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Search: Posts Made By: Tobermory
Forum: OpenFOAM Post-Processing July 6, 2021, 09:11
Replies: 26
Views: 1,953
Posted By Tobermory
That makes sense Claudio, and from your...

That makes sense Claudio, and from your experiences above it seems to reinforce the idea that it is only useful for kinematic solvers., i.e. principally the incompressible solvers, to convert from...
Forum: OpenFOAM Post-Processing July 2, 2021, 03:41
Replies: 26
Views: 1,953
Posted By Tobermory
Great post Claudio - thanks for taking the time...

Great post Claudio - thanks for taking the time to write all of the above. One of the things that I love about this forum is that you get to discuss topics with Engineers from different backgrounds...
Forum: OpenFOAM Post-Processing June 30, 2021, 05:08
Replies: 26
Views: 1,953
Posted By Tobermory
Dear Juan to unpick how hRef is used, you...

Dear Juan

to unpick how hRef is used, you need to dig into the interFoam coding a little. In createFields.H there are the lines:

#include "readhRef.H"
#include "gh.H"


The first just...
Forum: OpenFOAM Post-Processing June 29, 2021, 16:51
Replies: 26
Views: 1,953
Posted By Tobermory
Hey - I like the test case - what a great idea! ...

Hey - I like the test case - what a great idea!

Where is the origin in your model? If the origin (z=0) is on the black line, then it makes total sense that p and p_rgh are identical along the...
Forum: OpenFOAM Post-Processing June 29, 2021, 04:35
Replies: 26
Views: 1,953
Posted By Tobermory
Dear Claudio Can I ask - did you look at...

Dear Claudio

Can I ask - did you look at this link: https://www.openfoam.com/documentation/guides/latest/doc/guide-applications-solvers-variable-transform-p-rgh.html? The quantity p_rgh is used...
Forum: OpenFOAM Post-Processing June 28, 2021, 10:44
Replies: 26
Views: 1,953
Posted By Tobermory
Dear Claudio ... I don't want to be...

Dear Claudio ... I don't want to be confrontational, but I am afraid that you are mistaken.

The coding in pEqn.H, that I pointed kakila to, is the pressure-correction coding that is widely used...
Forum: OpenFOAM Post-Processing June 25, 2021, 17:00
Replies: 26
Views: 1,953
Posted By Tobermory
Aah, okay. No, p is the static pressure...

Aah, okay. No, p is the static pressure (although sometimes it is kinematic, i.e. p/rho). If you want convincing, take a look at the pEqn.H in any of the solvers and you'll see that that must be...
Forum: OpenFOAM Post-Processing June 25, 2021, 09:49
Replies: 26
Views: 1,953
Posted By Tobermory
Help me out here - you want the static pressure...

Help me out here - you want the static pressure from your interFoam run, right? What's wrong with the static pressure in the time folder, ie p? Why do you want to calculate it? What am I missing?
Forum: OpenFOAM Post-Processing June 24, 2021, 17:42
Replies: 26
Views: 1,953
Posted By Tobermory
Sometimes you need to run postProcess from within...

Sometimes you need to run postProcess from within the solver, eg if the data you are dealing with is created within the solver and is not just one of the standard fields. Maybe try running:
...
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