科研之友
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摘要
In the present study, an effective analysis framework is developed for generating the floor response spectra (FRS) of nuclear power plants based on the explicit time-domain method (ETDM), an efficient approach recently proposed for nonstationary random vibration analysis of large-scale complex structures. The FRS obtained by the present approach are fully consistent with the code-specified ground response spectra (GRS), and the problems encountered in the traditional time-history method and direct spectra-to-spectra method can be completely avoided. The FRS of a real nuclear power plant are generated to demonstrate the feasibility of the proposed method to engineering practice.
