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Showing results 1 to 6 of 6 Search took 0.00 seconds. Search: Posts Made By: RodriguezFatz

Forum: FLUENT February 21, 2013, 04:54

Replies: 13 Divergence problem Views: 12,720 Posted By RodriguezFatz But what kind of line is this? Did you paint it? ... But what kind of line is this? Did you paint it? Also I am curious why the courant number at the top, next to the needle is so high. I guess the whole top area is a pressure outlet, right? Why...

Forum: FLUENT February 21, 2013, 04:40

Replies: 13 Divergence problem Views: 12,720 Posted By RodriguezFatz 1) I don't understand the question. Do you mean,... 1) I don't understand the question. Do you mean, if a variable density can cause problems? Then, the answer is yes. 2) What do you mean by "separation line"?

Forum: FLUENT February 21, 2013, 02:57

Replies: 13 Divergence problem Views: 12,720 Posted By RodriguezFatz If you have ICEM, you could make an excellent... If you have ICEM, you could make an excellent hexa-mesh. Your geometry is really simple and blocking would be straight forward. Don't use tet meshs unless you are not able to do the blocking. They...

Forum: FLUENT February 20, 2013, 10:10

Replies: 13 Divergence problem Views: 12,720 Posted By RodriguezFatz 1) Post a picture of the Courant number shortly... 1) Post a picture of the Courant number shortly before it crashes. 2) Why do you use a prism layer at the wall? I don't think you expect any flow along that wall, right? As I understand it, a prism...

Forum: FLUENT February 20, 2013, 09:19

Replies: 13 Divergence problem Views: 12,720 Posted By RodriguezFatz I think shk is right here. It looks like the... I think shk is right here. It looks like the fluid firstly moves through a domain of "good mesh" where the solver is able to converge sufficiently, but then enters some bad cells, where the mess...

Forum: FLUENT February 20, 2013, 07:33

Replies: 13 Divergence problem Views: 12,720 Posted By RodriguezFatz 1) Does each time step converge until these... 1) Does each time step converge until these errors appear? Can you show a residual plot? 2) Did you make a solution animation? Can you see something curious in the results until the errors?

Showing results 1 to 6 of 6

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