Hi Ordinary, were you able to identify the issue with your simulation? I am working with chtMultiRegionFoam. I am just trying to simulate the compressible flow of air within two hotplates. It is a 2D Simulation.
I tried to run a dummy case, in order to understand if the solver is running.
PIMPLE
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I am getting the same result as you.
PIMPLE algorithm finds no convergences defined for all regions and It shifts to PISO. And finally a Floating Point error.
I rechecked my boundary conditions.
Can anyone help me understand what can be the issue? I am very new to OpenFoam.
Please Find my logFile:
PHP Code:
/*---------------------------------------------------------------------------*\ ========= | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox \\ / O peration | Website: [url]https://openfoam.org[/url] \\ / A nd | Version: 7 \\/ M anipulation | \*---------------------------------------------------------------------------*/ Build : 7-1ff648926f77 Exec : chtMultiRegionFoam Date : May 28 2020 Time : 12:18:33 Host : "test-VBox" PID : 26212 I/O : uncollated Case : /home/test/OpenFOAM/hotpipe2D nProcs : 1 sigFpe : Enabling floating point exception trapping (FOAM_SIGFPE). fileModificationChecking : Monitoring run-time modified files using timeStampMaster (fileModificationSkew 10) allowSystemOperations : Allowing user-supplied system call operations
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // Create time
Create fluid mesh for region Air for time = 0
Create solid mesh for region solid1 for time = 0
Create solid mesh for region solid2 for time = 0
*** Reading fluid mesh thermophysical properties for region Air
Adding to thermoFluid
Selecting thermodynamics package { type heRhoThermo; mixture pureMixture; transport const; thermo hConst; equationOfState perfectGas; specie specie; energy sensibleEnthalpy; }
Adding to rhoFluid
Adding to UFluid
Adding to phiFluid
Adding to gFluid
Adding to hRefFluid
Adding to ghFluid
Adding to ghfFluid
Adding to turbulenceFluid
Selecting turbulence model type laminar Selecting laminar stress model Stokes Adding to reactionFluid
Combustion model not active: combustionProperties not found Selecting combustion model none Adding to radiationFluid
Radiation model not active: radiationProperties not found Selecting radiationModel none Adding to KFluid
Adding to dpdtFluid
Adding to fieldsFluid
Adding MRF
No MRF models present
Adding fvOptions
*** Reading solid mesh thermophysical properties for region solid1
Adding to thermos
Selecting thermodynamics package { type heSolidThermo; mixture pureMixture; transport constIso; thermo hConst; equationOfState rhoConst; specie specie; energy sensibleEnthalpy; }
Adding to radiations
Radiation model not active: radiationProperties not found Selecting radiationModel none Adding fvOptions
*** Reading solid mesh thermophysical properties for region solid2
Adding to thermos
Selecting thermodynamics package { type heSolidThermo; mixture pureMixture; transport constIso; thermo hConst; equationOfState rhoConst; specie specie; energy sensibleEnthalpy; }
Adding to radiations
Radiation model not active: radiationProperties not found Selecting radiationModel none Adding fvOptions
PIMPLE: Region Air PIMPLE: No convergence criteria found
PIMPLE: Region solid1 PIMPLE: No convergence criteria found
PIMPLE: Region solid2 PIMPLE: No convergence criteria found
PIMPLE: Operating solver in transient mode with 1 outer corrector PIMPLE: Operating solver in PISO mode
#0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::sigFpe::sigHandler(int) at ??:? #2 ? in "/lib/x86_64-linux-gnu/libc.so.6" #3 Foam::divide(Foam::Field<double>&, Foam::UList<double> const&, Foam::UList<double> const&) at ??:? #4 Foam::operator/(Foam::UList<double> const&, Foam::UList<double> const&) at ??:? #5 ? in "/opt/openfoam7/platforms/linux64GccDPInt32Opt/bin/chtMultiRegionFoam" #6 ? in "/opt/openfoam7/platforms/linux64GccDPInt32Opt/bin/chtMultiRegionFoam" #7 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #8 ? in "/opt/openfoam7/platforms/linux64GccDPInt32Opt/bin/chtMultiRegionFoam" Floating point exception (core dumped)
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