Generation of Earthquake Ground Motions Preserving Non-Stationary Characteristics for Nuclear Power Plants
34th Annual CNS Conference - 2013 June 09-12


Presented at:
34th Annual CNS Conference
2013 June 09-12
Location:
Toronto, Canada
Session Title:
Safety & Licencing 2

Authors:
Shunhao (Sean) Ni (Candu Energy Inc.)
Wei-Chau Xie (University of Waterloo)
Mahesh Pandey (University of Waterloo)
Wei Liu (Candu Energy Inc.)
Homayoun Abrishami (Candu Energy Inc.)
  

Abstract

A new approach for generating a set of tri-directional earthquake time-histories compatible with the target seismic design spectra for nuclear energy facilities based on multiple sets of actual earthquake records is presented. The tri-directional spectrum-compatible earthquake time-histories are generated by using the Hilbert-Huang transform (HHT) and solving optimization problems. The generation procedure can preserve the non-stationary characteristics of the seed actual earthquake records.

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