Seismic Analysis of Nuclear Power Equipment Related to Design

원전기자재 설계와 관련된 내진해석

  • 이우형 (수중운동체특화연구센터) ;
  • 조종래 (한국해양대학교 기계정보공학부) ;
  • 노민식 (수중운동체특화연구센터) ;
  • 류정형 ((주)케이티중공업)
  • Received : 2010.07.05
  • Accepted : 2011.01.02
  • Published : 2011.03.01


We use the finite element method to analyze the seismic design of a liquid storage tank for a polar crane at a nuclear power plant. We obtained the natural frequency and vibration modes by modal analysis, and we evaluated the seismic stability by response spectrum analysis. Furthermore, the seismic analysis of the tank was accomplished by analyzing not only the forces applied to the wall by the sloshing of the liquid, but also the safe-shutdown earthquake condition for the tank. We propose a seismic-design process and a seismic-analysis method for liquid storage tanks based on the commercial finite element analysis program, ANSYS.


Seismic Analysis;Polar Crane;Spectrum;Sloshing;Finite Element Method


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  1. Seismic and Structure Analysis of a Temporary Rack Construction in a Nuclear Power Plant vol.35, pp.10, 2011,
  2. Theoretical Seismic Analysis of Butterfly Valve for Nuclear Power Plant vol.36, pp.9, 2012,