CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums

Search Results

Register Blogs Community New Posts Updated Threads Search

Showing results 1 to 8 of 8
Search took 0.00 seconds. Search: Posts Made By: vkrastev
Forum: OpenFOAM Running, Solving & CFD February 8, 2011, 09:30
Replies: 69
Views: 25,731
Posted By vkrastev
This is really, really interesting...

This is really, really interesting...
Forum: OpenFOAM Running, Solving & CFD February 8, 2011, 05:00
Replies: 69
Views: 25,731
Posted By vkrastev
Really interesting explanation! However, when I...

Really interesting explanation! However, when I say that passing from 1000 to 50 cells in coarsest level (which, following your post, means lowering the size of direct solution procedure) I didn't...
Forum: OpenFOAM Running, Solving & CFD February 7, 2011, 10:11
Replies: 69
Views: 25,731
Posted By vkrastev
Well, your results are really interesting......

Well, your results are really interesting... However, my cases are slightly different (incompressible and RANS too, but 3D, with a single object placed near a solid ground and with tetra/prisms...
Forum: OpenFOAM Running, Solving & CFD February 7, 2011, 08:54
Replies: 69
Views: 25,731
Posted By vkrastev
Yes, that's my understanding too I...

Yes, that's my understanding too




I simply like informal signatures...;)
Forum: OpenFOAM Running, Solving & CFD February 7, 2011, 08:47
Replies: 69
Views: 25,731
Posted By vkrastev
Hi Felix, I've tried both PCG and GAMG as...

Hi Felix,
I've tried both PCG and GAMG as solvers for p, but my experience goes in a different direction than yours...In particular, if the relTol parameter for p starts to be quite low (I usually...
Forum: OpenFOAM Running, Solving & CFD February 7, 2011, 08:42
Replies: 69
Views: 25,731
Posted By vkrastev
As I said in the previous post, my knowledge...

As I said in the previous post, my knowledge about the GAMG (and, in general, the algebraic solvers employed for CFD problems) is far from being exhaustive...I found here in the forum a post...
Forum: OpenFOAM Running, Solving & CFD February 7, 2011, 05:28
Replies: 69
Views: 25,731
Posted By vkrastev
You are wellcome ;) I think that...

You are wellcome ;)




I think that there are some issues about the tolerances that have to be clarified: lowering a lot the absolute convergence criterion assures that if eventually the...
Forum: OpenFOAM Running, Solving & CFD February 7, 2011, 04:48
Replies: 69
Views: 25,731
Posted By vkrastev
[QUOTE=maddalena;293910]Ok, maybe this is not the...

[QUOTE=maddalena;293910]Ok, maybe this is not the right place where to post, but I hope to get some answer on a problem that is similar to what posted above...
I started this thread speaking of a...
Showing results 1 to 8 of 8

 
Forum Jump

All times are GMT -4. The time now is 05:38.

Contact Us - CFD Online - Privacy Statement - Top