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Viscous‐inviscid coupling in free surface ship flows
Author(s) -
Campana E.,
Di Mascio A.,
Esposito P. G.,
Lalli F.
Publication year - 1995
Publication title -
international journal for numerical methods in fluids
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 112
eISSN - 1097-0363
pISSN - 0271-2091
DOI - 10.1002/fld.1650210902
Subject(s) - inviscid flow , hull , free surface , wake , mechanics , computation , potential flow , reynolds number , flow (mathematics) , viscous flow , mathematics , geometry , geology , marine engineering , physics , engineering , algorithm , turbulence
Abstract An application of multidomain decomposition to the computation of the steady free surface flow past a ship hull is presented. Viscous effects are taken into account in the neighbourhood of solid walls and in the wake by the Reynolds averaged Navier‐Stokes equations, whereas the assumption of irrotationality in the external flow allows a description by a potential model. Free surface boundary conditions have been implemented in a linearized form at the undisturbed waterplane. Suitable matching conditions are enforced at the interface between the viscous and the potential regions. The numerical results obtained for two merchant ship forms (the HSVA tanker and the Series 60 hull) are compared with experimental data available in the literature.