Relationships between nonlinear normal modes and response to random inputs
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- 作者：Joseph D. Schonemana ; 1 ; schoneman@wisc.edu" class="auth_mail" title="E-mail the corresponding author ; Matthew S. Allena ; 2 ; msallen@engr.wisc.edu" class="auth_mail" title="E-mail the corresponding author ; Robert J. Kuetherb ; 3 ; rjkueth@sandia.gov" class="auth_mail" title="E-mail the corresponding author
- 关键词：Nonlinear normal modes ; Geometric nonlinearity ; Random response
- 刊名：Mechanical Systems and Signal Processing
- 出版年：2017
- 出版时间：1 February 2017
- 年：2017
- 卷：84
- 期：part_PA
- 页码：184-199
- 全文大小：3357 K
文摘
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Power spectrum of a random response is linked to a structure’s nonlinear modes.
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Distribution of energy related to frequency smearing near each nonlinear mode.
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Low-order nonlinear reduced order models reveal energy transfer between modes.