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Buckling optimization of fiber-composite laminate shells considering in-plane shear nonlinearity

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Abstract

The buckling strengths of fiber-composite laminate shells with a given material system are maximized with respect to fiber orientations using a sequential linear programming method together with a simple move-limit strategy. While a modified Riks nonlinear solution algorithm is utilized to analyse the buckling and postbuckling behaviour of composite shells, both linear and nonlinear in-plane shear formulations are employed to form the finite-element constitutive matrix for fiber-composite laminae. Results of the optimization study for simply supported composite cylindrical shells using both linear and nonlinear in-plane shear formulations are presented.

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  1. Department of Civil Engineering, National Cheng Kung University, 70101, Tainan, Taiwan, Republic of China

    H. -T. Hu

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  1. H. -T. Hu
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Hu, H.T. Buckling optimization of fiber-composite laminate shells considering in-plane shear nonlinearity. Structural Optimization 8, 168–173 (1994). https://doi.org/10.1007/BF01743314

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  • DOI: https://doi.org/10.1007/BF01743314

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