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Forum: CFX

November 5, 2021, 04:13

Replies: 9

Discretization of transient terms in steady state

Views: 807

Posted By LuckyGuy

Now everything is clear. Didn't know CFX and...

Now everything is clear. Didn't know CFX and Fluent use the same method, that's what got me confused, I guess. Thanks for helping me!

Forum: CFX

November 5, 2021, 03:11

Replies: 9

Discretization of transient terms in steady state

Views: 807

Posted By LuckyGuy

I missed things up yesterday and got confused,...

I missed things up yesterday and got confused, but I think now it's clear to me.

So, CFX uses a implicit pseudo-transient under relaxation (see Fluent Theory Chap. 24.6 "Pseudo Transient...

Forum: CFX

November 4, 2021, 14:34

Replies: 9

Discretization of transient terms in steady state

Views: 807

Posted By LuckyGuy

So what is it then? Is there any...

So what is it then? Is there any paper/book/manual or something which describes properly what CFX does?

Forum: CFX

November 4, 2021, 13:48

Replies: 9

Discretization of transient terms in steady state

Views: 807

Posted By LuckyGuy

Thanks for the quick response! Please...

Thanks for the quick response!

Please correct me if I'm wrong in the following. The set of governing equations is discretized in time even for steady calculations in CFX with a "false" time step....

Forum: CFX

November 4, 2021, 11:07

Replies: 9

Discretization of transient terms in steady state

Views: 807

Posted By LuckyGuy

Discretization of transient terms in steady state

Hi,

I know that CFX uses a pseudo-transient approach to reach a steady state solution. However, I could not find any information in the solver-theory manual or in this forum if CFX uses a 1st or...

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