|March 8, 2010, 15:15||
Dynamic mesh simulation not converging
Join Date: Jun 2009
Posts: 31Rep Power: 8
I'm currently running a dynamic wall simulation in which I'm having problems with convergence for continuity.
I'm using the unsteady solver, and in solution controls I am using PISO.
For the pressure discretization either Standard or PRESTO, and for the Momentum: second order upwind.
I'm setting up a convergence criteria of 10^-5, with a small time step compared to the displacement of the grid (6.25^-4), and before running the unsteady simulations I ran a steady simulation until convergence, and then used this for the following simulations.
Does anyone has any suggestions to improve the convergence of my simulations?
|continuity, convergence, dynamic mesh, piso|
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