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Search took 0.00 seconds. Search: Posts Made By: wyldckat
Forum: OpenFOAM Running, Solving & CFD March 23, 2014, 12:43
Replies: 37
Views: 7,874
Posted By wyldckat
Hi Baris, OK, that's the idea I was...

Hi Baris,


OK, that's the idea I was trying to indicate. Start with slow flow speed at the inlet and then gradually try with greater flow speeds, one change per run.
You could also try with a...
Forum: OpenFOAM Running, Solving & CFD March 4, 2014, 10:05
Replies: 37
Views: 7,874
Posted By wyldckat
Hi Baris, My advice is to initialize the...

Hi Baris,

My advice is to initialize the case with the same solver, but with an inlet velocity 100 to 10000 times smaller than the one you currently have. Then use changeDictionary after the case...
Forum: OpenFOAM Running, Solving & CFD March 2, 2014, 15:28
Replies: 37
Views: 7,874
Posted By wyldckat
Greetings to all! @Baris: I've taken a...

Greetings to all!

@Baris:

I've taken a quick look into your geometry and boundary conditions... are you certain the dimensions of the mesh are correct? I ask this because:


The inlet is...
Forum: OpenFOAM Running, Solving & CFD February 23, 2014, 14:18
Replies: 37
Views: 7,874
Posted By wyldckat
Hi Baris, Sometimes when there is a...

Hi Baris,


Sometimes when there is a division by a value that could be zero, it's computationally cheaper to divide by a very small value, instead of using one or several "if" expression(s) to...
Forum: OpenFOAM Running, Solving & CFD February 22, 2014, 05:43
Replies: 37
Views: 7,874
Posted By wyldckat
Hi shipman, Quoting from the header:...

Hi shipman,

Quoting from the header:...
Forum: OpenFOAM Running, Solving & CFD February 16, 2014, 13:25
Replies: 37
Views: 7,874
Posted By wyldckat
Hi shipman, Regarding the previous two...

Hi shipman,

Regarding the previous two posts, the issues seem to be:


Using a fixed deltaT can lead to problems, if you don't know how to do the math. It's best to leave it to automatically...
Forum: OpenFOAM Running, Solving & CFD January 26, 2014, 07:09
Replies: 37
Views: 7,874
Posted By wyldckat
Hi shipman, This output from checkMesh: ...

Hi shipman,

This output from checkMesh:
Overall domain bounding box (-0.006 -0.008 -2.71051e-20) (0.00194 0.007 0.00194)is telling you the left-bottommost points and the right-topmost points of...
Forum: OpenFOAM Running, Solving & CFD January 24, 2014, 18:58
Replies: 37
Views: 7,874
Posted By wyldckat
Greetings to all! I'll start by commenting...

Greetings to all!

I'll start by commenting on the concave cells topic. From my experience, there are 2 kinds of concave cells that checkMesh will complain about, then doing a full diagnostic:

...
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