NASA NTRS · 19900035175
A zonal flow analysis method for two-dimensional airfoils
Abstract
A closed-loop, overlapped, velocity-coupling procedure has been utilized to combine a two-dimensional potential flow panel code and a Navier-Stokes code. The fully coupled, two-zone code has been used to compute the flow past a NACA 0012 airfoil. For this case, the zonal method has shown that the grid domain size can be reduced to 0.14 chord lengths with less than 1 percent loss in accuracy. Further, the required computation time is reduced by a factor of approximately four.
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Summa, J. Michael, Strash, Daniel J., Yoo, Sungyul. 1990-01-01. A zonal flow analysis method for two-dimensional airfoils. https://ntrs.nasa.gov/citations/19900035175
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