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The dual variable method for solving fluid flow difference equations on Delaunay triangulations. (English) Zbl 0729.76047
Summary: A complementary volume discretization of the transient Navier-Stokes equations on a triangular mesh is viewed as a system defining flows on an associated network. The dual variable method transforms this primitive system into an equivalent system which is one-fifth the size of the primitive system, eliminates the pressures and yields velocities that are exactly discretely divergence free.

MSC:
76M10 Finite element methods applied to problems in fluid mechanics
76D05 Navier-Stokes equations for incompressible viscous fluids
Software:
symrcm
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