CFD Online Discussion Forums

CFD Online Discussion Forums (http://www.cfd-online.com/Forums/)
-   FLUENT (http://www.cfd-online.com/Forums/fluent/)
-   -   Size of neighbour cells cause to solution error. (http://www.cfd-online.com/Forums/fluent/40296-size-neighbour-cells-cause-solution-error.html)

Stanislav Kraev March 24, 2006 03:15

Size of neighbour cells cause to solution error.
 
Hi!

I wonder why very good hexa mesh with two neighbour cell regions of very different sizes causes to terrible solution error. For example I have two neighbour layers of cells with heights 1 and 20. And there are non-physic results here.

Any suggestions?

Thanks.

Ahmed March 24, 2006 17:48

Re: Size of neighbour cells lead to solution error
 
Look any CFD book for a Taylor series analysis of the error in case of different cell sizes. In my view a jump from 1 to 20 is too much, try reasonable clustering functions, hope that will help

Stanislav Kraev March 27, 2006 00:38

Re: Size of neighbour cells lead to solution error
 
I'm sure it'll help. Thanks!


All times are GMT -4. The time now is 01:01.