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Forum: OpenFOAM Community Contributions February 14, 2018, 19:07
Replies: 19
Views: 13,611
Posted By gschaider
Don't hand-edit the file....

Don't hand-edit the file. -keepPatches/-valuePatches helb you with that. Just like https://openfoamwiki.net/index.php/Contrib/funkySetFields#Hot-Room_Example (section 3.2.1)
Forum: OpenFOAM Community Contributions February 7, 2018, 19:32
Replies: 19
Views: 13,611
Posted By gschaider
If the pipe-patch is of type fixedValue you sould...

If the pipe-patch is of type fixedValue you sould be fine. Look at the 0/U-file after applying funkySetFields: it now has a "value nonuniform ...". This value will be read on startup and will not...
Forum: OpenFOAM Community Contributions October 3, 2013, 12:52
Replies: 19
Views: 13,611
Posted By gschaider
My problem is that I'd have to guess the meaning...

My problem is that I'd have to guess the meaning of the letters in your equation. And what exactly is your problem?
Forum: OpenFOAM Community Contributions February 29, 2012, 18:20
Replies: 19
Views: 13,611
Posted By gschaider
The picture doesn't make it clearer for me (for...

The picture doesn't make it clearer for me (for instance: which regions should be uniform ... etc)

I don't think that the laminar/LES-questions fits the topic of this thread
Forum: OpenFOAM Community Contributions February 28, 2012, 13:41
Replies: 19
Views: 13,611
Posted By gschaider
So in a certain region you want to override the...

So in a certain region you want to override the solution? I don't endorse this kind of thing (violation of all kinds of conservation), but support it via swak4Foam (I'm that kind of irresponsible...
Forum: OpenFOAM Community Contributions February 28, 2012, 09:14
Replies: 19
Views: 13,611
Posted By gschaider
Of course. If the expression yields a uniform...

Of course. If the expression yields a uniform field ... "vector(max(pos().y),0,0)" for instance (not that it makes much sense)

Of what do you mean with "keep uniform"?
Forum: OpenFOAM Community Contributions February 28, 2012, 09:11
Replies: 19
Views: 13,611
Posted By gschaider
Ah. Sorry. Just seen that. OK. In theory you...

Ah. Sorry. Just seen that. OK. In theory you guarded against that. The problem is that the expression is evaluated for the whole domain (that's where the problem occurs) and then values are picked...
Forum: OpenFOAM Community Contributions February 27, 2012, 16:41
Replies: 19
Views: 13,611
Posted By gschaider
Have a look at the stack-traces: the problem...

Have a look at the stack-traces: the problem occurs when evaluating the logarithm. The logarithm for a negative number is undefined. If you have in your mesh cells with y<(10-0.0003) then this is the...
Forum: OpenFOAM Community Contributions February 24, 2012, 16:11
Replies: 19
Views: 13,611
Posted By gschaider
@1: Yes. cyclic is specified in the...

@1: Yes. cyclic is specified in the blockMeshDict. See the UserGuide

@2: Your question is "Do I have to create an U-file before setting the initial condition with FSF?", right? Answer: You don't...
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