| 基于虚拟激励法的消能减震结构随机响应分析 |
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| 引用本文： | 何晴光,杜永峰,程选生.基于虚拟激励法的消能减震结构随机响应分析[J].西北地震学报,2008,30(4):366-368. |
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| 作者姓名： | 何晴光 杜永峰 程选生 |
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| 作者单位： | 兰州理工大学防震减灾研究所,甘肃兰州,730050 |
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| 基金项目： | 国家自然科学基金
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| 摘 要： | 基于虚拟激励法推导了用于具有非比例阻尼特征的消能减震结构在随机地震激励下计算其响应功率谱的一般解答.该法避免了复模态方法的复数运算,可高效地求出响应功率谱和均方响应.算例验证分析说明该方法符合工程经验,具有很高的计算效率.
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| 关 键 词： | 消能减震 随机振动 虚拟激励法 |
Random Response for Energy Dissipation Structure Based on the Pseudo Excitation Method |
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| HE?Qing-guang,DU?Yong-feng and CHENG?Xuan-sheng.Random Response for Energy Dissipation Structure Based on the Pseudo Excitation Method[J].Northwestern Seismological Journal,2008,30(4):366-368. |
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| Authors: | HE?Qing-guang DU?Yong-feng and CHENG?Xuan-sheng |
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| Institution: | Institute?of?Earthquake?Protection?and?Disaster?Mitigation,?Lanzhou?Univ.?of?Tech.;Institute?of?Earthquake?Protection?and?Disaster?Mitigation,?Lanzhou?Univ.?of?Tech.;Institute?of?Earthquake?Protection?and?Disaster?Mitigation,?Lanzhou?Univ.?of?Tech. |
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| Abstract: | With the pseudo excitation method appling in non-proportional damped energy dissipation structure , the higher accuracy numerical algorithm for response power spectrum is developed. The algorithm avoid complex mode operation. Numerical example showes the algorithm accord with engineering. |
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| Keywords: | Energy dissipation Random vibration Pseudo excitation method |
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