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Search: Posts Made By: pyroknife
Forum: FLUENT May 28, 2013, 12:24
Replies: 15
Views: 10,512
Posted By pyroknife
I have yet to try unsteady. My simulation is a...

I have yet to try unsteady. My simulation is a steady case, however.


Thanks. That is (too fine of a mesh) what I think may be causing the problem. I did not save the data, but if i experience...
Forum: FLUENT May 27, 2013, 16:57
Replies: 15
Views: 10,512
Posted By pyroknife
I am running under steady state. Isn't time step...

I am running under steady state. Isn't time step only for unsteady?




Also, it appears that only my energy equation is experiencing divergence.
Forum: FLUENT May 26, 2013, 18:38
Replies: 15
Views: 10,512
Posted By pyroknife
Oh I see. Can you set the initial values of k and...

Oh I see. Can you set the initial values of k and omega? If so, how?
I am currently using SST k-omega.
Forum: FLUENT May 26, 2013, 15:30
Replies: 15
Views: 10,512
Posted By pyroknife
My simulation is currently involving methane (the...

My simulation is currently involving methane (the one FLUENT has in it's material library). Does that count?
I remember using incompressible-ideal gas, polynomial, and 2 kinetic theory options.
Forum: FLUENT May 25, 2013, 15:36
Replies: 15
Views: 10,512
Posted By pyroknife
I have tried lowering the factors, but all it...

I have tried lowering the factors, but all it seems to do is delay the divergence, not actually eliminate it from my simulation.
Forum: FLUENT May 25, 2013, 14:22
Replies: 15
Views: 10,512
Posted By pyroknife
Divergence Problem

I am experiencing some divergence problems with my residuals using Fluent. I am using the k-omega turbulence model running under steady state conditions.
I refined my mesh as best as I can. The...
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