果表明,MATLAB在空间梁单元刚度矩阵的计算中具有很大的优势。为计算空间梁等单元刚度矩阵提供了一种新的思路。因此,在工程上具有很好的理论和实用价值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
MATLAB-Based Calculation for Element Stiffness Matrix of Spatial Beam
In order to solve the difficulties while computing the element stiffness matrix of spatial beam and to improve its computing efficiency, works were carried out by the capabilities symbolic and matrix operation of MATLAB. The element stiffness matrixes of spatial beam with shear effect considered or not were deduced and computed respectively, a part of source code for calculating these matrices were provided as well. Results show that MATLAB is very advantageous in the calculation of element stiffness matrix of space beam. It provides a new idea to compute the element stiffness matrix of spatial beam and other elements. Thus, it has a good theoretical and practical value in engineering.
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