Elastoplastic Approach Based on Microscopic Insights for the Steady State and Transient Dynamics of Sheared Disordered Solids

Chen Liu, Suman Dutta, Pinaki Chaudhuri, and Kirsten Martens
Phys. Rev. Lett. 126, 138005 – Published 2 April 2021
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Abstract

We develop a framework to study the mechanical response of athermal amorphous solids via a coupling of mesoscale and microscopic models. Using measurements of coarse-grained quantities from simulations of dense disordered particulate systems, we present a coherent elastoplastic model approach for deformation and flow of yield stress materials. For a given set of parameters, this model allows us to match consistently transient and steady state features of driven disordered systems with diverse preparation histories under both applied shear-rate and creep protocols.

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  • Received 14 July 2020
  • Accepted 26 February 2021

DOI:https://doi.org/10.1103/PhysRevLett.126.138005

© 2021 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

Chen Liu1,*, Suman Dutta2,*, Pinaki Chaudhuri2, and Kirsten Martens3

  • 1Laboratoire de Physique de l’Ecole Normale Suprieure, 75005 Paris, France
  • 2The Institute of Mathematical Sciences, Taramani, Chennai 600113, India
  • 3Univ. Grenoble Alpes, CNRS, LIPhy, 38000 Grenoble, France

  • *C. L. and S. D. contributed equally to this work.

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Issue

Vol. 126, Iss. 13 — 2 April 2021

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