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Modal truncation and the response sensitivity to harmonic excitation
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DOI：
10.7511/jslx19963046
KeyWord
:
forced vibration,harmonic excitation/modal superposition,modal truncation,response sensitivity,
Zhao Youqun
Liu Zhongsheng
Chen Suhuan
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Abstract
:
The response sensitivity of harmonic excitation is obtained by the improved modal truncation method with only the retained modes. Numerical example shows the validity and effectiveness of the present method.