| MATLAB在动力方程求解中的应用 |
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| 引用本文： | 蔡世东,蔡朝霞,张妮妮.MATLAB在动力方程求解中的应用[J].广西工学院学报,2006,17(1):74-76,80. |
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| 作者姓名： | 蔡世东 蔡朝霞 张妮妮 |
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| 作者单位： | 1. 广西平果铝建筑安装有限公司,广西,百色,531400
2. 广西大学土木建筑工程学院,广西,南宁,530004 |
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| 摘 要： | 针对目前的动力方程求解多采用数值分析法,其软件编程量大、计算机运行效率较低、准确性较差,故运用状态空间法描述受到地震等外力作用结构的动力方程,采用MATLAB中的lsim函数进行仿真分析求解,并给出了算例分析.其分析结果表明采用MATLAB能够更为有效、准确地求解动力方程.
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| 关 键 词： | 状态空间法 MATLAB lsim 动力方程求解 |
| 文章编号： | 1004-6410（2006）01-0074-03 |
| 收稿时间： | 2005-12-28 |
| 修稿时间： | 2005-12-28 |
Application of MATLAB in the solution of dynamic equation |
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| CAI Shi-dong,CAI Zhao-xia,ZHANG Ni-ni.Application of MATLAB in the solution of dynamic equation[J].Journal of Guangxi University of Technology,2006,17(1):74-76,80. |
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| Authors: | CAI Shi-dong CAI Zhao-xia ZHANG Ni-ni |
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| Affiliation: | 1. Construct And Install Limited Company of Pingguo Aluminum Group, Pingguo 531400,China; 2. College of Civil Engineering and Architecture,Guangxi University,Nanning 530004, China |
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| Abstract: | At present,the numerical analysis method is mainly used to solve the dynamic equation.Its work on the programming is large,the process of computer is less efficient and the accuracy of results is less precise.The dynamic equation of the structure under external force such as earthquake is described by the state-space method,and simulated dynamically by using lsim function in MATLAB.A practical example is illustrated and shows that the solution of dynamic equation can be effectively and more accurately analyzed by MATLAB. |
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| Keywords: | state-space model MATLAB lsim solution of dynamic equation |
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