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Materials 2018, 11(9), 1584; https://doi.org/10.3390/ma11091584

A Lattice Model for Elastic Particulate Composites

1
Laboratory of Experimental Mechanics, Institute of Mechanical Science, Vilnius Gediminas Technical University, Vilnius 10221, Lithuania
2
Department of Aviation Technologies, Antanas Gustaitis’ Aviation Institute, Vilnius Gediminas Technical University, Vilnius 10221, Lithuania
*
Author to whom correspondence should be addressed.
Received: 12 May 2018 / Revised: 4 July 2018 / Accepted: 23 July 2018 / Published: 1 September 2018
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Abstract

In the present article, a version of the lattice or spring network method is proposed to model the mechanical response of elastic particulate composites with a high volume fraction of spherical particles and with a much weaker matrix compared to the stiffness of the particles. The main subject of the article is the determination of the axial stiffnesses of the springs of the cell. A comparison of the mechanical response of a three-dimensional particulate composite cube obtained using the finite element method and the proposed methodology showed that the efficiency of the proposed methodology increases with an increasing volume fraction of the particles. View Full-Text
Keywords: particulate composite; bonded particles; lattice model; spring network model; discrete element method particulate composite; bonded particles; lattice model; spring network model; discrete element method
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Zabulionis, D.; Rimša, V. A Lattice Model for Elastic Particulate Composites. Materials 2018, 11, 1584.

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