AE350_Intro2 - AIRCRAFT STRUCTURES 1. Aircraft structures...

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AIRCRAFT STRUCTURES 1. Aircraft structures are designed to use every part to its full capability. Leads to shell-like (monocoque) & stiffened shell (semi-monocoque) structures. 2. Major aircraft components (wings, fuselage, tails) are comprised of basic structural elements, each of which is designed to take a specific type of load. AE/ME350 Jha Intro-5
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Aircraft Structural Elements AXIAL MEMBERS carry extensional or compressive loads applied along its axis. Stress (uniaxial), E = Young’s Modulus = Normal Strain Axial Force, A = cross-sectional area is called the Axial Stiffness (not affected by the cross-section shape) E EA FA E A AE/ME350 Jha Intro-6
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Aircraft Structural Elements SHEAR PANEL is a thin sheet of material used to carry in-plane shear load (Figs 1.1 and 1.2). Shear force along x-direction is given by where , G = shear modulus = shear strain For a curved panel (with constant shear), Shear force along y- direction is given by Shape of the panel does not affect ; usually it’s determined by non-structural considerations (e.g., aerodynamic shape).
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This note was uploaded on 09/30/2010 for the course AE AE 350 taught by Professor Rha during the Fall '10 term at Clarkson University .

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AE350_Intro2 - AIRCRAFT STRUCTURES 1. Aircraft structures...

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