On the left is a computational surface around an airfoil, with the grid lines colored green. Overlayed on this surface, in the upper left, is a second computational surface, with the grid lines colored blue.
On the right is the resulting computational surface around the airfoil, after inserting the blue surface into the green surface, with the grid lines in the new computational surface colored red. The grid points from the blue surface have replaced those in the original green surface. The origin and M and N directions in the new surface are the same as in the original green surface.
Last updated 26 Mar 2003