Error in compressible flow
I am doing compressible flow(air) analysis.
Inlet boundary condition = velocity = 39 m/s( constant mass flux) Outlet pressure boundary = 1 bar.
After some time i am getting this error
*** WARNING #060 *** DENSITY OUT OF BOUND DUE TO PRESSURE CORRECTION AT CELL 1 DENSITY= -1.8867E+00 LIMITER APPLIED
Finally it says
"Negative densities found at more than 100 cells" RUN STOPPED.
Please give me some suggestions to sort this problem.
Re: Error in compressible flow
1) search in the forum for "Negative densities found at more than 100 cells"
2) reduce the unterrelaxation for density
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