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/lp/emerald-publishing/thermoelastoviscoplastic-finite-element-plate-bending-analyses-of-uzIFNPjxe7
- Publisher
- Emerald Publishing
- Copyright
- Copyright © Emerald Group Publishing Limited
- ISSN
- 0264-4401
- DOI
- 10.1108/eb023886
- Publisher site
- See Article on Publisher Site
Abstract
A formulation has been developed for thermoelastoviscoplastic finite element analyses of continuous fibrereinforced composite plates subject to bending loading using a generalized continuum mechanics approach. Such an approach is used to model the nonhomogeneity in a composite, which is constituted by fibres embedded in a matrix material. The present formulation computes the respective stresses occurring in each constituent so that the respective yield criterion and flow rule of each constituent may be used if there is a material yielding in any constituent. Thermoelastic deformation of fibre and thermoelastoviscoplastic deformation of matrix are considered in the present study because the yield strength of fibre is substantially higher than that of matrix in many cases. Both constituents are assumed to be isotropic so that the vonMises yield criterion may be used for viscoplastic yielding of matrix. As numerical examples, a parametric study is performed for thermoelastoviscoplastic deformations of laminated composite plates subject to thermal bending loads.
Journal
Engineering Computations – Emerald Publishing
Published: Jun 1, 1992