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Showing results 1 to 4 of 4 Search took 0.00 seconds. Search: Posts Made By: flotus1

Forum: FLUENT July 22, 2013, 04:49

Replies: 11 Unsteady problems - under-relaxation factors Views: 2,687 Posted By flotus1 No. An iterative solver with only one... No. An iterative solver with only one under-relaxed iteration does not produce correct results.

Forum: FLUENT July 22, 2013, 04:38

Replies: 11 Unsteady problems - under-relaxation factors Views: 2,687 Posted By flotus1 This holds true only for the iterations within... This holds true only for the iterations within each timestep. Given a sufficient amount of iterations per timestep (convergence!) the physical time step size remains unaffected of the...

Forum: FLUENT July 22, 2013, 04:25

Replies: 11 Unsteady problems - under-relaxation factors Views: 2,687 Posted By flotus1 Why dont you think it is reasonable to use... Why dont you think it is reasonable to use under-relaxation? Without it, implicit solvers like SIMPLE become unstable.

Forum: FLUENT March 28, 2013, 08:41

Replies: 11 Unsteady problems - under-relaxation factors Views: 2,687 Posted By flotus1 The URFs should not affect the final solution.... The URFs should not affect the final solution. Yet lower URFs mean that the solution advances slower and you need more Iterations to get convergence. Phenomena like vortex shedding cannot be...

Showing results 1 to 4 of 4

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