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Volume 33 Issue 1
Mar.  2025
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SHENG Tao, SHI Weixing, XIE Yitong, YUAN Jun. A Modifying Method of Recorded Earthquake Ground Motion for Matching Design Response Spectrum and Peak Ground Displacement in Nuclear Power Plants[J]. Nuclear Power Engineering, 2012, 33(1): 4-8.
Citation: SHENG Tao, SHI Weixing, XIE Yitong, YUAN Jun. A Modifying Method of Recorded Earthquake Ground Motion for Matching Design Response Spectrum and Peak Ground Displacement in Nuclear Power Plants[J]. Nuclear Power Engineering, 2012, 33(1): 4-8.

A Modifying Method of Recorded Earthquake Ground Motion for Matching Design Response Spectrum and Peak Ground Displacement in Nuclear Power Plants

  • Received Date: 2010-10-26
  • Rev Recd Date: 2011-07-29
  • Available Online: 2025-03-08
  • A modification method of recorded earthquake ground motion was proposed for matching the design pseudo velocity response spectrum and target peak ground displacement in nuclear power plants.The method applies the second cardinal B-spline wavelet to decompose the recorded real records into the finite wavelet components.Then the wavelet components which mostly affect the peak ground displacement and peak ground acceleration can be searched out.By improving the wavelet-based modifying method and wave-let synthesis method,the earthquake ground motions have been modified to match the target response spec-trum and target peak values of displacement and acceleration.The results of the numerical examples demon-strate that the proposed algorithms boast high precision.

     

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