| 结构动应力分析的FEM-BEM耦合方法 |
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| 引用本文： | 殷学纲,黄泽好. 结构动应力分析的FEM-BEM耦合方法[J]. 振动工程学报, 1993, 6(1): 68-72 |
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| 作者姓名： | 殷学纲 黄泽好 |
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| 作者单位： | 重庆大学力学系，重庆大学力学系 重庆，630044，重庆，630044 |
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| 摘 要： | 本文提出了利用结构的有限元结点位移响应(或结点力)的计算值作为子域的边界条件,然后利用边界元方法计算子域内各瞬时的动应力的FEM-BEM耦合方法.文中给出了薄板在简谐激励下动应力响应的计算实例并与分析解进行了比较,结果表明,FEM-BEM耦合法比常规有限元法对结构动应力的计算精度有大幅度的提高.
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| 关 键 词： | 动应力 结构 有限元 边界元 |
The Coupling Method of FEM and BEM for Structural Dynamic Stress Analysis |
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| Yin Xuegang, Huang Zehao Dept. of Mechanics,Chongqing University Chongqing. The Coupling Method of FEM and BEM for Structural Dynamic Stress Analysis[J]. Journal of Vibration Engineering, 1993, 6(1): 68-72 |
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| Authors: | Yin Xuegang Huang Zehao Dept. of Mechanics Chongqing University Chongqing |
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| Affiliation: | Yin Xuegang, Huang Zehao Dept. of Mechanics,Chongqing University Chongqing,630044 |
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| Abstract: | In this paper.a coupling method of FEM and BEM (FEM-BEM2) for computation of structural dynamic stress and examples of beam and thin plate are presented. The results of examples show that the accuracy of FEM-BEM2 is much better than the accuracy of FEM. |
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| Keywords: | : finite element method boundary element method structure dynamic stress |
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