Aircraft structures laboratory - Buckling of a Cantilever with Restrained Sideways Movement.
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CITY UNIVERSITY B.ENG PART II DEPARTMENT OF MECHANICAL ENGINEERING AND AERONAUTICS AIRCRAFT STRUCTURES LABORATORY Buckling of a Cantilever with Restrained Sideways Movement: Coursework BY AMARDEEP SINGH SANGHERA DR BANERJEE Introduction Instability in structural elements has been shown to be an important factor in design as it is a mode of 'failure' dependent largely on compressive loading and geometrical proportions. The critical compressive load for the buckling of columns or struts can be expressed as P = ?EA/ (L/r)2 Where ? is a constant depending on the material and end conditions. The idealised Euler theory is only applicable at large slenderness ratios and 'real' struts will 'fail' owing to exceeding the yield stress of the material long before attaining the Euler load. Eccentricity of loading, initial curvature and transverse loading can each contribute to a lowering of the allowable 'buckling load as a function of the yield stress. Also when a strut is loaded in compression it may be unable to support the applied...

