선박의 파랑 중 부가저항에 대한 실험과 수치계산의 비교 연구
Systematic Experimental and Numerical Analyses on Added Resistance in Waves
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초록
This paper considers experimental and numerical studies on added resistance in waves. As the numerical methods, three differentmethods, strip method, Rankine panel method and Cartesian-grid method, are applied. The computational results of vertical motionresponse and added resistance are compared with the experimental data of Series 60(CB=0.8) hull, S175 containership and KVLCC2 hull. To investigate the influence of above-still water hull form, a Rankine panel method is extended to two nonlinear methods:weakly-nonlinear and weak-scatterer approaches. As nonlinear computational models, three ships are considered: original KVLCC2 hull,'Ax-bow' and 'Leadge-bow' hulls. Two of the three models are modified hull forms of original KVLCC2 hull, aiming the reduction ofadded resistance. The nonlinear computational results are compared with linear results, and the improvement of computational result isdiscussed. As experimental approach, a series of towing-tank experiment for ship motions and added resistance on the three models(original KVLCC2 hull, 'Ax-bow' and 'Leadge-bow') are carried out. For the original KVLCC2 hull, uncertainty analysis in themeasurement of vertical motion response and added resistance is performed in three waves conditions: λ/L=0.5, 1.1, 2.0. From theexperimental results, the effects of hull form on added resistance are discussed.
Abstract
This paper considers experimental and numerical studies on added resistance in waves. As the numerical methods, three differentmethods, strip method, Rankine panel method and Cartesian-grid method, are applied. The computational results of vertical motionresponse and added resistance are compared with the experimental data of Series 60(CB=0.8) hull, S175 containership and KVLCC2 hull. To investigate the influence of above-still water hull form, a Rankine panel method is extended to two nonlinear methods:weakly-nonlinear and weak-scatterer approaches. As nonlinear computational models, three ships are considered: original KVLCC2 hull,'Ax-bow' and 'Leadge-bow' hulls. Two of the three models are modified hull forms of original KVLCC2 hull, aiming the reduction ofadded resistance. The nonlinear computational results are compared with linear results, and the improvement of computational result isdiscussed. As experimental approach, a series of towing-tank experiment for ship motions and added resistance on the three models(original KVLCC2 hull, 'Ax-bow' and 'Leadge-bow') are carried out. For the original KVLCC2 hull, uncertainty analysis in themeasurement of vertical motion response and added resistance is performed in three waves conditions: λ/L=0.5, 1.1, 2.0. From theexperimental results, the effects of hull form on added resistance are discussed.
참고문헌 (36)
- Choi, Y.R, "An Analysis of Second-Order Wave Forces on Floating Bodies by using a Higher-Order Boundary Element Method", Ocean Engineering, 28, pp.117~138 (2000)
- Chun, H. H., "On the Added Resistance of SWATH Ships in Waves", Transactions of the Society of Naval Architects of Korea, 29(4), pp.75~86 (1992)
- Faltinsen, O.M, "Prediction of resistance and propulsion of a ship in a seaway", Proceeding of 13th Symposium on Naval Hydrodynamics (1980)
- Fang, M. C., "On the Nonlinear Hydrodynamic Forces for a Ship Advancing in Waves", Ocean Engineering, 33(16), pp.2119~2134 (2006)
- Fonseca, N., "Experimental Investigation of the Nonlinear Effects on the Vertical Motions and Loads of a Containership in Regular Waves", Journal of Ship Research, 48(2), pp.118~147 (2004)
- Fujii, H., "Experimental study on the resistance increase of a ship in regular oblique waves", Proceeding of the 14th ITTC, pp.351~360 (1975)
- Gerritsma, J., "Analysis of the Resistance Increase in Waves of a Fast Cargo Ship", International Shipbuilding Progress, 19(217), pp.285~293 (1972)
- Hu, C., "Numerical and experimental studies on three-dimensional water on deck with a modified wigley model", 9th International Conference on Numerical Ship Hydrodynamics (2007)
