X-FEM Modeling of Polymer Matrix Particulate/Fibrous Composites
Abstract
A method for representing discontinuous material properties in a heterogeneous domain using the extended finite element method (X-FEM) has been applied to study static and dynamic properties of polymer matrix particulate/fibrous composites. Representative volume elements of the composite material microstructure are generated by the random sequential adsorption (RSA) algorithm, where level set fields represent the matrix/inclusion interfaces within the domain. The equations of motion are integrated explicitly in time with mass lumping on the nodal and enriched degrees of freedom. This method shows improved agreement of the wave attenuation coefficient (WAC) from the ...
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