Engineering, 30.11.2019 00:31 quavion61

An aircraft fuselage is 180" in diameter to the midplane of the skin, which is 0.063" thick 7075-t6 al sheet (ftu-79 ksi, e-10.5 msi). if the aircraft is pressurized each flight to a maximum differential pressure of 9.1 psi, and a factor of safety of 2.0 is required for evaluating static strength against ultimate pressure, assume the skins carry the pressure load alone (frame assistance is negligible) & determine the maximum ultimate principal stresses in the skin, and the minimum ultimate (static) margin of safety 1 . fi-26.0 ksi, f2=13.00 ksi, ms-2.04.

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An aircraft fuselage is 180" in diameter to the midplane of the skin, which is 0.063" thick 7075-t6...