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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.11
- 발행연도
- 2005.11
- 수록면
- 2,016 - 2,024 (9page)
이용수
초록· 키워드
오류제보하기
In this work, a mixed beam approach that combines both the stiffness and the flexibility methods has been performed to analyze the coupled composite blades with closed, two-cell cross-sections. The Reissner’s semi-complementary energy functional is used to derive the beam force-displacement relations. Only the membrane part of the shell wall is taken into account to make the analysis simple and also to deliver a clear picture of the mixed method. All the cross-section stiffness coefficients as well as the distribution of shear across the section are evaluated in a closed-form through the beam formulation. The theory is validated against experimental test data, detailed finite element analysis results, and other analytical results for coupled composite blades with a two-cell airfoil section. Despite the simple kinematic model adopted in the theory, an accuracy comparable to that of two-dimensional finite element analysis has been obtained for cases considered in this study.
목차
Abstract
1. Introduction
2. Formulation
3. Results and Discussions
4. Concluding Remarks
References
Appendix
참고문헌 (15)
참고문헌 신청
Badir, A.M, 1995, "Analysis of Two-Cell Composite Beams," Proceedings of the 36th Structures, Structural Dynamics, and Materials Conference, New Orleans, LA, Apr. 10-12, pp.419~424.
Chandra, R. and Chopra, I., 1991, "Coupled Composite Rotor Blades under Bending and Torsional Loads," AHS Specialist Meeting on Rotorcraft Structures, Williamsburg, VA, Oct. 28-31.
Chandra, R. and Chopra, I., 1992, "Structural Behavior of Two-Cell Composite Rotor Blades with Elastic Couplings," AIAA Journal, Vol.30, No.12, pp.2914~2921.
Gjelsvik, A., 1981, The Theory of Thin Walled Bars, John Wiley & Sons, Inc..
Jung, S. N., Nagaraj, V. T. and Chopra, I., 1999, "Assessment of Composite Rotor Blade Modeling Techniques," Journal of the American Helicopter Society, Vol.44, No.3, pp.188~205.
Chandra, R. and Chopra, I., 1991, "Coupled Composite Rotor Blades under Bending and Torsional Loads," AHS Specialist Meeting on Rotorcraft Structures, Williamsburg, VA, Oct. 28-31.
Chandra, R. and Chopra, I., 1992, "Structural Behavior of Two-Cell Composite Rotor Blades with Elastic Couplings," AIAA Journal, Vol.30, No.12, pp.2914~2921.
Gjelsvik, A., 1981, The Theory of Thin Walled Bars, John Wiley & Sons, Inc..
Jung, S. N., Nagaraj, V. T. and Chopra, I., 1999, "Assessment of Composite Rotor Blade Modeling Techniques," Journal of the American Helicopter Society, Vol.44, No.3, pp.188~205.
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UCI(KEPA) : I410-ECN-0101-2009-550-018231365