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논문 기본 정보

자료유형
학술저널
저자정보
Pulngern, Tawich (Department of Civil Engineering, King Mongkut's University of Technology Thonburi) Halling, Marvin W. (Department of Civil and Environmental Engineering, Utah State University) Chucheepsakul, Somchai (Department of Civil Engineering, King Mongkut's University of Technology Thonburi)
저널정보
테크노프레스 Structural engineering and mechanics : An international journal Structural engineering and mechanics : An international journal 제19권 제4호
발행연도
2005.1
수록면
413 - 423 (11page)

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This paper presents the solution of large static deflection due to uniformly distributed self weight and the critical or maximum applied uniform loading that a simply supported beam with variable-arc-length can resist. Two analytical approaches are presented and validated experimentally. The first approach is a finite-element discretization of the span length based on the variational formulation, which gives the solution of large static sag deflections for the stable equilibrium case. The second approach is the shooting method based on an elastica theory formulation. This method gives the results of the stable and unstable equilibrium configurations, and the critical uniform loading. Experimental studies were conducted to complement the analytical results for the stable equilibrium case. The measured large static configurations are found to be in good agreement with the two analytical approaches, and the critical uniform self weight obtained experimentally also shows good correlation with the shooting method.

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