| 非均匀调制随机激励下系统的非平稳响应分析 |
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| 引用本文： | 张天舒,方同,孙木楠.非均匀调制随机激励下系统的非平稳响应分析[J].力学学报,1996,28(1):104-108. |
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| 作者姓名： | 张天舒 方同 孙木楠 |
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| 作者单位： | 西北工业大学一般力学研究所 |
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| 摘 要： | 基于时域复模态分析，提出一种非均匀调制随机激励下系统非平稳响应特性的解析解法，用Ｎｉｉｇａｔａ地震激励模型作了说明．算例与仿真结果吻合良好．
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| 关 键 词： | 复模态分析，非均匀调制随机激励，非平稳响应 |
NONSTIONARY RESPONSE OF LINEAR SYSTEM UNDER NONUNIFORMLY MODULATED RANDOM EXCITION |
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| Zhang Tianshu, Fang Tong, Sun Munan.NONSTIONARY RESPONSE OF LINEAR SYSTEM UNDER NONUNIFORMLY MODULATED RANDOM EXCITION[J].chinese journal of theoretical and applied mechanics,1996,28(1):104-108. |
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| Authors: | Zhang Tianshu Fang Tong Sun Munan |
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| Abstract: | Based on the time domain complex modal analysis, an analytical method for finding m.s. response of a time-invariant system under nonuniformly modulated random excitation is suggested. The method is illustrated by an example of a nonstationary response problem subjected to Niigata earthquake excitation. The numerical results obtained coincide very well with simulation results. |
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| Keywords: | complex modal analysis nonuniformly modulated random excitation nonstationary response |
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