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Forum: OpenFOAM Running, Solving & CFD July 23, 2010, 10:18
Replies: 20
Views: 9,259
Posted By JasonG
Yes, looking at the plot I think I could have...

Yes, looking at the plot I think I could have killed it after 200-500 iterations which would be 20-40mins :).
Forum: OpenFOAM Running, Solving & CFD July 23, 2010, 10:01
Replies: 20
Views: 9,259
Posted By JasonG
Thanks again, this has been very helpful. I am...

Thanks again, this has been very helpful. I am relieved to know this case will not require 3 days to run :).
Forum: OpenFOAM Running, Solving & CFD July 23, 2010, 09:53
Replies: 20
Views: 9,259
Posted By JasonG
I thought the solution couldn't be assumed...

I thought the solution couldn't be assumed converged until the tolerance set is met, is a steady mean residual over time more important than hitting the tolerance?
Forum: OpenFOAM Running, Solving & CFD July 23, 2010, 09:09
Replies: 20
Views: 9,259
Posted By JasonG
I was also wondering if it might be appropriate...

I was also wondering if it might be appropriate to loosen up on my pressure and maybe velocity tolerance. For these initial stages I am attempting to show comparative pressure drops between designs,...
Forum: OpenFOAM Running, Solving & CFD July 23, 2010, 08:24
Replies: 20
Views: 9,259
Posted By JasonG
Here is the output generated from the above...

Here is the output generated from the above command:


Build : 1.7.0-279cc8e8233b
Exec : checkMesh -allTopology -allGeometry
Date : Jul 23 2010
Time : 08:21:33
Host : jason-desktop...
Forum: OpenFOAM Running, Solving & CFD July 22, 2010, 21:11
Replies: 20
Views: 9,259
Posted By JasonG
I left the solution to run over night at work,...

I left the solution to run over night at work, but decided to restart it on my home pc. So far, it is very very slowly dropping the residual; much like the icoFoam did just before it went unstable. ...
Forum: OpenFOAM Running, Solving & CFD July 22, 2010, 15:45
Replies: 20
Views: 9,259
Posted By JasonG
Right now it is at Time= 180, but the residuals...

Right now it is at Time= 180, but the residuals are slowly dropping. I think for now I'll let it solve through in the background for a bit and see if it reaches convergence, attached are some...
Forum: OpenFOAM Running, Solving & CFD July 22, 2010, 15:29
Replies: 20
Views: 9,259
Posted By JasonG
Wow, thanks alot! Yes, I know I am only running...

Wow, thanks alot! Yes, I know I am only running on a core 2 duo with 5gb of ram, but felt 2 days was a bit much!
Forum: OpenFOAM Running, Solving & CFD July 22, 2010, 14:41
Replies: 20
Views: 9,259
Posted By JasonG
Thanks again, I am going to give that a try on...

Thanks again, I am going to give that a try on simplified passage.
Forum: OpenFOAM Running, Solving & CFD July 22, 2010, 13:57
Replies: 20
Views: 9,259
Posted By JasonG
Thank you for the suggestion. I was thinking...

Thank you for the suggestion. I was thinking about simpleFoam, but I know my current flow regime is certainly laminar. If I set the turbulence to "off", will I still need to specify the other...
Forum: OpenFOAM Running, Solving & CFD July 22, 2010, 13:06
Replies: 20
Views: 9,259
Posted By JasonG
Also, is there a simple way to specify boundary...

Also, is there a simple way to specify boundary conditions to a face based on a local coordinate system. The inlet face is not perfectly aligned with the global Cartesian, but I suppose I could...
Forum: OpenFOAM Running, Solving & CFD July 22, 2010, 13:04
Replies: 20
Views: 9,259
Posted By JasonG
Finally starting to explore OpenFOAM, questions on icoFoam solver...

I have finally began exploring OpenFOAM, and trying to evaluate if the software will meet my needs in terms of functionality. I plan to attend one of the future training courses, but in the mean...
Showing results 1 to 12 of 12

 
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