Abstract
In this paper, the free vibration analysis of carbon fiber/epoxy resin and carbon/carbon plain woven conical-cylindrical shell under thermal environment with general boundary conditions using generalized differential quadrature (GDQ) is conducted. A two-step homogenization approach, in which 3D finite element method (3D FEM) based on 3D representative volume elements (3D RVE) are applied, is used to get the mechanical properties of the plain woven composites. According to first order shear deformation theory (FSDT) and Hamilton’s principle, considering a thermal environment, the governing equations of both the two shells are obtained. GDQ is applied during the solving procedure and general boundary conditions are considered through artificial springs. After several comparison studies focused on convergence, mechanical properties and thermal environment, the effects of boundary conditions, geometry, total fiber volume fraction and uniform, linear temperature field are studied comprehensively.
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