Inflatable Structures
Shown below are some preliminary calculations of deformed shapes and stress distributions of simple inflatable structures, performed using ISTIA code.
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Cylinder
Final shape (green)
Initial shape (red)
Lenght = 500 mm
Radius = 100 mm
Pressure = 0.53 bar
E = 560 N/mm2
Sigmamax= 0.8 Kg/mm2
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Wing
Final shape (green)
Initial shape (red)
Chord = 500 mm
Thickness = 13% c
Max camber = 10% c
Pressure = 0.53 bar
E = 560 N/mm2
Sigmamax= 12 Kg/mm2
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"Sail" type structures
Hang glider
Final shape (green)
Initial shape (red)
V = 20 m/s
alfa = 15°
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"Sail" type structures
Hans glider
Final stress distribution
V = 20 m/s
alfa = 20°
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