한국압력기기공학회 논문집 (Transactions of the Korean Society of Pressure Vessels and Piping)

한국압력기기공학회 (Korean Society of Pressure Vessels and Piping)
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Residual Vector를 이용한 시간이력해석의 잔여모드 응답 고려 방법

Consideration of residual mode response in time history analysis using residual vector

  • 변창호 (한국전력기술 원자로설계개발단) ;
  • 이한걸 (한국전력기술 원자로설계개발단) ;
  • 김정용 (한국전력기술 원자로설계개발단)
  • 투고 : 2021.11.19
  • 심사 : 2021.12.20
  • 발행 : 2021.12.31
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초록

The mode superposition time history analysis method is commonly used in a seismic analysis. The maximum response in the time history analysis can be derived by combining the responses of individual modes. The residual mode response is the response of the modes which are not considered in the time history analysis. In this paper, the residual vector method to consider the residual mode response in the time history analysis is introduced and evaluated. Seismic analyses for a sample structure model and a reactor vessel model are performed to evaluate the residual vector method. The analysis results show that residual mode response is well calculated when the residual vector method is used. It is confirmed that the residual vector method is useful and acceptable to consider the residual mode response in a seismic analysis of the nuclear power plant equipment.

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과제정보

본 논문은 한국에너지기술평가원(KETEP)의 지원으로 수행한 연구과제(No.20193110100020)의 결과입니다.

참고문헌

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