Turbulence Modeling for Locally-Refined Free-Surface Flow Simulations in Offshore Applications

AuthorsVeldman, A.E.P., Luppes, R., Heiden, H.J.L. van der, Plas, P. van der, Helder, J.A., Bunnik, T.
Conference/JournalThe Twenty-fifth International Ocean and Polar Engineering Conference (ISOPE), Kona, Hawaii, USA
DateJun 21, 2015
To study extreme hydrodynamic wave impact in offshore and coastal engineering, the VOF-based CFD simulation tool ComFLOW is being developed. Recently, much attention has been paid to turbulence modeling and local grid refinement. In particular, a blend of a QR-model and a regularization model has been designed. The QR-model belongs to a class of modern eddy-viscosity models, where the amount of turbulent eddy viscosity is kept minimal. For validation, experiments have been carried out at MARIN.

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Tags
waves, impacts and hydrostructuralcfd developmentcfd/simulation/desk studiesrenewablesoil and gasinfrastructuremarine systemslife at seasloshingoffshore engineering