Path: Airships/Modeling
% Compute the fin reference area, hull projection, mean chord and width. All lengths are non-dimensional. Fin lengths (x) are measured back from the nose. Fin widths (yz) are measured out from the hull center-line. -------------------------------------------------------------------------- Form: [Sf,Sfh,fC,fW] = FinGeometry( a1, a2, b, xFinA, xFinB, xFinC, yzFinI, yzFinO ); -------------------------------------------------------------------------- ------ Inputs ------ a1 (1) Semi-major axis of front ellipsoid a2 (1) Semi-major axis of rear ellipsoid b (1) Semi-minor axis of each ellipsoid xFinA (1) Leading-edge of fin at hull / hull length xFinB (1) Start of fin taper / hull length xFinC (1) Trailing-edge of fin / hull length yzFinI (1) Inboard fin width / hull radius yzFinO (1) Outboard fin width / hull radius ------- Outputs ------- Sf (1) Fin reference area Sfh (1) Area of hull projection at fins fC (1) Mean fin chord-length fW (1) Mean fin width (span) --------------------------------------------------------------------------
Airships: Modeling/AirshipCV Common: Graphics/NewFig
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