고정 및 단순지지 경계조건 성질을 가진 다항식을 이용한 연결보의 고유진동해석
Free vibration analysis of connected beams using polynomials with simple and fixed boundary conditions
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초록
Many studies using the assumed mode method have been found for the freevibration analysis of stiffened plate with known elastic boundary conditions. However manylocal structures such as tank edges and equipment foundations consist of connectedstructures and it is very difficult to find suitable elastic boundary conditions. In this study combined polynomials which satisfy simple boundary conditions and fixedboundary conditions are proposed. The proposed method has been applied to tanks whichbounded by bulkhead and a deck. The results of this study shows good agreements withthese obtain by the FEA S/W.
Abstract
Many studies using the assumed mode method have been found for the freevibration analysis of stiffened plate with known elastic boundary conditions. However manylocal structures such as tank edges and equipment foundations consist of connectedstructures and it is very difficult to find suitable elastic boundary conditions. In this study combined polynomials which satisfy simple boundary conditions and fixedboundary conditions are proposed. The proposed method has been applied to tanks whichbounded by bulkhead and a deck. The results of this study shows good agreements withthese obtain by the FEA S/W.
참고문헌 (5)
- Chung, J.H., "Vibration Analysis of Mindlin Plates Using Polynomials Having the Property of Timoshenko Beam Functions", Journal of the Society of Naval Architects of Korea, 29(1), pp.158~172 (1992)
- Han, S.Y., "Vibration Analysis of Local Panel for the Hull Structure", Bulletin of the Society of Naval Architects of Korea, 31(3), pp.33~35 (1994)
- Han, S.Y., "Development of the Program for Vibration Analysis of Local Panel with Appendage", Proceedings of the Korean Society for Noise and Vibration Engineering Conference, pp.311~321 (2000)
- Kim, B.H., "Free Vibration Analysis of Stiffened Plates Using Polynomials Having the Property of Timoshenko Beam Functions", Proceedings of the Korean Society for Noise and Vibration Engineering Conference, pp.623~628 (2004)
- WILLIAM T. THOMSON, "Theory of Vibration with Applications", pp.360~365 (1993), Prentice Hall