Aircraft with folding wingtips dynamics model based on lagrange's method / L. Dehmlow, P.J. González, G. Stavorinus, A.A. García Quesada, F.J. Silvestre, Technical University of Berlin, Chair of Flight Mechanics, Flight Control, and Aeroelasticity, Marchstraße 12,10587 Berlin, Germany ; Deutscher Luft- und Raumfahrtkongress 2024