how to do a grid independent study -- CFD Online Discussion Forums

November 9, 2010, 10:05	how to do a grid independent study	#1
xyq102296 Member newansysuser Join Date: Oct 2010 Posts: 33 Rep Power: 15	Hello everyone I want to do a grid independent study on my model, the model is only 5mm width, 2D I add inflation layer on the wall and set the element size in the middle. what kind of critiria is for the grid independent? After a coarse mesh, decrease the inflation layer and element size by the same ratio? And for my pc , it can't stand the cell size smaller than 0.08mm. Can I finish the grid independent study on this model?

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