SUMMARY Comprehensive numerical solutions of the steady state incompressible viscous flow over a three-dimensional backward-facing step up to Re = 800 are presented∗. The results are obtained by the least-squares finite clement method (LSFEM) which is based on the velocity-pressurc-vorticity formulation. The computed model is of the same size as that of Armaly's experiment. Three-dimensional phenomena are observed even at low Reynolds number. The calculated values of the prima ry reattachment length are in good agreement with experimental results.
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Jiang et al. (1995) studied this question.
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