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Interlaminar failure and buckling of doubly-curved laminated composite shells

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Abstract

A higher-order nonlinear shell theory of laminated axisymmetric structures is developed. The theory accounts for parabolic distribution of transverse shear strains and linear for normal strains through the thickness of the shell. The derived equations are employed into the analysis of the delamination initiation (via the strength criterion), propagation (the contact problem), and buckling (in the global or local sense). The space occupied by the shell is divided into four regions in order to obtain accurate description of the contact phenomena occurring between the delammated zones (the sublaminates). Various numerical examples have been solved to demonstrate the influence of the shallowness parameters on failure modes of delaminated spherical shells under external pressure.

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Authors and Affiliations

  1. Institute of Mechanics and Machine Design, Cracow University of Technology, ul. Warszawska 24, 31-155, Kraków, Poland

    A. Muc

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  1. A. Muc
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Published in Mekhanika Kompozitnykh Materialov, Vol. 31, No. 3, pp. 330–340, May–June, 1995.

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Muc, A. Interlaminar failure and buckling of doubly-curved laminated composite shells. Mech Compos Mater 31, 238–246 (1995). https://doi.org/10.1007/BF00615637

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  • DOI: https://doi.org/10.1007/BF00615637

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