hello
you did set a very large 1.0 characteristic length compared to air foil
length try
Point(1) = {0, 0, 0, cl1};
the cl2 and cl3 and so on according tho the points position
obviously it does not need to be as little on the edges of the tunnel
the declare
cl1 = 0.1;
cl2 = 1.0;
at the beginning of the script,
a view of the foil with cl1 = 0.1;
need to be smaller by the leading edgejean pierre aubry
<<attachment: foil.png>>
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