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-   -   Timescale (http://www.cfd-online.com/Forums/cfx/21604-timescale.html)

Juan September 9, 2005 07:13

Timescale
 
Hello CFX users,

I'm using energy equation with CFX, and I would like to know some precisions about its timescale. I know how the solver calculate it automaticaly. But as I want (and I need) to set it myself in order to accelerate the convergence, I have the following questions that I couldn't find answers in the help:

what does the timescale represents physically? how is it introduced in the energy equation? how the solver use it exactly? which connexion has it between the different iterations? If I increase it, the convergence is faster: so can I increase it hugely?

Thanks if you have some ideas, Juan

Glenn Horrocks September 11, 2005 19:02

Re: Timescale
 
Hi,

This is all discussed in the documentation. It also discusses the various methods of setting the time scales.

Glenn Horrocks

Juan September 14, 2005 07:01

Re: Timescale
 
Lots of things are explain in the User manual. But I still don't understand how it is used by the equation?


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