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Showing results 1 to 6 of 6 Search took 0.00 seconds. Search: Posts Made By: willis08

Forum: FLUENT September 16, 2011, 22:51

Replies: 15 Another convergence problem Views: 3,086 Posted By willis08 Cheers eishinsnsayshin I'm already using the... Cheers eishinsnsayshin I'm already using the Green-Gauss Node Based scheme, so I tried your other suggestion even though you mentioned it wouldn't make much difference to my convergence problem. I...

Forum: FLUENT September 12, 2011, 08:38

Replies: 15 Another convergence problem Views: 3,086 Posted By willis08 I changed the p-v coupling on my model to Coupled... I changed the p-v coupling on my model to Coupled and progressively increased the Courant number up to 50000, which i thought was quite a lot, but the coefficient of lift still oscillates between...

Forum: FLUENT September 11, 2011, 14:56

Replies: 15 Another convergence problem Views: 3,086 Posted By willis08 So I tried reducing the URF's which reduced the... So I tried reducing the URF's which reduced the period of the oscillations but didn't converge. I also tried switching to the density based solver and played around with the CFL when modelling...

Forum: FLUENT September 8, 2011, 02:39

Replies: 15 Another convergence problem Views: 3,086 Posted By willis08 Cheers for the reply Stu! So the Courant number... Cheers for the reply Stu! So the Courant number is an option within the density-based solver, right? But is it acceptable to use this solver for my simulation, which I imagine would not contain...

Forum: FLUENT September 7, 2011, 13:26

Replies: 15 Another convergence problem Views: 3,086 Posted By willis08 Cheers Luke, thanks for the reply and clearing up... Cheers Luke, thanks for the reply and clearing up my confusion. I'll try reducing the relaxation factors. To give an update, I was originally solving with 2nd order discretization schemes but...

Forum: FLUENT September 3, 2011, 05:12

Replies: 15 Another convergence problem Views: 3,086 Posted By willis08 Another convergence problem Hello Everyone I am trying to model an open wheeled vehicle in steady state, but the model fails to converge with increased mesh refinement; I am monitoring total lift and drag – my convergence...

Showing results 1 to 6 of 6

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