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- Title
Investigation of interlaminar stresses surrounding circular hole in composite laminates under uniform heat flux.
- Authors
Jafari, Mohammad; Chaleshtari, Mohammad Hossein Bayati; Craciun, Eduard-Marius
- 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.
- Subjects
HEAT flux; THERMAL stresses; INTEGRAL equations; VARIATIONAL principles; ANALYTICAL solutions; LAMINATED materials; COMPOSITE plates
- Publication
Continuum Mechanics & Thermodynamics, 2022, Vol 34, Issue 5, p1143
- ISSN
0935-1175
- Publication type
Article
- DOI
10.1007/s00161-022-01106-7