Verification and validation of a three-dimensional Orthotropic Plasticity constitutive model using a unidirectional composite

Canio Hoffarth, Bilal Khaled, Loukham Shyamsunder, Subramaniam Rajan, Robert Goldberg, Kelly S. Carney, Paul DuBois, Gunther Blankenhorn

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A three-dimensional constitutive model has been developed for modeling orthotropic composites subject to impact loads. It has three distinct components-a deformation model involving elastic and plastic deformations; a damage model; and a failure model. The model is driven by tabular data that is generated either using laboratory tests or via virtual testing. A unidirectional composite-T800/F3900, commonly used in the aerospace industry, is used in the verification and validation tests. While the failure model is under development, these tests indicate that the implementation of the deformation and damage models in a commercial finite element program, LS-DYNA, is efficient, robust and accurate.

Original languageEnglish (US)
Article number12
JournalFibers
Volume5
Issue number1
DOIs
StatePublished - Mar 1 2017

Fingerprint

Constitutive models
Plasticity
Composite materials
Aerospace industry
Elastic deformation
Plastic deformation
Testing

Keywords

  • Damage
  • Impact modeling
  • Orthotropic composite
  • Plasticity

ASJC Scopus subject areas

  • Ceramics and Composites
  • Civil and Structural Engineering
  • Mechanics of Materials
  • Biomaterials

Cite this

Verification and validation of a three-dimensional Orthotropic Plasticity constitutive model using a unidirectional composite. / Hoffarth, Canio; Khaled, Bilal; Shyamsunder, Loukham; Rajan, Subramaniam; Goldberg, Robert; Carney, Kelly S.; DuBois, Paul; Blankenhorn, Gunther.

In: Fibers, Vol. 5, No. 1, 12, 01.03.2017.

Research output: Contribution to journalArticle

Hoffarth, C, Khaled, B, Shyamsunder, L, Rajan, S, Goldberg, R, Carney, KS, DuBois, P & Blankenhorn, G 2017, 'Verification and validation of a three-dimensional Orthotropic Plasticity constitutive model using a unidirectional composite', Fibers, vol. 5, no. 1, 12. https://doi.org/10.3390/fib5010012
Hoffarth, Canio ; Khaled, Bilal ; Shyamsunder, Loukham ; Rajan, Subramaniam ; Goldberg, Robert ; Carney, Kelly S. ; DuBois, Paul ; Blankenhorn, Gunther. / Verification and validation of a three-dimensional Orthotropic Plasticity constitutive model using a unidirectional composite. In: Fibers. 2017 ; Vol. 5, No. 1.
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