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NTIS 바로가기한국전산구조공학회논문집 = Journal of the computational structural engineering institute of Korea, v.29 no.5, 2016년, pp.377 - 388
이은행 (전남대학교 대학원 건설.환경공학과) , 김재민 (전남대학교 해양토목공학과) , 이상훈 (한국전력기술(주)) , 김재희 (한국전력기술(주))
This study is aimed to evaluate the embedment effect of foundation as compared to the surface foundation on the response of a base-isolated nuclear power plant structure. For this purpose, the boundary reaction method (BRM), which is a two-step frequency domain and time domain technique, is used for...
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
Hybrid 진동수-시간 영역해석은 어떤 방법인가? | 비선형 SSI 문제의 해를 구하기 위한 전통적인 방법으로는 주파수영역해석과 시간영역해석을 복합적으로 사용하는 Hybrid 진동수-시간 영역해석(Kawamoto, 1983; Bernal and Youssef, 1998) 등이 사용되어 왔다. 최근에는 DRM(domain reduction method)(Bielak et al. | |
BRM 방법은 어떤 방법인가? | 2016). BRM 방법은 진동수 영역에 기반을 둔 선형 SSI 해석과 비선형해석을 수행할 수 있는 시간영역해석을 결합하여 면진 원전구조물의 비선형 SSI 해석을 수행하는 방법이다. | |
비선형 SSI 해석을 위한 구조물 모델은 어떻게 구성되어 있는가? | 간략화된 면진 원전구조물은 Fig. 1과 같이 원자로 건물, 내부구조물, 보조건물이 하나의 집중질량 보요소로 모델링 되어 있으며, 상부구조물 밑면매트와 하부구조물 밑면매트는 입체요소로 모델링되어 있다. Table 1은 간략화된 면진 원전구조물 모델의 특성을 보이기 위한 모드해석 결과이다. |
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