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Forum: FLUENT

September 16, 2013, 12:27

Replies: 4

time step size too small and max. time steps is not enough

Views: 1,712

Posted By flotus1

You could do this with implicit integration...

You could do this with implicit integration methods, but this will lead to huge errors in the particle velocity distribution.
I dont know if this is possible in Fluent.

Forum: FLUENT

September 16, 2013, 12:19

Replies: 4

time step size too small and max. time steps is not enough

Views: 1,712

Posted By flotus1

Its the Brownian forces again...;) I assume...

Its the Brownian forces again...;)

I assume you have rather small particles.
The usual integration mechanisms when Brownian forces are involved only work (because of stability AND accuracy...

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