A non-linear orthotropic hydrocode model for ultra-high molecular weight polyethylene in impact simulations

Lassig, T, Nguyen, L, May, M, Riedel, W, Heisserer, U, van der Werff, H and Hiermaier, S 2015, 'A non-linear orthotropic hydrocode model for ultra-high molecular weight polyethylene in impact simulations', International Journal of Impact Engineering, vol. 75, pp. 110-122.


Document type: Journal Article
Collection: Journal Articles

Title A non-linear orthotropic hydrocode model for ultra-high molecular weight polyethylene in impact simulations
Author(s) Lassig, T
Nguyen, L
May, M
Riedel, W
Heisserer, U
van der Werff, H
Hiermaier, S
Year 2015
Journal name International Journal of Impact Engineering
Volume number 75
Start page 110
End page 122
Total pages 13
Publisher Elsevier Ltd
Abstract This paper presents detailed experimental characterization of quasi-static anisotropic directional strength properties as well as the shock behavior of ultra-high molecular weight polyethylene (UHMWPE) for the development of an advanced material model for this class of materials. Specifically, we consider Dyneema® HB26 - pressed from uni-directional (UD) tapes in a 0/90° stacking sequence. A material model based on a constitutive law with orthotropic, non-linear strength, shock response, composite failure and softening criteria is presented. A set of material parameters is derived for applications in hydrocodes (here: ANSYS AUTODYN). High- and hypervelocity impact tests with different impact velocities are used for preliminary validation and discussion of the predictive capabilities in view of future application.
Subject Aerospace Engineering not elsewhere classified
Civil Engineering not elsewhere classified
Mechanical Engineering not elsewhere classified
Keyword(s) Constitutive model
High velocity
Impact
Material characterization
Orthotropy
UHMWPE
DOI - identifier 10.1016/j.ijimpeng.2014.07.004
Copyright notice © 2014 Elsevier Ltd. All rights reserved.
ISSN 0734-743X
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