Sudden expansion problem
I'm just started to use STAR-CD, so can you reply eazly? Thanks alot ^^
Model is Sudden expansion problem Pressure boundary condition inlet : pressure(high(75atm)) oulet : pressure(low(1atm)) I used two user subroutine, 1: densit.f (respect to pressure and temperature(not ideal gas)) coteet.f (H(T,DEN) and T(H,DEN)) I runned the program but divergence In .info file, there are two warning every time step. *** WARNING #042 *** PROCESS NOT FULLY CONVERGED -- EQ.,NIT,RESI: PCOR 1 0.28258E-09 *** WARNING #043 *** MINIMUM RESIDUAL AT THE END, RETURNING NON-CONVERGED SOLUTION Please tell me why it occurred !! Thanks your attention |
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