TY - JOUR
T1 - Damage characterization of composites to support an orthotropic plasticity material model
AU - Khaled, Bilal
AU - Shyamsunder, Loukham
AU - Hoffarth, Canio
AU - Rajan, Subramaniam
AU - Goldberg, Robert K.
AU - Carney, Kelly S.
AU - DuBois, Paul
AU - Blankenhorn, Gunther
N1 - Funding Information:
The author(s) disclosed receipt of the following financial support for the research, authorship and/or publication of this article: Authors Khaled, Shyamsunder, Hoffarth, and Rajan gratefully acknowledge the support of (a) the Federal Aviation Administration through Grant #12-G-001 titled ‘‘Composite Material Model for Impact Analysis’’ and #17-G-005 titled ‘‘Enhancing the Capabilities of MAT213 for Impact Analysis’’, William Emmerling and Dan Cordasco, Technical Monitors, and (b) NASA through Contract Number: NN15CA32C titled ‘‘Development and Implementation of an Orthotropic Plasticity Progressive Damage Model for Transient Dynamic/Impact Finite Element Analysis of Composite Structures’’, Robert Goldberg, Contracting Officer Representative.
Funding Information:
Special thanks to Mike Pereira and Duane Revilock of the NASA-GRC Ballistic Impact Lab for performing the impact test and providing high-fidelity data.
Publisher Copyright:
© The Author(s) 2018.
PY - 2019/3/1
Y1 - 2019/3/1
N2 - The focus of this paper is the development of test procedures to characterize the damage-related behavior of a unidirectional composite at room temperature and quasi-static loading conditions and use the resulting data in the damage sub-model of a newly developed material model for orthotropic composites. This material model has three distinct sub-models to handle elastic and inelastic deformations, damage, and failure. A unidirectional composite—T800/F3900 that was the focus of our previous work, is used to illustrate how the deformation and damage-related experimental procedures are developed and used. The implementation of the damage sub-model into LS-DYNA is verified using single-element tests and validated using impact tests. Results show that the implementation yields reasonably accurate predictions of impact behavior involving deformation and damage in structural composites.
AB - The focus of this paper is the development of test procedures to characterize the damage-related behavior of a unidirectional composite at room temperature and quasi-static loading conditions and use the resulting data in the damage sub-model of a newly developed material model for orthotropic composites. This material model has three distinct sub-models to handle elastic and inelastic deformations, damage, and failure. A unidirectional composite—T800/F3900 that was the focus of our previous work, is used to illustrate how the deformation and damage-related experimental procedures are developed and used. The implementation of the damage sub-model into LS-DYNA is verified using single-element tests and validated using impact tests. Results show that the implementation yields reasonably accurate predictions of impact behavior involving deformation and damage in structural composites.
KW - Orthotropic composite
KW - damage characterization tests
KW - impact simulation
KW - stress–strain curves
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U2 - 10.1177/0021998318793506
DO - 10.1177/0021998318793506
M3 - Article
AN - SCOPUS:85052600288
SN - 0021-9983
VL - 53
SP - 941
EP - 967
JO - Journal of Composite Materials
JF - Journal of Composite Materials
IS - 7
ER -