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A Model for Anisotropic Viscoelastic Damage in Composites by R.C. Pavan; B.F. Oliveira; S. Maghous; G.J. Creus is a scholarly article available to read on EtoBox.

What is A Model for Anisotropic Viscoelastic Damage in Composites about?

A model for continuous damage combined with viscoelasticity is proposed. The starting point is the formulation connecting the elastic properties to the tensor of damage variables. A hardening law associated with the damage process is identified from available experimental information and the rate-type constitutive equations are derived. This elastic damage formulation is used to formulate an internal variable approximation to viscoelastic damage in the form of a non-linear Kelvin chain. Elastic and viscoelastic equations are implemented into a finite element procedure. The code is verified by comparison with closed-form solutions in simplified configurations, and validated by fitting results of experimental creep tests.

Author

R.C. Pavan; B.F. Oliveira; S. Maghous; G.J. Creus

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0263-8223)

Published

2010

Language

EN