The following picture shows the results of the analysis superimposed on a graphs from the Sandia study.
Analysis of a NACA 0012 airfoil through 180 degrees angle of attack.
The blue dots are the Navier-Stokes solution in MultiElement Airfoils.
The red Xs are the potentialflow/boundary layer solution.
Analysis of NACA 0012 in MultiElement Airfoils 5.1
More information about MultiElement Airfoils can be found at http://www.hanleyinnovations.com/mefoil.html
Thanks for reading.