Elastic constants of soft sphere systems, interacting through n ‐inverse‐power potential and exhibiting aperiodicity, caused by the size dispersion of the spheres, are determined at zero temperature by computer simulations. It is shown that, at a fixed number density of the spheres, the Poisson's ratio, as well as other elastic constants, increase with increasing disorder in the system. Properties of two types of systems, polydisperse spheres and binary mixture of spheres, are compared to determine the influence of various size distribution types on the system elastic properties. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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Narojczyk et al. (2008) studied this question.
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