![]() The is done by analyzing the airfoil sections with a linear strength vortex panel method with a boundary layer solver and then using that information to predict the locations of the transition and separation points. The approach also allows sweep (backwards & forwards) and multiple dihedral/anhedral angles.Īnother thing I designed into the software is the capability to predict profile drag and stall. The vortex ring method allows for wing twist (geometric and aerodynamic) so a designer can fashion the wing for drag reduction and prevent tip stall by optimizing the amount of washout. ![]() The vortex lattice method in the code is based on vortex rings (as opposed to the horse shoe vortex approach). ![]() I wrote this software several years ago using a vortex lattice approach. I made this video to show how to design and analyze a small flying UAV using my 3DFoil software.
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