|April 29, 2009, 18:32||
Join Date: Apr 2009
Location: Massachusetts, USA
Posts: 8Rep Power: 6
What parameters do you usually use to find if the solution is grid independent?
|April 30, 2009, 03:57||
Join Date: Mar 2009
Posts: 67Rep Power: 6
I think, normally, the overall mesh size is changed to check the effect on cell count.
BUT, in my opinion, it is much more important, to change the grid density on "important" areas.
That are areas in your domain, where
1.: you have interesting parameters, like a certain velocity or a (local or integral) heat transfer. Parameters, that are the aim of your study.
2.: high gradients of the flow quantities appear. Like having a big temperature difference or high velocities close to a wall
So: my suggestion is to change the grid density in particular in these areas for checking the grid independence.
CFD - nothing but Colourful Fluid Dynamics
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