Abstract
A high speed surface craft is mostly supported by hydrodynamic lift force rather than by buoyancy force. The lift force directly influences the running attitude of the surface craft such as trim and sinkage. The pressure distribution is caused by a solution of free-surface flow around the surface craft. To deal with the free-surface flow, volume-of-fluid (VOF) method has been widely used even with its disadvantages including interface smearing. In the present study, a new dynamic interface compression method is introduced to reduce interface smearing and to avoid unphysical solutions. The method was validated by the volume fraction advection test and prismatic body problem. Finally, the method was applied to simulate the running attitude and resistance of several high speed planing vessels.
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This paper was presented at the 10th ACFD, Jeju, Korea, October 2014. Recommended by Guest Editor Hyoung-Gwon Choi
Heebum Lee received his B.S. and M.S degrees from the Department of Naval Architecture and Ocean Engineering at Seoul National University, Korea, in 2008, and 2011, respectively. He is currently a Ph.D. candidate in Naval Architecture and Ocean Engineering at Seoul National University, Korea. His research interests are in areas of computational fluid dynamic, multiphase flow, and ship motion.
Shin Hyung Rhee received his B.S. and M.S degrees from the Department of Naval Architecture and Ocean Engineering at Seoul National University, Korea, in 1990, and 1992, respectively. He obtained his Ph.D. degree in Mechanical Engineering from University of Iowa, USA, in 1998. He is currently a Professor in the Department of Naval Architecture and Ocean Engineering at Seoul National University, Korea. His research interests are in the areas of computational fluid dynamics, scale model experiment and multi-phase flow.
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Lee, H., Rhee, S.H. A dynamic interface compression method for VOF simulations of high-speed planing watercraft. J Mech Sci Technol 29, 1849–1857 (2015). https://doi.org/10.1007/s12206-015-0405-6
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DOI: https://doi.org/10.1007/s12206-015-0405-6