# A problem in rhoCentralFoam

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 December 3, 2012, 07:03 A problem in rhoCentralFoam #1 Senior Member     Ehsan Join Date: Oct 2012 Location: Iran Posts: 2,209 Rep Power: 20 this error becomes appear after rhoCentralFoam run.what means "e" in this error?if it means epsilon I have set to laminar at this stage of problem. thanks for helping! fluxScheme: Kurganov Starting time loop Mean and max Courant Numbers = 97.4802 211.345 deltaT = 9.46319e-10 Time = 9.46319e-10 diagonal: Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0 diagonal: Solving for rhoUx, Initial residual = 0, Final residual = 0, No Iterations 0 diagonal: Solving for rhoUy, Initial residual = 0, Final residual = 0, No Iterations 0 swak4Foam: Allocating new repository for sampledGlobalVariables smoothSolver: Solving for Ux, Initial residual = 0.333341, Final residual = 0.00307904, No Iterations 48 smoothSolver: Solving for Uy, Initial residual = 1, Final residual = 0.00940892, No Iterations 84 diagonal: Solving for rhoE, Initial residual = 0, Final residual = 0, No Iterations 0 --> FOAM FATAL IO ERROR: keyword e is undefined in dictionary "/home/ehsan/Desktop/thesis/system/fvSolution::solvers" file: /home/ehsan/Desktop/thesis/system/fvSolution::solvers from line 22 to line 38. From function dictionary::subDict(const word& keyword) const in file db/dictionary/dictionary.C at line 461. FOAM exiting

 March 19, 2013, 09:01 #2 Member   VS Join Date: Nov 2012 Posts: 78 Rep Power: 7 Hey, i have the same problem! Did you find what to do? regards

 March 19, 2013, 10:27 #3 Senior Member     Ehsan Join Date: Oct 2012 Location: Iran Posts: 2,209 Rep Power: 20 hi type h instead of e in thermophysical file to use of enthalpy instead of internal energy let me know if it solved or any problem occured.

 March 19, 2013, 10:39 #4 Member   VS Join Date: Nov 2012 Posts: 78 Rep Power: 7 It works just fine,thanks. By the way, do you know if rhoCentralFoam has any problems with low Mach numbers ? I solved an incompressible case with icoFoam and now i'm trying to get the same results with the compressible solver,as long as my flow remains incompressible. Regards again

 March 19, 2013, 11:18 #5 Senior Member     Ehsan Join Date: Oct 2012 Location: Iran Posts: 2,209 Rep Power: 20 I'm glad it resolved. I don't think rhoCentralFoam has any trouble with low Re problems. don't have to feel any doubt about this change! anyway I'll be happy if i can help any problems. Last edited by immortality; March 29, 2013 at 02:12.

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