ParaDiS-FEM dislocation dynamics simulation code primer

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Description

The ParaDiS code is developed to study bulk systems with periodic boundary conditions. When we try to perform discrete dislocation dynamics simulations for finite systems such as thin films or cylinders, the ParaDiS code must be extended. First, dislocations need to be contained inside the finite simulation box; Second, dislocations inside the finite box experience image stresses due to the free surfaces. We have developed in-house FEM subroutines to couple with the ParaDiS code to deal with free surface related issues in the dislocation dynamics simulations. This primer explains how the coupled code was developed, the main changes from the ... continued below

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10 p. (0.2 MB)

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Tang, M; Hommes, G; Aubry, S & Arsenlis, A September 27, 2011.

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The ParaDiS code is developed to study bulk systems with periodic boundary conditions. When we try to perform discrete dislocation dynamics simulations for finite systems such as thin films or cylinders, the ParaDiS code must be extended. First, dislocations need to be contained inside the finite simulation box; Second, dislocations inside the finite box experience image stresses due to the free surfaces. We have developed in-house FEM subroutines to couple with the ParaDiS code to deal with free surface related issues in the dislocation dynamics simulations. This primer explains how the coupled code was developed, the main changes from the ParaDiS code, and the functions of the new FEM subroutines.

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10 p. (0.2 MB)

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PDF-file: 10 pages; size: 0.2 Mbytes

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  • Report No.: LLNL-TR-501662
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/1037843 | External Link
  • Office of Scientific & Technical Information Report Number: 1037843
  • Archival Resource Key: ark:/67531/metadc833738

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  • September 27, 2011

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • April 13, 2017, 3:06 p.m.

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Tang, M; Hommes, G; Aubry, S & Arsenlis, A. ParaDiS-FEM dislocation dynamics simulation code primer, report, September 27, 2011; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc833738/: accessed November 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.