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Catenary 곡면을 갖는 막구조물의 치환기법에 관한 연구
임채욱,송평훈,김승덕,송호산 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2(구조계)
Membrane structure systems and cable net structure systems are attracting people's attention as they are used in many buildings because of their light materials and airy appearances. If a membrane structure system or a cable net structure system does not have sufficiently high initial stiffness, it may be in unstable state. But if the initial stiffness is secured, the system will be in stable state. In this study the nonlinear finite element formulae for membrane and cable members considering geometric nonlinearity is derived, and then a catenary's membrane structure, and a tension membrane structure by Nass(Nonlinear Analysis for Spatial Structures) program is analyzed. The suitable scheme, which membrane structure are assigned by cable elements for overcoming the unfitted shape problem, is shown that the section of cable is assigned by element's area.