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논문 기본 정보

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학술저널
저자정보
Xu, Rui (College of Aerospace Science and Engineering, National University of Defense Technology) Li, DongXu (College of Aerospace Science and Engineering, National University of Defense Technology) Liu, Wang (College of Aerospace Science and Engineering, National University of Defense Technology) Jiang, JianPing (College of Aerospace Science and Engineering, National University of Defense Technology) Liao, YiHuan (College of Aerospace Science and Engineering, National University of Defense Technology) Wang, Jie (College of Aerospace Science and Engineering, National University of Defense Technology)
저널정보
테크노프레스 Structural engineering and mechanics : An international journal Structural engineering and mechanics : An international journal 제54권 제6호
발행연도
2015.1
수록면
1,045 - 1,059 (15page)

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Form-finding for cable-membrane structures is a delicate operation. During the last decades, the force density method (FDM) was considered to be an efficient method to address the problem. Many researchers were devoted to improving this method and proposed many methods such as natural force density method (NFDM), improved nonlinear force density method (INFDM), et al. In this paper, a modified nonlinear force density method (MNFDM) is proposed. In this method, the stresses of membrane elements were transformed to the force-densities of cable nets by an equivalent relationship, and then they can be used as initial conditions. By comparing with the forming finding results by using the FDM, NFDM, INFDM and MNFDM, it had demonstrated that the MNFDM presented in this paper is the most efficient and precise.

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