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Devincre, Benoit
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Publications (7/7 displayed)
- 2024Simulation of plastic strain localisation in polycrystals by Discrete Dislocation Dynamics and crystal plasticity
- 2021A Multiscale Investigation of the Physical Origins of Tension–Compression Asymmetry in Crystals and their Implications for Cyclic Behavior
- 2018Simulation of Interactions Between Screw Dislocations and Radiation-induced Defects in et945;-Iron Using Dislocation Dynamics
- 2017Implementation of the nudged elastic band method in a dislocation dynamics formalism: application to dislocation nucleationcitations
- 2015Physically Justified Models for Crystal Plasticity Developed with Dislocation Dynamics Simulations
- 2014Modelling crystal plasticity by 3D dislocation dynamics and the finite element method: The Discrete-Continuous Model revisitedcitations
- 2011Modeling crystal plasticity with dislocation dynamcis simulations : the «MICROMEGAS» code.
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article
Physically Justified Models for Crystal Plasticity Developed with Dislocation Dynamics Simulations
Abstract
This article highlights how dislocation dynamics (DD) simulations provide a unique opportunity for establishing scale transitions in crystal plasticity. Recent progress in this numerical method is briefly reviewed. Based on the standard problem of plasticity in fcc crystals, we show that DD simulation insight provides guidelines for modeling material mechanical properties controlled by the collective behavior of dislocation microstructures. Hence, DD simulation allows more physical input to be incorporated into continuum models for strain hardening, thereby improving their predictive ability.