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Showing results 1 to 8 of 8 Search took 0.00 seconds. Search: Posts Made By: RodriguezFatz

Forum: FLUENT May 24, 2013, 01:51

Replies: 19 Error: Divergence detected in AMG solver: pressure correction Views: 8,725 Posted By RodriguezFatz I only use ICEM hexa / blocking... maybe others... I only use ICEM hexa / blocking... maybe others can help here.

Forum: FLUENT May 15, 2013, 03:02

Replies: 19 Error: Divergence detected in AMG solver: pressure correction Views: 8,725 Posted By RodriguezFatz I would go for a constant number first. If the... I would go for a constant number first. If the error is caused by the mesh you want to keep the simulations as short as possible for debugging.

Forum: FLUENT May 15, 2013, 02:15

Replies: 19 Error: Divergence detected in AMG solver: pressure correction Views: 8,725 Posted By RodriguezFatz k-omega is simple, yes. Reynolds-stress would be... k-omega is simple, yes. Reynolds-stress would be complicated for example... Do you have unsteady boundary conditions or why do you want to finally run it time dependent?

Forum: FLUENT May 14, 2013, 07:56

Replies: 19 Error: Divergence detected in AMG solver: pressure correction Views: 8,725 Posted By RodriguezFatz From the few pictures it looks like your prism... From the few pictures it looks like your prism mesh is really coarse and skewed. Go to ICEM and let ICEM show you the bad spots. Then improve the mesh until the skewness is better. Also I would try...

Forum: FLUENT May 14, 2013, 07:38

Replies: 19 Error: Divergence detected in AMG solver: pressure correction Views: 8,725 Posted By RodriguezFatz It is hard to emagine how this could work... I... It is hard to emagine how this could work... I use hexa meshes only. Maybe you should start a thread in the ICEM / Meshing forum!? Could you upload the geometry or is it restricted by copyright?

Forum: FLUENT May 14, 2013, 07:27

Replies: 19 Error: Divergence detected in AMG solver: pressure correction Views: 8,725 Posted By RodriguezFatz Hi, Fluent stores variables in the cell centers.... Hi, Fluent stores variables in the cell centers. Therefore, I think the number of cells is the relevant value, because it is directly linked to the actual number of different calculated velocities,...

Forum: FLUENT May 14, 2013, 07:08

Replies: 19 Error: Divergence detected in AMG solver: pressure correction Views: 8,725 Posted By RodriguezFatz Yes, this is always a possibility. Is this... Yes, this is always a possibility. Is this the whole domain? The grid doesn't look very fine... how comes you have 600000 cells? (or what do you mean by "mesh number"!?) Can you upload the...

Forum: FLUENT May 14, 2013, 05:47

Replies: 19 Error: Divergence detected in AMG solver: pressure correction Views: 8,725 Posted By RodriguezFatz I am pretty sure it is the mesh. Show us the... I am pretty sure it is the mesh. Show us the geometry and your mesh! Maybe you can improve it. ICEM can do much better...

Showing results 1 to 8 of 8

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