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arXiv · 1909.08020

Asymptotic Analysis of a Coupled System of Nonlocal Equations with Oscillatory Coefficients

Tadele Mengesha·James M. Scott
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Abstract

In this paper we study the asymptotic behavior of solutions to systems of strongly coupled integral equations with oscillatory coefficients. The system of equations is motivated by a peridynamic model of the deformation of heterogeneous media that additionally accounts for short-range forces. We consider the vanishing nonlocality limit on the same length scale as the heterogeneity and show that the system's effective behavior is characterized by a coupled system of local equations that are elliptic in the sense of Legendre-Hadamard. This effective system is characterized by a fourth-order tensor that shares properties with Cauchy elasticity tensors that appear in the classical equilibrium equations for linearized elasticity.

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Tadele Mengesha, James M. Scott. 2019-09-17. Asymptotic Analysis of a Coupled System of Nonlocal Equations with Oscillatory Coefficients. https://doi.org/10.1137/19m1288085

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