Modelling Of The Bullet Perforation Of
Textile Targets
Author(s)
R. Barauskas, A. Abraitiene & A. Vilkauskas
Abstract
The paper deals with the further development of the finite element models
created in LSDYNA for simulation of the ballistic impact and perforation of the
woven fabrics structures at velocities ~300 m/s. The bullet has been considered
as a deformable body in contact with the fabric package presented by interwoven
yarn structure. The simplification of the model has been achieved by presenting
the multifilament yarns by thin shell elements the thickness of which represents
the real thickness of yarns as it can be measured in the weave. The model
considered in earlier publications of the authors on this topic has been
significantly improved by introducing an orthotropic roughly meshed membrane
model for the zones of the fabric remote from the point of impact and by proper
adjustment of material parameters ensuring the minimum cumulative wave
propagation speed error along selected directions. A set of physical and
numerical experiments including the ballistic lead bullet – lead plate and lead
bullet – single woven layer interactions have been performed in order to identify
the model parameters.
Keywords: high-velocity impact, multi-layer fabric, finite elements, LSDYNA.
1 Introduction
The rapid rise and variety of new textile materials on the market intended for
life-protection clothing [2], promotes the further theoretical and experimental
investigations of fabric packages by establishing their properties and regularities.
The design of multilayer fabric packages (MLFP) can be significantly facilitated
by means of deeper understanding of the behavior of a single or several fabric
Keywords
high-velocity impact, multi-layer fabric, finite elements, LSDYNA.
Related Book
Other papers in this volume
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