- International Organization for Standardization, "Guide to the Expression of Uncertainty in Measurements", International Organization for Standardization, ~ (1995)
- International Towing Tank Conference, "Seakeeping Experiments (7.5-02-07-02.1), ITTC-Recommended Procedures and Guidelines", International Towing Tank Conference (2011)
- International Towing Tank Conference, "Prediction of Power Increase in Irregular Waves from Model Test (7.5-02-07-02.2). ITTC–Recommended Procedures", International Towing Tank Conference (2011)
- Joncquez, S. A. G., "Second-order forces and moments acting on ships in waves", 박사, pp.2009
- Experiments and calculations on four Wigley hull forms, "Journee, J. M. J.", Delft University, ~, pp.Delft University of Technology Report 0909-DUT-92 (1992)
- Kihara, H., "Numerical Analysis of the Influence of Above-Water Bow Form on Added Resistance Using Nonlinear Slender Body Theory", Journal of Ship Research, 49(3), pp.191~206 (2005)
- 김용환, "시간영역 랜킨 패널법에 의한 선박 부가저항의 수치해석", 대한조선학회 논문집, 47(3), pp.398~409 (2010), 대한조선학회
- Kim, K.H, "Numerical Study on Added Resistance of Ships by using a Time-domain Rankine Panel Method", Ocean Engineering, 38(13), pp.1357~1367 (2011)
- Kim, K.H., "Numerical Analysis on Added Resistance of Ships", International Journal of Offshore and Polar Engineering, 21(1), pp.21~29 (2012)
- Kuroda, M., "Investigation on Components of Added Resistance in Short Waves", Journal of the Japan Society of Naval Architects and Ocean Engineers, 8, pp.171~176 (2008)
- Kuroda, M, "Study on the Bow Shapes Above the Waterline in View of the Powering and Greenhouse Gas Emission in Actual Seas", Journal of Engineering for the Maritime Environment, 226(1), pp.23~35 (2011)
- Kwon, Y. J., "A Research on the Added Resistance Due to Wave Reflection", Journal of the Society of Naval Architects of Korea, 24(1), pp.35~41 (1987)
- Lee, J.H., "Study on the effects of hull form on added resistance", The 12th International Symposium on Practical Design of Ships and Other Floating Structures, pp.329~337 (2013)
- Maruo, H., "Wave resistance of a ship in regular head seas, Bulletin of the Faculty of Engineering", Yokohama National University, 9, pp.73~91 (1960)
- Maruo, H., "Calculation of Added Resistance in Head Waves by Means of a Simplified Formula", Journal of the Society of Naval Architects of Japan, 140, pp.136~141 (1976)
- Nakamura, S, "Propulsive Performance of a Containership in Waves", Journal of the Society of Naval Architects of Japan, 15, pp.24~48 (1977)
- Orihara, H., "Evaluation of Added Resistance in Regular Incident Waves by Computational Fluid Dynamics Motion Simulation using an Overlapping Grid System", Journal of Marine Science and Technology, 8(2), pp.47~60 (2003)
- 박동민, "부가저항 실험의 불확실성 연구", 대한조선학회 논문집, 51(5), pp.396~408 (2014), 대한조선학회
- Salvesen, N., "Ship Motions and Sea Loads", Society of Naval Architects and Marine Engineers Transactions, 78, pp.250~287 (1970)
- User Manual of NIIRID, "Sclavounos, P. D.", MIT, ~ (1985)
- 서민국, "약한 비선형성을 고려한 선박의 선형에 따른 부가저항 비교분석", 대한조선학회 논문집, 50(1), pp.49~58 (2013), 대한조선학회
- Seo, M.G, "Numerical Analysis of Added Resistance on Ships in Short Waves", Ocean Engineering, 97, pp.97~110 (2014)
- Storm-Tejsen, J, "Added Resistance in Waves", Society of Naval Architects and Marine Engineers Transactions, 81, pp.250~279 (1973)
- Tsujimoto, M, "A Practical Correction Method for Added Resistance in Waves", Journal of the Japan Society of Naval Architects and Ocean Engineers, 8, pp.141~146 (2008)
- Visonneau, M., "Ship motions in moderate and steep waves with an interface capturing method", 8th International Conference on Hydrodynamics, pp.485~491 (2008)
- Xiao, F., "A Simple Algebraic Interface Capturing Scheme Using Hyperbolic Tangent Function", International Journal for Numerical Methods in Fluids, 48(9), pp.1023~1040 (2005)
- 양경규, "직교격자 기반 수치기법을 이용한 선박의 대변위 운동해석", 대한조선학회 논문집, 49(6), pp.461~468 (2012), 대한조선학회
- Yokoi, K., "Efficient Implementation of THINC Scheme : A Simple and Practical Smoothed VOF Algorithm", Journal of Computational Physics, 226(2), pp.1985~2002 (2007)