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[ICEM] Problems with C-topology for airfoil

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Old   December 15, 2009, 07:54
Default Problems with C-topology for airfoil
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Hi ,all
I am trying to mesh a 2D airfoil with ICEM Hexa which has a sharp trailing edge. I have read many threads about airfoil mesh in the forum, and i decide to use C-grid according a topology example as the below four images show.
(pictures are got from the thread :Airfoil meshing)





I have managed to attain a similar block topology,but there is some wrong with my grid.

as the image in the attachment show, my grid line is not a intigrated C-grid, but divided buy center line. The upper grid line do not connect with the lower grid line respectively, they all get together into a point which is the intersection of the center line and the arc.

so, how can i get the real c-grid?

thanks very much for any suggestion.

screenshot1.PNG

screenshot2.jpg

screenshot3.PNG

(the mesh has been coarsen in order to show the grid line clearly.)
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