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Search: Posts Made By: oswald
Forum: OpenFOAM Running, Solving & CFD September 9, 2020, 03:31
Replies: 27
Views: 1,789
Posted By oswald
I don't think that there are major issues with...

I don't think that there are major issues with your case setup. Why do you think that your results are not right?


The rise in p's initial residuals might come from the 2-way-coupling with the...
Forum: OpenFOAM Running, Solving & CFD September 4, 2020, 08:24
Replies: 27
Views: 1,789
Posted By oswald
Strange... There is one thing I realised just...

Strange... There is one thing I realised just now: As the case is 2D, the gradient dispersion model behaves a little different:
// In 2D calculations the -grad(k) is always
// away from...
Forum: OpenFOAM Running, Solving & CFD September 3, 2020, 10:56
Replies: 27
Views: 1,789
Posted By oswald
Thanks for providing the additional information. ...

Thanks for providing the additional information.


I think the dispersion model works just as it is intended. GradientDispersionRAS.H states that "The velocity is perturbed in the direction of...
Forum: OpenFOAM Running, Solving & CFD September 3, 2020, 05:21
Replies: 27
Views: 1,789
Posted By oswald
Did you compare your case to the same case...

Did you compare your case to the same case without dispersion activated? Is there no difference or is there little difference? If there is only little difference, maybe your TKE is just too small to...
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