Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/76071
Title: Finite element modeling of multilayer orthogonal auxetic composites under low-velocity impact
Authors: Jiang, LL 
Hu, H 
Keywords: Finite element modeling
Multilayer orthogonal auxetic composites
Low-velocity impact
Negative Poisson's ratio
Issue Date: 2017
Publisher: Molecular Diversity Preservation International (MDPI)
Source: Materials, 2017, v. 10, no. 8, 908 How to cite?
Journal: Materials 
Abstract: The multilayer orthogonal auxetic composites have been previously developed and tested to prove that they own excellent energy absorption and impact protection characteristics in a specific strain range under low-velocity impact. In this study, a three dimensional finite element (FE) model in ANSYS LS-DYNA was established to simulate the mechanical behavior of auxetic composites under low-velocity drop-weight impact. The simulation results including the Poisson's ratio versus compressive strain curves and the contact stress versus compressive strain curves were compared with those in the experiments. The clear deformation pictures of the FE models have provided a simple and effective way for investigating the damage mechanism and optimizing the material, as well as structure design.
URI: http://hdl.handle.net/10397/76071
ISSN: 1996-1944
EISSN: 1996-1944
DOI: 10.3390/ma10080908
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