This work reveals the potential of mechanics of structure genome (MSG) for the free-edge stress analysis of composite laminates. First, the cross-sectional analysis specialized from MSG is formulated for solving a generalized free-edge problem of composite laminates. Then, MSG and the companion code SwiftComp™ are applied to the free-edge stress analysis of several composite laminates with arbitrary layups and general loads including extension, torsion, in-plane and out-of-plane bending, and their combinations. The results of MSG are compared with various existing solutions for symmetric angle-ply laminates. New results are presented for the free-edge stress fields in general laminates for combined mechanical loads and compared with three-dimensional (3D) finite element analysis (FEA) results, which agree very well.
Generalized Free-Edge Stress Analysis Using Mechanics of Structure Genome
Contributed by the Applied Mechanics Division of ASME for publication in the JOURNAL OF APPLIED MECHANICS. Manuscript received July 23, 2016; final manuscript received July 30, 2016; published online August 22, 2016. Editor: Yonggang Huang.
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Peng, B., Goodsell, J., Byron Pipes, R., and Yu, W. (August 22, 2016). "Generalized Free-Edge Stress Analysis Using Mechanics of Structure Genome." ASME. J. Appl. Mech. October 2016; 83(10): 101013. https://doi.org/10.1115/1.4034389
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