Visualisation of velocityFilmShell results

Tobermory · February 21, 2022, 11:43

I ran the inclinedPlaneFilm tutorial in the new v2112 release, and then tried to visualise the results .. eg the film thickness. However, when I fire up paraview, all I can see are the U and p fields, i.e. the volume fields.

So, how do I visualise the faMesh fields, eg hf_film etc.? Presumably I need to do some additional conversion/pp'ing ... I cannot see any documentation about the faModels, other than the news release in: https://www.openfoam.com/news/main-n...er-and-physics. Any hints would be appreciated - thanks.

Tobermory · February 21, 2022, 13:14

Okay - I figured it out eventually. One way, at least is to run foamToVTK to convert the data, and then load this into paraview. The thing that tripped me up was that you need to use a -finite-area flag to force it to output the film data files, else it will just ignore them.

PS - apologies for posting this in the wrong channel - it should really be in the PostProcessing channel, but I ca't move it now.

olesen · February 21, 2022, 14:13

Quote:

Originally Posted by Tobermory

Okay - I figured it out eventually. One way, at least is to run foamToVTK to convert the data, and then load this into paraview. The thing that tripped me up was that you need to use a -finite-area flag to force it to output the film data files, else it will just ignore them.

PS - apologies for posting this in the wrong channel - it should really be in the PostProcessing channel, but I ca't move it now.

Maybe should flip the logic and convert finiteArea unless disabled with -no-finite-area?
If you think so, drop it into a GitLab issue for tracking.
Thanks

Tobermory · February 21, 2022, 14:37

Yes - I like your idea Mark. Surely the number of cases where you'd run an area model but then not be interested in postprocessing the results must be small. I'll drop it as a suggestion. Thanks.

February 21, 2022, 11:43	Visualisation of velocityFilmShell results	#1
Tobermory Senior Member Join Date: Apr 2020 Location: UK Posts: 669 Rep Power: 14	I ran the inclinedPlaneFilm tutorial in the new v2112 release, and then tried to visualise the results .. eg the film thickness. However, when I fire up paraview, all I can see are the U and p fields, i.e. the volume fields. So, how do I visualise the faMesh fields, eg hf_film etc.? Presumably I need to do some additional conversion/pp'ing ... I cannot see any documentation about the faModels, other than the news release in: https://www.openfoam.com/news/main-n...er-and-physics. Any hints would be appreciated - thanks.

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February 21, 2022, 13:14		#2
Tobermory Senior Member Join Date: Apr 2020 Location: UK Posts: 669 Rep Power: 14	Okay - I figured it out eventually. One way, at least is to run foamToVTK to convert the data, and then load this into paraview. The thing that tripped me up was that you need to use a -finite-area flag to force it to output the film data files, else it will just ignore them. PS - apologies for posting this in the wrong channel - it should really be in the PostProcessing channel, but I ca't move it now.

February 21, 2022, 14:37		#4
Tobermory Senior Member Join Date: Apr 2020 Location: UK Posts: 669 Rep Power: 14	Yes - I like your idea Mark. Surely the number of cases where you'd run an area model but then not be interested in postprocessing the results must be small. I'll drop it as a suggestion. Thanks.