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NONSTIONARY RESPONSE OF LINEAR SYSTEM UNDER NONUNIFORMLY MODULATED RANDOM EXCITION[J]. Chinese Journal of Theoretical and Applied Mechanics, 1996, 28(1): 104-108. DOI: 10.6052/0459-1879-1996-1-1995-308
Citation: NONSTIONARY RESPONSE OF LINEAR SYSTEM UNDER NONUNIFORMLY MODULATED RANDOM EXCITION[J]. Chinese Journal of Theoretical and Applied Mechanics, 1996, 28(1): 104-108. DOI: 10.6052/0459-1879-1996-1-1995-308
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NONSTIONARY RESPONSE OF LINEAR SYSTEM UNDER NONUNIFORMLY MODULATED RANDOM EXCITION

  • 西北工业大学一般力学研究所

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  • 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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