期刊
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS
卷 45, 期 1, 页码 43-51出版社
JOHN WILEY & SONS LTD
DOI: 10.1002/fld.663
关键词
slip boundary condition; outflow boundary condition; curved boundaries; free-surface flows
Hydrodynamic Simulations of sloshing phenomena often involve the application of slip boundary condition at the wetted surfaces. If these surfaces are curved, the ambiguous nature of the normal vector in the discretized problem can interfere with the application Of Such a boundary condition. Even the use of consistent normal vectors, preferred from the point of view of conservation, does not assure good approximation of the continuum slip condition in the discrete problem, and non-physical recirculating flow fields may be observed. As a remedy, we consider the Navier slip condition, and more successfully, the so-called BC-firee boundary condition. Copyright (C) 2004 John Wiley Sons, Ltd.
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