Abstract
The artificial compressibility algorithm for incompressible flows is applied to an unstructured grid method. It is based on a finite volume cell-vertex upwind technique and uses a time-marching procedure to efficiently solve the continuity equations as well as the momentum equations. The Lower-Upper Symmetric Gauss-Seidel(LU-SGS)approximate factorization scheme is implemented with the Navier-Stokes solver on arbitrary three-dimensional unstructured grid. Numerical simulation is performed for steady and unsteady incompressible flow problems, 2-D wake of cylinder, 3-D stenosed tube and branched tube.
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