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-   -   why is it not convergence in CFX4 but in CFX5? (http://www.cfd-online.com/Forums/cfx/18794-why-not-convergence-cfx4-but-cfx5.html)

ycfxbeginer January 21, 2002 16:50

why is it not convergence in CFX4 but in CFX5?
 
I am the new user of CFX4.4. I had calculated some object. I found it is difficult to convergence in CFX4.4, but it is much easier in CFX5.4, even for the same object and same boundary and other condition. What is the reason? Do I need to change the grid in CFX4.4? How to change it? Do I need to state the initial value?

Astrid January 27, 2002 16:32

Re: why is it not convergence in CFX4 but in CFX5?
 
Ever heard of the coupled solver in CFX 5?

What grid-type did you use in CFX 5.4?

Astrid


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