Turbulent free-surface flow around a Wigley hull using the slightly compressible flow formulation |
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| Authors: | Cosmin Ciortan Juan Wanderley C Guedes Soares |
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| Institution: | aUnit of Marine Technology and Engineering, Technical University of Lisbon, Instituto Superior Técnico, Av. Rovisco Pais, 1049-001 Lisboa, Portugal;bFederal University of Rio de Janeiro, Ilha do Fundão, Rio de Janeiro, Brazil |
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| Abstract: | The slightly compressible flow formulation is applied to the free-surface, three-dimensional turbulent flow around a Wigley hull. Two turbulence models (large eddy simulation and Baldwin–Lomax) are used and compared. The simulation conditions are the ones for which experimental and numerical results exist. The computational grid is built using an algebraic grid generator with the model fixed in space. The codes use the interface-capturing technique for computing the free-surface displacements and the Beam and Warming scheme for marching in time the numerical model. The results compare well with the experimental data available. |
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| Keywords: | CFD Slightly compressible formulation Free-surface Navier– Stokes equations Turbulence |
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