지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한기계학회 Journal of Mechanical Science and Technology Journal of Mechanical Science and Technology Vol.20 No.6
- 발행연도
- 2006.6
- 수록면
- 849 - 863 (15page)
이용수
초록· 키워드
오류제보하기
IBM (Immersed Boundary Method) with feedback momentum forcing was applied to stationary and moving bodies. The capability of IBM to treat the obstacle surfaces, especially with moving effect has been tested for two dimensional problems. Stationary and oscillating cylinders were simulated by using IBM based on finite volume method with Cartesian coordinates. For oscillating cylinder, lateral and vertical motions are considered, respectively. Present results such as time histories of drag and lift coefficients for both stationary and oscillating cases are in good agreement with previous numerical and experimental results. Also, the instantaneous wake patterns of oscillating cylinder with different oscillating frequency ratios well represented those of previous researches. More feasibility study for IBM has been carried out to two oscillating cylinders. Drag and lift coefficients are presented for two cylinders oscillating sinusoidally with phase difference of 180˚.
목차
Abstract
1. Introduction
2. Computational Details
3. Results
4. Conclusions
Acknowledgments
References
참고문헌 (25)
참고문헌 신청
Chakrabarti, S. K. 1987, "Hydrodynamics of Offshore Structures," Computational Mechanics Publications.
Dütsch, H., Durst, F., Becker, S. and Lienhart, H., 1998, "Low-Reynolds-number Flow around an Oscillating Circular Cylinder at Low Keulegan-Carpenter Numbers," J. Fluid Mech., Vol.360, pp.247~271.
Fadlun, E. A., Verzicco, R., Orlandi, P. and Mohd- Yusof, J., 2000, "Combined Immersed Boundary Finite-Difference Methods for Three-Dimensional Complex Flow Simulations," J. Comput. Phys., 161, pp.35~60.
Goldstein, D., Handler, R. and Sirovich, L., 1993, "Modeling a No-Slip Boundary with an External Force Field," J. Comput. Phys., 105.
Goldstein, D., Handler, R. and Sirovich, L., 1995, "Direct Numerical Simulation of Turbulent Flow over a Modeled Riblet-Covered Surface," J. Fluid. Mech., 302, pp.333~376.
Dütsch, H., Durst, F., Becker, S. and Lienhart, H., 1998, "Low-Reynolds-number Flow around an Oscillating Circular Cylinder at Low Keulegan-Carpenter Numbers," J. Fluid Mech., Vol.360, pp.247~271.
Fadlun, E. A., Verzicco, R., Orlandi, P. and Mohd- Yusof, J., 2000, "Combined Immersed Boundary Finite-Difference Methods for Three-Dimensional Complex Flow Simulations," J. Comput. Phys., 161, pp.35~60.
Goldstein, D., Handler, R. and Sirovich, L., 1993, "Modeling a No-Slip Boundary with an External Force Field," J. Comput. Phys., 105.
Goldstein, D., Handler, R. and Sirovich, L., 1995, "Direct Numerical Simulation of Turbulent Flow over a Modeled Riblet-Covered Surface," J. Fluid. Mech., 302, pp.333~376.
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