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simulationType Laminar but RASProperties file included |
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October 24, 2015, 17:57 |
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#21 | ||
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Bruno Santos
Join Date: Mar 2009
Location: Lisbon, Portugal
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Hi Nikola,
Sorry for the really late reply. I've had this post of yours on my to-do list and only today did I finally take a look into this. Quote:
Quote:
Using the symmetry plane is mostly an alternative to using the boundary condition "slip", which sort-of represents infinity in the sense of "well, everything else beyond this boundary is identical in profile (gradient) to whatever is acting on this surface". It's in contrast to defining a zero gradient boundary condition, which enforces that the value on the face is identical to the cell centre, which means that enforces a constraint that can affect the results in an unwanted way, sort of like bending the tip of a straw. Best regards, Bruno |
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July 14, 2017, 08:43 |
Error in OF 1606+ Windows version
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#22 |
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Amod Kumar
Join Date: Jan 2010
Location: Delhi, India
Posts: 39
Rep Power: 16 |
Hello,
I downloaded the file and run Allrun which worked file. The chtMultiRegionSimpleFoam erred. Following is the terminal message - a bit difficult to debug for non-programmers Any comment! Thanks! [ofuser@default planeWall2D]$ chtMultiRegionSimpleFoam /*---------------------------------------------------------------------------*\ | ========= | | | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | | \\ / O peration | Version: v1606+ | | \\ / A nd | Web: www.OpenFOAM.com | | \\/ M anipulation | | \*---------------------------------------------------------------------------*/ Build : v1606+ Exec : chtMultiRegionSimpleFoam Date : Jul 14 2017 Time : 11:40:00 Host : "default" PID : 451 Case : /home/ofuser/workingDir/of_Simu/planeWall2D nProcs : 1 sigFpe : Enabling floating point exception trapping (FOAM_SIGFPE). fileModificationChecking : Monitoring run-time modified files using timeStampMaster allowSystemOperations : Allowing user-supplied system call operations // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // Create time Create fluid mesh for region bottomAir for time = 0 Create fluid mesh for region topAir for time = 0 Create solid mesh for region wall for time = 0 *** Reading fluid mesh thermophysical properties for region bottomAir Adding to thermoFluid Selecting thermodynamics package { type heRhoThermo; mixture pureMixture; transport const; thermo hConst; equationOfState perfectGas; specie specie; energy sensibleEnthalpy; } #0 Foam::error:rintStack(Foam::Ostream&) in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so" #1 Foam::sigFpe::sigHandler(int) in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so" #2 ? in "/lib64/libc.so.6" #3 Foam::heRhoThermo<Foam::rhoThermo, Foam:ureMixture<Foam::constTransport<Foam::speci es::thermo<Foam::hConstThermo<Foam:erfectGas<Foa m::specie> >, Foam::sensibleEnthalpy> > > >::calculate() in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/lib/libfluidThermophysicalModels.so" #4 Foam::rhoThermo::addfvMeshConstructorToTable<Foam: :heRhoThermo<Foam::rhoThermo, Foam:ureMixture<Foam::constTransport<Foam::speci es::thermo<Foam::hConstThermo<Foam:erfectGas<Foa m::specie> >, Foam::sensibleEnthalpy> > > > >::New(Foam::fvMesh const&, Foam::word const&) in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/lib/libfluidThermophysicalModels.so" #5 Foam::autoPtr<Foam::rhoThermo> Foam::basicThermo::New<Foam::rhoThermo>(Foam::fvMe sh const&, Foam::word const&) in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/lib/libfluidThermophysicalModels.so" #6 Foam::rhoThermo::New(Foam::fvMesh const&, Foam::word const&) in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/lib/libfluidThermophysicalModels.so" #7 ? in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/bin/chtMultiRegionSimpleFoam" #8 __libc_start_main in "/lib64/libc.so.6" #9 ? in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/bin/chtMultiRegionSimpleFoam" Floating point exception |
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July 15, 2017, 02:21 |
Update: on previous post
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#23 |
Member
Amod Kumar
Join Date: Jan 2010
Location: Delhi, India
Posts: 39
Rep Power: 16 |
Hello,
Please ignore my previous post on this thread Without knowing what the error was, I tried to combine the information available at http://openfoamwiki.net/index.php/Ge..._-_planeWall2D and tutorial folder chtMultiRegionFoam/multiRegionHeater. This time I was able to successfully make the runs. Further, I have tried to explain the insight I got into the problem in the attached file. Hope this will help and any error/suggestions would be highly appreciated. Regards, Amod |
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July 15, 2017, 02:34 |
File upload again
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#24 |
Member
Amod Kumar
Join Date: Jan 2010
Location: Delhi, India
Posts: 39
Rep Power: 16 |
It seems the file did not get uploaded as the file size exceed limit. Even zipping did not work. I have attached 3 files.
The PDF can be downloaded from here http://www.cfdyna.com/Home/OpenFOAM/...RegionFoam.pdf |
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