Wavelet-Based Response Computation for Base-Isolated Structure under Seismic Excitation | Zendy

Ding Wen-sheng | Zendy; Zhi Sun | Zendy

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Wavelet-Based Response Computation for Base-Isolated Structure under Seismic Excitation

Author(s) -

Ding Wen-sheng,

Zhi Sun

Publication year - 2014

Publication title -

journal of applied mathematics and physics

Language(s) - English

Resource type - Journals

eISSN - 2327-4379

pISSN - 2327-4352

DOI - 10.4236/jamp.2014.25020

Subject(s) - wavelet , computation , excitation , base (topology) , scale (ratio) , wavelet transform , computer science , geology , ground motion , mathematics , mathematical analysis , algorithm , physics , seismology , artificial intelligence , quantum mechanics

This paper presents a wavelet-based approach for estimating the response of the base-isolated structure under seismic ground motions. The seismic ground motion record is expressed as the multi-scale wavelet coefficients which presents the time frequency characteristics of the seismic excitation. The wavelet domain governing differential equation between the wavelet coefficients of the excitation and response is derived. Numerical study on a one-storey base isolated structure is performed. The result shows that the wavelet based response computation method is of high precision.

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