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Zhang Yushan, Zhao Fengxin. 2014: Validation of non-stationary ground motion simulation method based on Hilbert transform. Acta Seismologica Sinica, 36(4): 686-697. DOI: 10.3969/j.issn.0253-3782.2014.04.014
Citation: Zhang Yushan, Zhao Fengxin. 2014: Validation of non-stationary ground motion simulation method based on Hilbert transform. Acta Seismologica Sinica, 36(4): 686-697. DOI: 10.3969/j.issn.0253-3782.2014.04.014
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Validation of non-stationary ground motion simulation method based on Hilbert transform

  • China Earthquake Disaster Prevention Center, Beijing 100029, China

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  • Received Date: December 07, 2013
  • Revised Date: March 18, 2014
  • Published Date: June 30, 2014
    Graphical Abstract
    • Abstract
  • The non-stationary ground motion simulation method based on Hilbert transform can generate a series of artificial ground motion samples that possess the non-stationary characteristics similar to the given natural ground motion. The effectiveness of this method in simulating the time-domain waveform features and the time-frequency distribution of energy of the natural ground motion has been validated. In this paper, based on the elastic-plastic seismic responses of ideal single-degree-of-freedom system, the effectiveness of this method in simulating the impacts of the natural ground motion on structures are validated. The results show that, the method can simulate well the engineering properties of natural ground motions, and the structural elastic-plastic seismic responses evoked by the ground motion samples generated by this method have the similar characteristics to the responses caused by natural ground motion.
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