| 结构有限元模型刚度矩阵修正问题中的矩阵逼近 |
| |
| 引用本文： | 叶明.结构有限元模型刚度矩阵修正问题中的矩阵逼近[J].常熟理工学院学报,2008,22(8):11-14. |
| |
| 作者姓名： | 叶明 |
| |
| 作者单位： | 常熟理工学院,数学系,江苏,常熟,215500 |
| |
| 摘 要： | 针对结构有限元模型修正问题中一类无阻尼结构动力模型提出了对刚度矩阵的修正方法，方法在理论上保证解的存在唯一性，并具有可操作性强，计算量小的特点，实例表明了算法的可靠性．
|
| 关 键 词： | 结构模型修正 反问题 矩阵逼近 |
Matrix Approximation in Stiffness Matrix Updating |
| |
| YE Ming.Matrix Approximation in Stiffness Matrix Updating[J].Journal of Changshu Institute of Technology,2008,22(8):11-14. |
| |
| Authors: | YE Ming |
| |
| Institution: | YE Ming ( Department of Mathematics, Changshu Institute of Technology, Changshu 215500,China) |
| |
| Abstract: | In this paper,we present a new method for updating the stiffness matrix in finite-element structure without any damping.The stiffness matrix corrected by the method is well defined.The method is of such specification as easier process and less computation.Its reliability is demonstrated with an example. |
| |
| Keywords: | stuctural model updating inverse problem matrix's best approximation |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
