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[Commercial meshers] Problem in running mesh imported from fluent to foam |
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October 30, 2008, 00:45 |
Problem in running mesh imported from fluent to foam
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#1 |
Member
Vishal Jambhekar
Join Date: Mar 2009
Location: University Stuttgart, Stuttgart Germany
Posts: 90
Blog Entries: 1
Rep Power: 17 |
Hi,
I have imported a mesh from Fluent to OpenFoam mesh is converted sucessfully but after i apply boundry conditions and run it i am getting following error even if the Courant Number is very small Can anyone help me in this matter: Time = 2.53e-06 Courant Number mean: 0.00019371 max: 0.0119133 diagonal: Solving for rho, Initial residual = 0, Final residual = 0, No Iterations 0 DILUPBiCG: Solving for Ux, Initial residual = 0.000946563, Final residual = 1.76591e-10, No Iterations 1 DILUPBiCG: Solving for Uy, Initial residual = 0.00203507, Final residual = 2.71693e-10, No Iterations 1 DILUPBiCG: Solving for Uz, Initial residual = 0.000729181, Final residual = 2.00435e-10, No Iterations 1 DILUPBiCG: Solving for h, Initial residual = 0.000308165, Final residual = 5.5886e-10, No Iterations 1 Maximum number of iterations exceeded#0 Foam::error::printStack(Foam:stream&) in "/home/user/OpenFOAM/OpenFOAM-1.5/lib/linux64GccDPOpt/libOpenFOAM.so" #1 Foam::error::abort() in "/home/user/OpenFOAM/OpenFOAM-1.5/lib/linux64GccDPOpt/libOpenFOAM.so" #2 Foam::hThermo<foam::puremixture<foam::consttranspo rt<foam::speciethermo<foam::hc onstthermo<foam::perfectgas> > > > >::calculate() in "/home/user/OpenFOAM/OpenFOAM-1.5/lib/linux64GccDPOpt/libbasicThermophysicalMode ls.so" #3 Foam::hThermo<foam::puremixture<foam::consttranspo rt<foam::speciethermo<foam::hc onstthermo<foam::perfectgas> > > > >::correct() in "/home/user/OpenFOAM/OpenFOAM-1.5/lib/linux64GccDPOpt/libbasicThermophysicalMode ls.so" #4 main in "/home/user/OpenFOAM/OpenFOAM-1.5/applications/bin/linux64GccDPOpt/sonicTurbFoam " #5 __libc_start_main in "/lib64/libc.so.6" #6 Foam::regIOobject::readIfModified() in "/home/user/OpenFOAM/OpenFOAM-1.5/applications/bin/linux64GccDPOpt/sonicTurbFoam " From function specieThermo<thermo>::T(scalar f, scalar T0, scalar (specieThermo<thermo>::*F)(const scalar) const, scalar (specieThermo<thermo>::*dFdT)(const scalar) const) const in file /home/dm2/henry/OpenFOAM/OpenFOAM-dev/src/thermophysicalModels/specie/lnInclude/ specieThermoI.H at line 78. FOAM aborting Aborted user@zeus10:~/OpenFOAM/Vishal/run/Fluent/Mesh_Fluent>
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Cheers, Vishal Jambhekar... "Simulate the way ahead......!!!" |
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February 4, 2009, 04:15 |
Hi Vishal Jambhekar
This
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#2 |
Guest
Posts: n/a
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Hi Vishal Jambhekar
This is Venkatesh here i created NACA0012 airfoil in Gambit exportted into fluent .Now i need to convert FluentToFoam convversion.But i am not getting it so can u please suggest the way to convvert fluent file into Foam format to compare the result of fluent and openGoam |
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February 6, 2009, 11:05 |
Have you scaled your mesh whil
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#3 |
Senior Member
Rishi .
Join Date: Mar 2009
Posts: 149
Rep Power: 17 |
Have you scaled your mesh while importing it from fluent?
check wiki on how to scale: http://openfoamwiki.net/index.php/Fluent3DMeshToFoam Courant number is dependent on dt and dx. So my guess is tweaking one of them will bring the courant number to desired level. dx can be tweaked while importing the mesh fluent3DMeshtoFoam fluent.msh -scale 0.001 dt can be tweaked in system/controlDict file deltaT |
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