Three-Dimensional, Nonlinear Viscoelastic Analysis of Laminated Composites
- 1 May 1994
- journal article
- Published by SAGE Publications in Journal of Composite Materials
- Vol. 28 (10) , 902-925
- https://doi.org/10.1177/002199839402801002
Abstract
A three-dimensional finite element analysis treating the nonlinear viscoelastic response of laminated composites is presented. The individual plies in the laminate are modeled using 20-node isoparametric solid elements. The transient creep compliance in the viscoelastic model is represented as an exponential series plus a steady-flow term, which allows for a simplification of the numerical procedure for handling hereditary effects. Time-dependent stress and strain distributions are calculated for unnotched and notched laminates subjected to tensile loading or bending.Keywords
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