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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한기계학회 Journal of Mechanical Science and Technology Journal of Mechanical Science and Technology Vol.19 No.2
- 발행연도
- 2005.2
- 수록면
- 589 - 604 (16page)
이용수
초록· 키워드
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To overcome the drawback of currently available curved beam theories having non-symmetric thin-walled cross sections, a curved beam theory based on centroid-shear center formulation is presented for the spatially coupled free vibration and elastic analysis For this, the displacement field is expressed by introducing displacement parameters defined at the centroid and shear center axes, respectively Next the elastic stram and kinetic energies considering the thickness-curvature effect and the rotary inertia of curved beam are rigorously derived by degenerating the energies of the elastic continuum to those of curved beam And then the equilibrium equations and the boundary conditions are consistently derived for curved beams having non-symmetric thin-walled cross section it is emphasized that for curved beams with L- or T-shaped sections, this thin-walled curved beam theory can be easily reduced to the solid beam theory by simply putting the sectional properties associated with warping to zero in order to illustrate the validity and the accuracy of this study, FE solutions using the Hermitian curved beam elements are presented and compared with the results by previous research and ABAQUS's shell elements.
목차
Abstract
1. Introduction
2. Curved Beam Theory Based on the Centroid-Shear Center Formulation
3. Finite Element Formulation
4. Numerical Examples
5. Conclusions
Acknowledgment
References
참고문헌 (30)
참고문헌 신청
Chucheepsakul, S and Saetiew, W, 2002, "Free Vibrations of Inclined Arches Using Finite Elements," Structural Engineering and Mechanics, Vol 13, pp 713~730
Cortinez, V H and Piovan, M T, 1999, "Out of Plane Vibrations of Thin-Walled Curved Beams Considering Shear Flexibility," Structural Engineering and Mechanics, Vol 8, pp 257~272
Dabrowski, R, 1968, Curved Thin-walled Girders (Translated from the German), Cement and Concrete Association, London
Fam, A R M and Turkstia, C, 1976, "Model Study of Horizontally Curved Box Girder," Journal of the Structural Division (ASCE), Vol 102, pp 1097~1108
Gendy, A S and Saleeb, A F, 1994, "Vibration Analysis of Coupled Extensional/Flexural/Torsional Modes of Curved Beams with Arbitrary Thin-Walled Sections," Journal of Sound and Vibration, Vol 174, pp 261~274
Cortinez, V H and Piovan, M T, 1999, "Out of Plane Vibrations of Thin-Walled Curved Beams Considering Shear Flexibility," Structural Engineering and Mechanics, Vol 8, pp 257~272
Dabrowski, R, 1968, Curved Thin-walled Girders (Translated from the German), Cement and Concrete Association, London
Fam, A R M and Turkstia, C, 1976, "Model Study of Horizontally Curved Box Girder," Journal of the Structural Division (ASCE), Vol 102, pp 1097~1108
Gendy, A S and Saleeb, A F, 1994, "Vibration Analysis of Coupled Extensional/Flexural/Torsional Modes of Curved Beams with Arbitrary Thin-Walled Sections," Journal of Sound and Vibration, Vol 174, pp 261~274
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UCI(KEPA) : I410-ECN-0101-2009-550-014473029