Implementation and validation of a three-dimensional plasticity-based deformation model for orthotropic composites

Canio Hoffarth, Subramaniam Rajan, Robert K. Goldberg, Duane Revilock, Kelly S. Carney, Paul DuBois, Gunther Blankenhorn

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

A new orthotropic elasto-plastic constitutive model has been developed to predict the inelastic response of composite materials under high velocity impact conditions. The model is driven by experimental stress-strain curve data stored as tabular input allowing for a very general material description. The theoretical details of the elasto-plastic deformation part of the material model are briefly summarized. This summary is then followed by details of the numerical implementation of the model as MAT213 (suitable for use with solid elements) into the commercial transient dynamic finite element code, LS-DYNA. The theoretical basis and the numerical implementation of the constitutive model are validated by using two sets of validation tests involving a widely used unidirectional composite, T800/F3900 - composite laminates used in coupon level tests and a low velocity impact test on a flat panel. Results show that the implementation is efficient, robust and accurate.

Original languageEnglish (US)
Pages (from-to)336-350
Number of pages15
JournalComposites Part A: Applied Science and Manufacturing
Volume91
DOIs
StatePublished - Dec 1 2016

Fingerprint

Plasticity
Constitutive models
Composite materials
Stress-strain curves
Laminates
Plastic deformation
Plastics

Keywords

  • Finite element analysis
  • Impact behavior
  • Plastic deformation
  • Polymer-matrix composites

ASJC Scopus subject areas

  • Ceramics and Composites
  • Mechanics of Materials

Cite this

Implementation and validation of a three-dimensional plasticity-based deformation model for orthotropic composites. / Hoffarth, Canio; Rajan, Subramaniam; Goldberg, Robert K.; Revilock, Duane; Carney, Kelly S.; DuBois, Paul; Blankenhorn, Gunther.

In: Composites Part A: Applied Science and Manufacturing, Vol. 91, 01.12.2016, p. 336-350.

Research output: Contribution to journalArticle

Hoffarth, Canio ; Rajan, Subramaniam ; Goldberg, Robert K. ; Revilock, Duane ; Carney, Kelly S. ; DuBois, Paul ; Blankenhorn, Gunther. / Implementation and validation of a three-dimensional plasticity-based deformation model for orthotropic composites. In: Composites Part A: Applied Science and Manufacturing. 2016 ; Vol. 91. pp. 336-350.
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