0
10
20
30
40
50
60
70
80
90
100
110
120
10
-6
10
-5
10
-4
10
-3
10
-2
10
-1
10
0
10
1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
0.55
iteration
continuity residual
cd
Convergence and drag
continuity
cd
model