|October 15, 2014, 10:54||
reverse flow at the outlet
Join Date: Apr 2014
Posts: 8Rep Power: 3
i m working on flow past a rotationally oscillating cylinder.
and i m using udf and dynamic mesh for it. so when i m using udf file and running the calculation. it is constantly giving me reverse flow at the outlet.
and the solution doesnt converge. pls help me experts.
i extended the outlet far from the cylinder. used 2nd order upwind momentum equation.
|October 18, 2014, 00:53||
Join Date: Oct 2012
Location: IIT-Hyderabad, India
Posts: 42Rep Power: 4
Which boundary condition did you use. My guess is you have used Pressure outlet BC (given your problem is at low RE, if its a compressible flow problem, then its a different game altogether). Try using outflow instead.
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