|October 10, 2003, 18:08||
backward-facing step flow(turbulent)
I am to Validate my code by solving backward-facing step flow(turbulent). i used kim et al stepflow.I found the problem so dependent to grid generation.when i change the grid of corner of step i obtain different reattachment point. I Wonder if anybody knows a good grid for backward-facing step flow.
the inlet length is 4*step height the inlet dia=2*step height and the total length is 28*step height the inlet velocity is uniform while k & eps prescribed .Re=69610
the k-eps model with wall function has been used.
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