Abstract
In this work, the elasto-plastic material properties of particle reinforced composites are evaluated using three-dimensional finite element approach. Effective properties of the composite are evaluated using representative volume element and numerical homogenization for kinematic and static boundary conditions. A computer program is developed to generate non-overlapping spherical particles of arbitrary size in an representative volume element. The numerical modeling of representative volume element containing the randomly distributed spherical particles of different sizes is performed by finite element method. Convergence study is performed to determine the suitable size of representative volume element. Homogenization is carried out for two cases i.e. matrix with soft and hard particles for reinforcement volume fraction up to 25%. A numerical comparison of 2-D and 3-D results is presented in terms of material behavior for matrix with soft particles.
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