Seismic Response Simulation of Nuclear Power Plant

Recent strong earthquakes attacking some Japanese nuclear power plants such as Niigataken-Chuetsu-Oki earthquake of 6.8 Mw on July 16, 2007 as well as the Great East Japan Earthquake of 9.0 Mw on March 11, 2011 recalled the importance of seismic design of nuclear power plants seriously. Here, the computational mechanics and simulation are only possible approach that gives us the ability to predict complicated future scenarios and to take measures accordingly. In this chapter, we first describe the current simulation methodologies of nuclear power plants under seismic events and their problems. Then we explain the recent advances in seismic simulation of nuclear power plants and discuss the challenges to realize disaster prevention by using cutting-edge simulation technologies.

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