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Forum: OpenFOAM Programming & Development

August 9, 2017, 02:46

Replies: 16

Particle induced turbulence model - kEpsilon with additional source

Views: 1,684

Posted By a.weber

hmm not really.... unfortunately all coupled...

hmm not really....
unfortunately all coupled forces are summed up there.
so i save only the drag in an additional parcel property... (you could just take the "user" property for testing purpose)
...

Forum: OpenFOAM Programming & Development

August 8, 2017, 09:59

Replies: 16

Particle induced turbulence model - kEpsilon with additional source

Views: 1,684

Posted By a.weber

if I call parcel.work(), a temp field is created...

if I call parcel.work(), a temp field is created with values uniform 0.

template<class CloudType>
inline const Foam::tmp<Foam::volScalarField>
Foam::KinematicCloud<CloudType>::work() const
{
...

Forum: OpenFOAM Programming & Development

August 8, 2017, 09:39

Replies: 16

Particle induced turbulence model - kEpsilon with additional source

Views: 1,684

Posted By a.weber

its set to uniform 0 at the start of every time...

its set to uniform 0 at the start of every time step since you only want to have the work from the current step in your source.

Forum: OpenFOAM Programming & Development

April 28, 2017, 03:46

Replies: 16

Particle induced turbulence model - kEpsilon with additional source

Views: 1,684

Posted By a.weber

I made a copy of src_intermediate and added the...

I made a copy of src_intermediate and added the code to the kinematicParcel. Also made a copy of turbulenceModels and added stuff there.
Then just recompile with the modded src files.

Forum: OpenFOAM Programming & Development

October 5, 2016, 07:49

Replies: 16

Particle induced turbulence model - kEpsilon with additional source

Views: 1,684

Posted By a.weber

Hi, jep, this error was resolved in...

Hi,

jep, this error was resolved in http://bugs.openfoam.org/view.php?id=1556

Just look at the OpenFOAM-2.4/dev version, there everything is working:...

Forum: OpenFOAM Programming & Development

July 30, 2015, 10:11

Replies: 16

Particle induced turbulence model - kEpsilon with additional source

Views: 1,684

Posted By a.weber

Hello again. After some Testing, i found a...

Hello again.
After some Testing, i found a little problem, when solving with mpirun.
The code runs without problems on a single node, but when it comes to multiprocessor runs I get an error.

As...

Forum: OpenFOAM Programming & Development

July 28, 2015, 10:03

Replies: 16

Particle induced turbulence model - kEpsilon with additional source

Views: 1,684

Posted By a.weber

ready! Now I have it working. A Pfleger Becker...

ready!
Now I have it working. A Pfleger Becker K Epsilon Turbulence Model.

If anyone is interested, just leave a reply.

Forum: OpenFOAM Programming & Development

July 27, 2015, 08:24

Replies: 16

Particle induced turbulence model - kEpsilon with additional source

Views: 1,684

Posted By a.weber

Update: Since the paper suggests to only take the...

Update: Since the paper suggests to only take the drag-force into account, i will change to another solution:

I'm adding a drag vector to the particles variable list, which will allow me to also...

Forum: OpenFOAM Programming & Development

July 21, 2015, 05:40

Replies: 16

Particle induced turbulence model - kEpsilon with additional source

Views: 1,684

Posted By a.weber

Particle induced turbulence model - kEpsilon with additional source

Hello everyone,

since i am working on a euler-lagrangian simulation of bubblecolumns, i stumbled over some papers concerning bubble (or particle) induce turbulence models.
One of them (seems to...

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