steady state simulation

March 12, 2004, 04:00

I would like to know whether in Fluent we can change the pseudo time step if the solution is not converging? how do we do it? my simulation residuals are oscillating with increasing amplitude after around 1000 iterations. thanks in advance.

March 20, 2004, 08:15

HI!

You could probabbily get rid of the problem if you chang the underrelaxation parameters. I'm not shure but I think you can't change the pseudo time step in Fluent. I know that this approach is used in CFX...

hope it helps

MATEUS

March 12, 2004, 04:00	steady state simulation	#1
manoj Guest Posts: n/a	I would like to know whether in Fluent we can change the pseudo time step if the solution is not converging? how do we do it? my simulation residuals are oscillating with increasing amplitude after around 1000 iterations. thanks in advance.

March 20, 2004, 08:15	Re: steady state simulation	#2
mateus Guest Posts: n/a	HI! You could probabbily get rid of the problem if you chang the underrelaxation parameters. I'm not shure but I think you can't change the pseudo time step in Fluent. I know that this approach is used in CFX... hope it helps MATEUS

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