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Forum: OpenFOAM Running, Solving & CFD

March 24, 2014, 02:54

Replies: 13

Divergent temperature in chtMultiRegion(Simple)Foam

Views: 5,279

Posted By akrasemann

The log file doesn't include an error output. But...

The log file doesn't include an error output. But your density min and max value are probably at the maximum that is allowed. This indicates some issues there.

Forum: OpenFOAM Running, Solving & CFD

March 20, 2014, 04:15

Replies: 13

Divergent temperature in chtMultiRegion(Simple)Foam

Views: 5,279

Posted By akrasemann

Hi Pam, here are my changeDictionaryDict...

Hi Pam,

here are my changeDictionaryDict files:

region cold:

/*--------------------------------*- C++ -*----------------------------------*\
| ========= | ...

Forum: OpenFOAM Running, Solving & CFD

February 4, 2014, 03:06

Replies: 13

Divergent temperature in chtMultiRegion(Simple)Foam

Views: 5,279

Posted By akrasemann

Hi Michael, Hi Olivier, thank you for your...

Hi Michael,
Hi Olivier,

thank you for your advice. Olivier was right. The pressure BC caused the trouble. The hint, to start off a laminar solution will be useful soon.

Still all the...

Forum: OpenFOAM Running, Solving & CFD

January 31, 2014, 04:44

Replies: 13

Divergent temperature in chtMultiRegion(Simple)Foam

Views: 5,279

Posted By akrasemann

Hi Olivier, thanks again for your input! ...

Hi Olivier,

thanks again for your input!

By looking at the minT values within the log file, I see that that value is oscillating but dropping in a general trend. What is interesting: the...

Forum: OpenFOAM Running, Solving & CFD

January 30, 2014, 09:55

Replies: 13

Divergent temperature in chtMultiRegion(Simple)Foam

Views: 5,279

Posted By akrasemann

Hi, I've tried now the following turbulence...

Hi,

I've tried now the following turbulence models:

kEpsilon
kOmegaSST
RNGkEpsilon
realizableKE

Forum: OpenFOAM Running, Solving & CFD

January 29, 2014, 11:05

Replies: 13

Divergent temperature in chtMultiRegion(Simple)Foam

Views: 5,279

Posted By akrasemann

Hi Oliver, thank you very much for your...

Hi Oliver,

thank you very much for your hints. Indeed the issues occur within the boundary layer. What I am surprised about is that in the 2D Wiki cases everything works fine. As soon as I use my...

Forum: OpenFOAM Running, Solving & CFD

January 29, 2014, 04:43

Replies: 13

Divergent temperature in chtMultiRegion(Simple)Foam

Views: 5,279

Posted By akrasemann

Divergent temperature in chtMultiRegion(Simple)Foam

Hi,

first of all a summary of my installed software:
Ubuntu 13.10
OpenFOAM 2.2.2
ParaView 3.12.0
enGrid 1.4.0

What I would like to achieve is a set up capable of assessing both heat...

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