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Continuum Mechanics and Thermodynamics

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14-05-2022 | Original Article

Investigation of interlaminar stresses surrounding circular hole in composite laminates under uniform heat flux

Authors: Mohammad Jafari, Mohammad Hossein Bayati Chaleshtari, Eduard-Marius Craciun

Published in: Continuum Mechanics and Thermodynamics | Issue 5/2022

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Abstract

In this paper, interlaminar stresses in a symmetrical laminated composite plate with a circular hole under uniform heat flux were examined. The analytical solution was achieved based on the boundary-layer theory by Lekhnitskii’s solution. The stress relations related out-of-plane stress components were obtained by variational principle states, the minimum principle of complementary energy, zero-order equilibrium relations and boundary conditions for each layer. The unknown factors in the stress relations were obtained by the equilibrium equation in integral form. This solution prepared a calculation method via adaptability for examining the 3D thermal stresses in perforated laminated with curved boundaries. The results were obtained for \([45/-45]\)s, [0/90]s, \([30/-30]\)s lay-ups made of graphite/epoxy and glass/epoxy materials.

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Title: Investigation of interlaminar stresses surrounding circular hole in composite laminates under uniform heat flux
Authors: Mohammad Jafari
Mohammad Hossein Bayati Chaleshtari
Eduard-Marius Craciun
Publication date: 14-05-2022
Publisher: Springer Berlin Heidelberg
Published in: Continuum Mechanics and Thermodynamics / Issue 5/2022
Print ISSN: 0935-1175
Electronic ISSN: 1432-0959
DOI: https://doi.org/10.1007/s00161-022-01106-7

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