Journal of Advanced Research in Ocean Engineering

  • 제4권3호
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  • Pages.135-145
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  • 2018
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  • 2384-1052(pISSN)
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  • 2384-1060(eISSN)
한국해양공학회 (Korean Society of Ocean Engineers)
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CFD Application for Prediction of Ship Added Resistance in Waves

  • Kim, Byung-Soo (Department of Naval Architecture & Ocean Engineering, Seoul National University Seoul) ;
  • Kim, Yonghwan (Department of Naval Architecture & Ocean Engineering, Seoul National University Seoul)
  • 투고 : 2018.08.08
  • 심사 : 2018.09.15
  • 발행 : 2018.09.30
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초록

This paper deals with the added resistance of a ship in waves using computational fluid dynamics (CFD). The ship added resistance is one of the key considerations in the design of energy-efficient ship. In this study, the added resistance of a LNG carrier in head waves is computed using a CFD code to consider the nonlinearity and the viscous effects. The unsteady Reynolds Averaged Navier-Stokes equation (RANS) is numerically solved and the volume of fluid (VOF) approach is used to simulate the free surface flows. The length of incident wave varies from half the ship length to twice the ship length. To investigate the nonlinearity effect, both the linear wave condition and the nonlinear wave condition are considered. The heave and pitch motions are calculated along with the added resistance, and the wave contours are obtained. Grid convergence test is conducted thoroughly to achieve the converged motion and resistance values. The calculated results are compared and validated with experimental data.

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참고문헌

  1. Kim, J, O'Sullivan, J, Read, A (2012), "Ringing Analysis of a Vertical Cylinder by Euler Overlay Method", Proc 31st International Conference on Ocean, Offshore and Arctic Engineering, OMAE2012
  2. Kim, T, Yoo, S, Oh, S, Kim, HJ, Lee, D, and Kim, B (2017), "Numerical and Experimental Study on the Estimation of Added Resistance of an LNG Carrier in Waves", Proc 27th International Ocean and Polar Engineering Conference, 746-752
  3. Lee, J, Park, DM, Kim, Y (2016), "Experimental investigation on the added resistance of modified KVLCC2 hull forms with different bow shapes", Journal of Engineering for the Maritime Environment, 231(2), 395-410
  4. Peric, M (2012). "Wave Impact, Body Motion and Overset Grids in STAR-CCM+", STAR South East Asian Conference 2012
  5. Sadat-Hosseini, H, Wu, PC, Carrica, PM, Kim, H, Toda, Y, Stern, F (2013). "CFD verification and validation of added resistance and motions of KVLCC2 with fixed and free surge in short and long head waves", Ocean Engineering, 59, 240-273 https://doi.org/10.1016/j.oceaneng.2012.12.016
  6. Seo, MG, Yang, KK, Park, DM, Kim, Y (2014). "Numerical analysis of added resistance on ships in short waves", Ocean Engineering, 87, 97-110 https://doi.org/10.1016/j.oceaneng.2014.05.011
  7. Tezdogan, T, Demirel, YK, Kellett, P, Khorasanchi, M, Incecik, A, Turan, O (2015). "Full-scale unsteady RANS CFD simulations of ship behavior and performance in head seas due to slow steaming", Ocean Engineering, 97, 186-206 https://doi.org/10.1016/j.oceaneng.2015.01.011
  8. Yang, KK, Kim, Y, Nam, BW (2015). "Cartesian-grid-based computational analysis for added resistance in waves", Journal of Marine Science and Technology, 20, 155-170 https://doi.org/10.1007/s00773-014-0276-z
  9. Yang, KK, and Kim, Y (2017). "Numerical Analysis of Added Resistance on Blunt Ships with Different Bow Shapes in Short Waves", Journal of Marine Science and Technology, 22(2), 245-258 https://doi.org/10.1007/s00773-016-0407-9