| 结构非平稳随机响应分析的Newmark递推算法 |
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| 引用本文： | 缪炳祺,胡夏夏.结构非平稳随机响应分析的Newmark递推算法[J].强度与环境,1996(1):34-39. |
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| 作者姓名： | 缪炳祺 胡夏夏 |
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| 作者单位： | 浙江工业大学机械工程系!杭州310014 |
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| 摘 要： | 基于经典的Ｎｅｗｍａｒｋ响应分析算法，民出了关于结构受随机激励下非平稳响应分析的直接积分步骤。所得到的非平稳随机响应协方差矩阵计算公式是递推性的，计算效率高，易于在计算机上实现。对所导出的算法的稳定性进行了讨论，导出了稳定性准则。给出的算例表明，所导出的步骤具有比传统方法高得多的计算效率。
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| 关 键 词： | 随机振动 结构响应 数值积分 |
Recursive Newmark Algorithm for the Analysis of Nonstationary Random Structural Response |
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| Miao Bingqi, Hu Xiaxia, Xu Lishen.Recursive Newmark Algorithm for the Analysis of Nonstationary Random Structural Response[J].Structure & Environment Engineering,1996(1):34-39. |
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| Authors: | Miao Bingqi Hu Xiaxia Xu Lishen |
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| Abstract: | Based on the Newmark formulas a direct integration procedure is developed for the nonstationary response analysis of structures subjected to random excitations. The derived formulas for the computation of the nonstationary response covariance matrix are recursive and easy to implement. The stabilityof the proposed procedure is discussed. The stability criterion is given. The example given in this papershows that the introduced procedure is computationally quite efficient as compared to the conventional one. |
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| Keywords: | Rondom vibration Structural response Numerical integration |
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