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Search took 0.00 seconds. Search: Posts Made By: wyldckat
Forum: OpenFOAM Running, Solving & CFD April 19, 2014, 07:01
Replies: 28
Views: 3,408
Posted By wyldckat
Greetings Lucas, As shown above, the...

Greetings Lucas,


As shown above, the problem is in the method "F2()": https://github.com/OpenFOAM/OpenFOAM-2.2.x/blob/master/src/turbulenceModels/compressible/RAS/kOmegaSST/kOmegaSST.C#L72
To...
Forum: OpenFOAM Running, Solving & CFD May 29, 2013, 17:48
Replies: 28
Views: 3,408
Posted By wyldckat
Hi Ehsan, As tired as I am, I'm trying to...

Hi Ehsan,

As tired as I am, I'm trying to figure out what to suggest. This is unfortunately waaaay beyond my level of experience.

From what I can figure out, "omega" shoots up to very high...
Forum: OpenFOAM Running, Solving & CFD May 29, 2013, 16:28
Replies: 28
Views: 3,408
Posted By wyldckat
Uhm... I have the case running in serial...

Uhm... I have the case running in serial (sequential mode) for over 600 seconds already and it hasn't crashed yet.

At which time step is it meant to crash?
Forum: OpenFOAM Running, Solving & CFD May 29, 2013, 15:41
Replies: 28
Views: 3,408
Posted By wyldckat
Hi Ehsan, I haven't looked at the test case...

Hi Ehsan,

I haven't looked at the test case yet, but from the error you've shown, it looks like the problem is that you forgot about using "-compressible".

I'll give some more feedback, once I...
Forum: OpenFOAM Running, Solving & CFD May 27, 2013, 17:04
Replies: 28
Views: 3,408
Posted By wyldckat
Hi Ehsan, As for the error you showed in...

Hi Ehsan,

As for the error you showed in that post, there was a square root of "0" or of a negative value, which is why it crashed.

There are only 2 "sqrt" in ...
Forum: OpenFOAM Running, Solving & CFD May 26, 2013, 15:59
Replies: 28
Views: 3,408
Posted By wyldckat
:confused: But "pos()" only refers to the...

:confused: But "pos()" only refers to the positions of the face centers on the patch. It does not refer to points on the whole domain.
Therefore, if the points on your patch are dynamically moving,...
Forum: OpenFOAM Running, Solving & CFD May 26, 2013, 14:59
Replies: 28
Views: 3,408
Posted By wyldckat
I forgot about the "dynamic opening" detail......

I forgot about the "dynamic opening" detail... but... then why aren't you using "min" as well?
"b=max(pos().y)-min(pos().y);"
Forum: OpenFOAM Running, Solving & CFD May 26, 2013, 14:47
Replies: 28
Views: 3,408
Posted By wyldckat
Hi Ehsan, I got your email and I've taken a...

Hi Ehsan,

I got your email and I've taken a look at the files you had sent me before.

OK, so the problem is due to a "divide" gone wrong. The expression in question is:
valueExpression...
Forum: OpenFOAM Running, Solving & CFD May 26, 2013, 07:16
Replies: 28
Views: 3,408
Posted By wyldckat
Hi Ehsan, I saw that error yesterday and...

Hi Ehsan,

I saw that error yesterday and forgot to tell you about it: it's probably due to a division by zero.
Problem is that it does not indicate where exactly this occurs. And since you have 2...
Forum: OpenFOAM Running, Solving & CFD May 25, 2013, 14:32
Replies: 28
Views: 3,408
Posted By wyldckat
Hi Ehsan, As I've told you in the past, the...

Hi Ehsan,

As I've told you in the past, the turbulence fields cannot be initialized with 0 (zero), even if they're calculated in the next iteration. In this case, you have this:
left
{ ...
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