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Forum: OpenFOAM Running, Solving & CFD

October 4, 2017, 06:10

Replies: 10

chtMultiRegionSimpleFoam case crashes on first time step

Views: 3,567

Posted By Tobi

The density field is calculated in the...

The density field is calculated in the thermodynamic library. E.g. rhoThermo.C. However, the write option in the thermodynamic classes are in general set toIOobject::NO_WRITE and thus the field is...

Forum: OpenFOAM Running, Solving & CFD

October 4, 2017, 04:31

Replies: 10

chtMultiRegionSimpleFoam case crashes on first time step

Views: 3,567

Posted By Tobi

Hi, you have to distinguish between...

Hi,

you have to distinguish between incompressible and compressible solvers. In incompressible solvers, the density is a constant value. Thus we can put it out of the derivatives and the pressure...

Forum: OpenFOAM Running, Solving & CFD

September 28, 2017, 08:37

Replies: 10

chtMultiRegionSimpleFoam case crashes on first time step

Views: 3,567

Posted By Tobi

Hi all, I changed my reply a bit and want to...

Hi all,

I changed my reply a bit and want to refer to this bug report:

https://bugs.openfoam.org/view.php?id=2663

and the related commit:
...

Forum: OpenFOAM Running, Solving & CFD

September 28, 2017, 07:21

Replies: 10

chtMultiRegionSimpleFoam case crashes on first time step

Views: 3,567

Posted By Tobi

Hi all, the error messages you both get should...

Hi all,
the error messages you both get should be related to a non-sense setups. The iteration amount of 1001 (or crash - segmentation fault) is normally the sign of non-physical boundary...

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