Stressing state of paraglider rib in flight.
Coupled structural (MONSTR-2.2) and aerodynamic (DVM-2) codes provide an aeroelastic approach.

desirable shape

Desirable rib shape

if no carcass

Shape of rib without strengthening ribbons

warp=45deg.

Shape of rib without strengthening ribbons. Warp turned 45deg.

Strengthening carcass maintains streamlined shape of rib in flight

with carcass

Final rib design with carcass and 3 holes. Predicted shape in flight.

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