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GENSMAC: A computational marker and cell method for free surface flows in general domains. (English) Zbl 0790.76058
A computer program for solving two-dimensional incompressible viscous fluid flow in general domains is described. This is based on the simplified marker and cell technique, but it has a number of novel features. A user-supplied data file of coordinates prescribes the fluid domain which can be quite general and needs only to be connected. With a view to parallelisation the momentum equations are solved explicitly, but an automatic step-changing routine optimises the stability restriction. A conjugate gradient solver is used to invert the discrete Poisson equation. An accurate approximation to the stress conditions on the free surface is adopted.

MSC:
76M20 Finite difference methods applied to problems in fluid mechanics
76D05 Navier-Stokes equations for incompressible viscous fluids
76D33 Waves for incompressible viscous fluids
Software:
GENSMAC
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