Computationally Efficient Seismic Risk Analysis for Nuclear Energy Facilities
37th Annual CNS-CNA Student Conference - 2013 June 11

Presented at:
37th Annual CNS-CNA Student Conference
2013 June 11
Toronto, Canada
Session Title:
Student Conference Session

Wang Zhaoliang (University of Waterloo)
Ni Shunhao (University of Waterloo)
Xie Wei-Chau (University of Waterloo)
Pandey Mahesh D. (University of Waterloo)


A simplified Vector-valued Seismic Risk Analysis (VSRA) approach is developed for nuclear energy facilities. The seismic hazard model from Vector-valued Probabilistic Seismic Hazard Analysis is simplified based on Vector-valued Seismic Hazard Deaggregation (VSHD). Numerical integrations in the standard formulation of vector-valued PSHA are then avoided. Ground motion parameters used for further structural analysis can be obtained directly from the result of VSHD. Numerical results show that the proposed approach greatly improves the efficiency of seismic risk analysis without losing computational accuracy and resorting to extensive PSHA from seismologists.

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