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http://dx.doi.org/10.7473/EC.2018.53.4.207

Particle-based Numerical Modeling of Linear Viscoelastic Materials using MPM based on FEM for Taylor Impact Simulations  

Kim, See Jo (Department of Mechanical Design Engineering, Andong National University)
Publication Information
Elastomers and Composites / v.53, no.4, 2018 , pp. 207-212 More about this Journal
Abstract
Taylor rod impact tests have been the subject of many theoretical and experimental investigations. This paper discusses the numerical methods for simulating the Taylor impact test, which is widely used to obtain constitutive equations and failure conditions under high-velocity collisions of materials. With this in mind, a particle-based MPM (material point method) for linear viscoelastic solid materials was implemented, and MPM simulations for viscoelastic deformation behavior were numerically verified and confirmed by comparing the MPM and FEM results. In addition, this modeling and numerical approach could be extended to more complex viscoelastic models for basic understanding and to analyze the deformation and fracture behavior of more complicated viscoelastic material systems.
Keywords
particle-based method; viscoelastic; material point method (MPM); finite element method (FEM); Discrete Element (DEM); Taylor impact; numerical simulation;
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