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.
초록· 키워드
오류제보하기
The high-skewed and/or composite propellers of current interests to reduce the ship vibration and to increase the acoustic performance are likely to be exposed to the unexpected structural problems. One typical example is that the added mass effect on the propellers working in the non-uniform wake field reduces the natural frequency of the propeller leading to the resonance with the low-frequency excitation of the external forces. To avoid this resonance problem during the design stage, the technique of fluid-structure interaction has been developed, but the higher-order effect of the blade geometry deformation is not yet considered in evaluating the added mass effects. In this paper the fluid boundary-value problem is formulated by the potential-based panel method in the inviscid fluid region with the velocity inflow due to the body deformation, and the structural response of the solid body under the hydrodynamic loading is solved by applying the finite element method which implements the 20-node iso-parametric element model. The fluid-structure problem is solved iteratively. A basic fluid-sturcture interaction study is performed with the simple rectangular plates of thin thickness with various planform submerged in the water of infinite extent. The computations show good correlation with the experimental results of Linholm, et al. (1965).
목차
1. 서론
2. 문제의 정식화 및 수치해석 기법
3. 수치계산 및 고찰
4. 결론
참고문헌
참고문헌 (7)
참고문헌 신청
1. [학위논문] - Hsin, C. Y. / 1990 / Development and analysis of panel methods for propellers in unsteady flow / 박사 / Massachusetts Institute of Technology
2. [학술지(정기간행물)] - James, R. M. / 1972 / On the Remarkable Accuracy of the Vortex Lattice Method / Computer Methods in Applied Mechanics 1 (1) : 59 ~ 79
3. [학술지(정기간행물)] - Kerwin, J.E. / 1978 / Prediction of steady and unsteady marine propeller performance by numerical lifting surface theory / Transactions of The Society of Naval Architects and Marine Engineers 86 : 218 ~ 253
4. [학술지(정기간행물)] - Kim, Y.G. / 1993 / Prediction of Steady Performance of a Propeller by Using a Potential-Based Panel Method / Journal of the Society of Naval Architects of Korea 30 (1) : 73 ~ 86
5. [학위논문] - Kim, Y. G. / 1995 / Prediction of unsteady performance of marine propellers with cavitation using surface panel method / 박사 / Chungnam National University
2. [학술지(정기간행물)] - James, R. M. / 1972 / On the Remarkable Accuracy of the Vortex Lattice Method / Computer Methods in Applied Mechanics 1 (1) : 59 ~ 79
3. [학술지(정기간행물)] - Kerwin, J.E. / 1978 / Prediction of steady and unsteady marine propeller performance by numerical lifting surface theory / Transactions of The Society of Naval Architects and Marine Engineers 86 : 218 ~ 253
4. [학술지(정기간행물)] - Kim, Y.G. / 1993 / Prediction of Steady Performance of a Propeller by Using a Potential-Based Panel Method / Journal of the Society of Naval Architects of Korea 30 (1) : 73 ~ 86
5. [학위논문] - Kim, Y. G. / 1995 / Prediction of unsteady performance of marine propellers with cavitation using surface panel method / 박사 / Chungnam National University
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UCI(KEPA) : I410-ECN-0101-2014-559-000336311