First results of the study of a two-dimensional numerical wave tank in viscous fluid are presented in this paper. Navier-Stokes equations are solved by an original fully-coupled solver to compute unsteady, incompressible free surface flows in viscous fluid by second order finite difference schemes. Exact non-linear free surface boundary conditions and moving grid technique are used. Generation and propagation of waves in a tank are simulated. A numerical damping method has been used for wave absorption at the outlet boundary. First comparisons with experiments show a good agreement for waves with an moderate steepness.
Numerical simulation of a two-dimensional wave tank in viscous fluid
1998
8 Seiten, 23 Quellen
Aufsatz (Konferenz)
Englisch
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