On the Kutta Condition in Potential Flow over Airfoil

Figure 4

O-type grid (elliptic) around an airfoil. The figure illustrates orthogonality and smoothness of the gridlines especially near airfoil surface.

(a) Close-up view of O-type grid around the airfoil

(b) Magnified view of grid around the leading edge

(c) Magnified view of grid around the trailing edge