Direct Input Method of Seismic Acceleration Time History for Nuclear Power Plant Reactor Analysis

Wu Shijian; Shang Ertao; Jin Ting; Liu Pan; Nie Zhaoyu

doi:10.13832/j.jnpe.2018.04.0093

Volume 39 Issue 4

Aug. 2018

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Article Navigation > Nuclear Power Engineering > 2018 > 39(4): 93-96

Wu Shijian, Shang Ertao, Jin Ting, Liu Pan, Nie Zhaoyu. Direct Input Method of Seismic Acceleration Time History for Nuclear Power Plant Reactor Analysis[J]. Nuclear Power Engineering, 2018, 39(4): 93-96. doi: 10.13832/j.jnpe.2018.04.0093

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Wu Shijian, Shang Ertao, Jin Ting, Liu Pan, Nie Zhaoyu. Direct Input Method of Seismic Acceleration Time History for Nuclear Power Plant Reactor Analysis[J]. Nuclear Power Engineering, 2018, 39(4): 93-96. doi: 10.13832/j.jnpe.2018.04.0093

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Direct Input Method of Seismic Acceleration Time History for Nuclear Power Plant Reactor Analysis

doi: 10.13832/j.jnpe.2018.04.0093

China Nuclear Power Design Company, Shenzhen, Guangdong, 518000, China

Received Date: 2017-07-03
Rev Recd Date: 2018-03-15

Abstract

Abstract

Based on ANSYS12.1, this paper studies the direct input method of a seismic acceleration. This method can avoid the numerical error produced by two times of numerical integral and also avoid the Rayleigh damping force produced by large mass method. Through the theoretical analysis and numerical calculation, the direct input method of a seismic acceleration is checked and compared with the direct displacement excitation method, the uniform acceleration excitation method and the large mass method. The results show that the direct input method of a seismic acceleration can be applied in practical engineering calculation.
- Seismic acceleration excitation,
- Rayleigh damping,
- Large mass method（LMM）

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