Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/26766
Title: Substructural response reconstruction in wavelet domain
Authors: Li, J
Law, SS
Keywords: response reconstruction
substructure
unit impulse response function
wavelet transform
Issue Date: 2011
Publisher: American Society of Mechanical Engineers
Source: Journal of applied mechanics, 2011, v. 78, no. 4, 41010 How to cite?
Journal: Journal of applied mechanics 
Abstract: An approach for structural response reconstruction in a substructure using the unit impulse response function in the wavelet domain is presented. The forces at the interface degrees-of-freedom are taken as input excitations on the substructure. The response reconstruction is conducted by transforming the measured responses into responses at other selected locations. The response reconstruction using the proposed wavelet domain method is then compared with that from an existing frequency domain method. Numerical studies on a seven-story plane frame structure are carried out to investigate the accuracy and effectiveness of the proposed method, and the effects of influencing parameters such as the number of sampled data, sampling rate, sensor numbers, and measurement noise are studied.
URI: http://hdl.handle.net/10397/26766
ISSN: 0021-8936
EISSN: 1528-9036
DOI: 10.1115/1.4003738
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