凌道盛,徐兴.非线性自由振动的迭代响应法[J].计算力学学报,2000,17(1):63~68 |
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非线性自由振动的迭代响应法 |
A response iteration method for nonlinear free vibration |
修订日期:1998-04-19 |
DOI:10.7511/jslx20001010 |
中文关键词: 非线性 自由振动 响应分析 迭代响应法 |
英文关键词:non\|linear,free vibration,response analysis |
基金项目:国家自然科学基金!重点项目“复杂结构动力学”(编号 1 9932 0 30 ) |
凌道盛 徐兴 |
浙江大学土木系!杭州310027 |
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中文摘要: |
构造了一个考虑横向振动和板面内运动的三节点几何非线性等参环形板单元,采用迭代求响应的方法,研究了中心附有刚性质量块的非线性轴对称自由振动的频率,与已有的结果比较表明,本文的方法得到更为精确的数值结果。 |
英文摘要: |
A three node isoparameter circular element, which include the vibration in plane, and a response iteration method for nonlinear free vibration were presented in this paper. With this element and by the method the non\|linear free vibration of a circular plate with a concentric rigid mass was analyzed. The results show high precision of the method. |
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