Modifying a leading edge in VSP

[Griffin DiMaggio]

Hello, 

I am working with a model of NASA's N2A that I obtained from the VSP Hangar (http://hangar.openvsp.org/vspfiles/349). I need to modify the leading edge of the wing to have a 'droop', like as done in "A Low Subsonic Study of the NASA N2A Hybrid Wing-Body Using an Inviscid Euler-Adjoint Solver" (https://doi.org/10.2514/6.2016-3267). In the referenced, the author states that he added the droop to the N2A model using OpenVSP. Does anyone know how he may have done this?

Thanks,

Griffin

[Rob McDonald]

I can't say for sure, but I suspect they modified the airfoil points outside of OpenVSP (perhaps in a spreadsheet) and then read the modified points back into OpenVSP.

Rob

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[C P]

Hi,

Rob is right. You can pick up the airfoil in XFLR5, modify it applying a leading edge flap, export the new airfoil file, load it on OpenVSP as AF.file.

Corrado

[Griffin DiMaggio]

thanks!