KEYWORDS: Plastics, Deformation, Aluminum, Alloys, Finite element methods, Design and modelling, Analytical research, Failure analysis, Elasticity, Chemical elements
Finite element simulation model for cable brackets commonly used in commercial aircraft was developed to investigate the effect of the stamping depth and stiffeners distribution on the load-bearing capacity of 2A12 aluminum alloy brackets, as well as their failure locations. The results showed that: the stiffener can increase the bearing capacity of the bracket, the greater the stamping depth of the stiffeners, the greater the bearing capacity of the bracket; the stiffeners at both ends of the bending axis of the bracket increased the bearing capacity of the bracket the least, 9%. The stiffeners dividing the bracket bending axis into equal lengths increased the bearing capacity of the bracket the most, 30%. The junction of the horizontal plane of the bracket and the curved surface had the greatest equivalent plastic strain and was most vulnerable to plastic deformation.
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