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안정수렴법을 이용한 불규칙 형상 하이브리드 구조시스템의 기하학적 비선형 동적해석
한상을(Han Sang-Eul),고현석(Koh Hyun-Seok),최현식(Choi Hyun-Sik) 대한건축학회 2007 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.27 No.1
Cable-domes are representative of Hybrid structures. For their material properties and pretensions, they can generate large deformation which shows geometrical non-linearity. Because cable domes are flexible structures whose stiffness and self-weight are very small, when carry out dynamic analysis, wind loads is more dominant than seismic loads. Cable-domes are composed of Closed shape like Seoul Olympic Gymnasium and open(irregular) shape like Busan Asiad Main Stadium as cable-dome's shape. So, we analyzed these behavior character of two shapes at this study. And the analysis method for solving nonlinear finite element equations is modified Newton-Raphson method. And for dynamic analysis method is Stiffly Stable Method which is based on backward-difference. Then compare its convergence criteria with Newmark-beta method.
풍하중을 받는 개방형 하이브리드 돔 구조시스템의 동적 거동 특성
한상을(Han Sang-Eul),고현석(Koh Hyun-Seok) 대한건축학회 2008 大韓建築學會論文集 : 構造系 Vol.24 No.8
Cable-domes are representative of Hybrid structures. For their material properties and pretensions, they can generate large deformation which shows geometrical non-linearity. Because Hybrid structures are flexible structures whose stiffness and self-weight are very small, when carry out dynamic analysis, wind load is more dominant than seismic load. Hybrid structures are composed of closed shape like Seoul Olympic Gymnasium and open(irregular) shape like Busan Asiad Main Stadium as cable-dome's shape. Thus, we analyze these behavior character of the open-shapes at this study, and the analysis method for solving nonlinear finite element equations is modified Newton-Raphson method. Furthermore, for dynamic analysis method is Stiffly Stable Method which is based on backward-difference. Then, we compare its convergence criteria with Newmark-β method, and we find out dynamic behavior characteristics when it comes to member force, when some cable members such as upper or lower diagonal cables and upper or lower inner ring cables are broken.