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Forum: OpenFOAM Post-Processing

January 12, 2018, 08:34

Replies: 37

Sampling lagrangian data

Views: 12,324

Posted By gschaider

That shouldn't be to hard. You could add field...

That shouldn't be to hard. You could add field dist to the dataframe similary to what I do in the presentation with distCenter. Then something like
(data["dist"] **3).sum()/(data["dist"]**2).sum()...

Forum: OpenFOAM Post-Processing

January 11, 2018, 18:45

Replies: 37

Sampling lagrangian data

Views: 12,324

Posted By gschaider

That is in post-processing I assume? You want to...

That is in post-processing I assume? You want to look at the particles inside/outside/on a cylinder-surface. You've got the particle positions in the data. So a little calculation (distance of the...

Forum: OpenFOAM Post-Processing

January 11, 2018, 16:03

Replies: 37

Sampling lagrangian data

Views: 12,324

Posted By gschaider

Format of the particle data is rather simple: in...

Format of the particle data is rather simple: in the lagrangian-folder each property has a file where the values for all particles are stored. Writing a script that strips away the start and the end...

Forum: OpenFOAM Post-Processing

October 23, 2017, 10:40

Replies: 37

Sampling lagrangian data

Views: 12,324

Posted By gschaider

In my world (which, some people say, is a strange...

In my world (which, some people say, is a strange and rather self-centered world) the easiest and most flexible way would be swak4Foam. Look for instance at this file from the examples...

Forum: OpenFOAM Post-Processing

April 8, 2009, 17:53

Replies: 37

Sampling lagrangian data

Views: 12,324

Posted By gschaider

Best example how to read/filter/rewrite...

Best example how to read/filter/rewrite lagrangian data in C++ might still be mapLagrangianFields.C in the sources of the mapFields-utility.
For myself, if there is not too much data (some thousant...

Forum: OpenFOAM Post-Processing

April 7, 2009, 08:03

Replies: 37

Sampling lagrangian data

Views: 12,324

Posted By gschaider

Hi Michael! The "best" way to postprocess...

Hi Michael!

The "best" way to postprocess the raw lagrangian data WITHOUT PROGRAMMING is:

1. start paraFoam
2. load the lagrangian data in addition to the "regular" data
3. "Split off" the...

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