Recent progress in discrete dislocation dynamics and its applications to micro plasticity

G Po, MS Mohamed, T Crosby, C Erel, A El-Azab… - Jom, 2014 - Springer
We present a self-contained review of the discrete dislocation dynamics (DDD) method for
the numerical investigation of plasticity in crystals, focusing on recent development and …

Fundamentals of dislocation dynamics simulations

RB Sills, WP Kuykendall, A Aghaei, W Cai - Multiscale materials modeling …, 2016 - Springer
Dislocation dynamics (DD) is a modeling approach for the study of crystal plasticity wherein
individual dislocation lines are discretized and their motion in the crystal is simulated. This …

[PDF][PDF] Modeling crystal plasticity with dislocation dynamics simulations: The “microMegas” code

B Devincre, R Madec, G Monnet… - Mechanics of Nano …, 2011 - researchgate.net
Dislocation motion and interactions are the main processes controlling the plasticity of
crystalline solids. When a dislocation glides by an elementary atomic step in a crystal, it …

A parallel algorithm for 3D dislocation dynamics

Z Wang, N Ghoniem, S Swaminarayan… - Journal of computational …, 2006 - Elsevier
Dislocation dynamics (DD), a discrete dynamic simulation method in which dislocations are
the fundamental entities, is a powerful tool for investigation of plasticity, deformation and …

Discrete dislocation dynamics simulations of plasticity at small scales

C Zhou, SB Biner, R LeSar - Acta Materialia, 2010 - Elsevier
Discrete dislocation dynamics simulations in three dimensions have been used to examine
the role of dislocation multiplication and mobility on the plasticity in small samples under …

Advances in discrete dislocations dynamics and multiscale modeling

S Groh, HM Zbib - 2009 - asmedigitalcollection.asme.org
Discrete dislocation dynamics is a numerical tool developed to model the plasticity of
crystalline materials at an intermediate length scale, between the atomistic modeling and the …

Direct comparison between experiments and dislocation dynamics simulations of high rate deformation of single crystal copper

S Akhondzadeh, M Kang, RB Sills, KT Ramesh, W Cai - Acta Materialia, 2023 - Elsevier
A long standing challenge in computational materials science is to establish a quantitative
connection between the macroscopic properties of plastic deformation with the microscopic …

Size and boundary effects in discrete dislocation dynamics: coupling with continuum finite element

H Yasin, HM Zbib, MA Khaleel - Materials Science and Engineering: A, 2001 - Elsevier
In this work, we develop a framework coupling continuum elasto-viscoplasticity with three-
dimensional discrete dislocation dynamics (micro3d). The main problem is to carry out …

A link between microstructure evolution and macroscopic response in elasto-plasticity: Formulation and numerical approximation of the higher-dimensional continuum …

S Sandfeld, E Thawinan, C Wieners - International Journal of Plasticity, 2015 - Elsevier
Micro-plasticity theories and models are suitable to explain and predict mechanical
response of devices on length scales where the influence of the carrier of plastic …

Parametric dislocation dynamics of anisotropic crystals

X Han, NM Ghoniem, Z Wang - Philosophical Magazine, 2003 - Taylor & Francis
Efficient computational methods for the elastic field, self force and interaction forces of three-
dimensional (3D) dislocations in anisotropic elastic crystals are developed for 3D dislocation …