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Advances in Discrete Dislocation Dynamics Simulations

  • Richard LeSarEmail author
  • Laurent Capolungo
Living reference work entry

Abstract

Over the past few decades, discrete dislocation dynamics, a modeling framework allowing for the simulation of the collective motion and interactions of dislocations in crystalline media, has been the subject of intense development worldwide. In recent years, a series of novel numerical algorithms, chemo-mechanical frameworks, and applications have been proposed. These advances have taken the field closer to enabling predictions of the mechanical response of engineering polycrystals, e.g., textured crystalline aggregates with impurities. Further, interesting pathways have been proposed to bridge discrete dislocation dynamics simulations with harmonic transition state theory, thereby delineating potential routes for performing coarse graining from the viewpoint of thermodynamics. This chapter summarizes some of the important recent contributions in the field of discrete dislocation dynamics.

Notes

Acknowledgements

RL wants to acknowledge the support of the National Science Foundation under Award Number DMR-1308430 for development of an FFT-based dislocation dynamics method. His work on polycrystal plasticity development was supported by the U.S. Department of Energy (DOE), Office of Science, Basic Energy Sciences, Materials Science and Engineering Division and was performed at the Ames Laboratory, which is operated for the U.S. DOE by Iowa State University under contract # DE-AC02-07CH11358. LC would like thank support from the US Department of Energy, Office of Basic Energy Sciences (OBES) FWP-06SCPE401.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Materials Science and EngineeringIowa State UniversityAmesUSA
  2. 2.Materials Science and Technology DivisionLos Alamos National LaboratoryLos AlamosUSA

Section editors and affiliations

  • John Sarrao
    • 1
  • Marius Stan
  1. 1.Los Alamos National LaboratoryLos AlamosUSA

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