Modeling complex phenomena: Multiple length and time scales in extended dynamical systems

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This is the final report of a three-year, Laboratory Directed Research and Development (LDRD) project at Los Alamos National Laboratory (LANL). Using nonlinear techniques and large-scale simulations, we have systematically studied meso-scale pattern formation and dynamics in nonlinear, nonequilibrium systems exhibiting topological excitations (dislocations, vortices, vortex lines, domain walls); dislocation generation from crack fronts in ductile materials; the smoothing of rough surfaces in solid-on-solid models; ordering and melting of moving flux lattices in three-dimensional Josephson junction arrays with external magnetic field, current, and disorder; filamentary and plastic vortex flow in disordered thin films superconductors; magnetic vortices in Heisenberg spin layers; ... continued below

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9 p.

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Lomdahl, P.; Bishop, A. & Jensen, N.G. December 31, 1998.

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Description

This is the final report of a three-year, Laboratory Directed Research and Development (LDRD) project at Los Alamos National Laboratory (LANL). Using nonlinear techniques and large-scale simulations, we have systematically studied meso-scale pattern formation and dynamics in nonlinear, nonequilibrium systems exhibiting topological excitations (dislocations, vortices, vortex lines, domain walls); dislocation generation from crack fronts in ductile materials; the smoothing of rough surfaces in solid-on-solid models; ordering and melting of moving flux lattices in three-dimensional Josephson junction arrays with external magnetic field, current, and disorder; filamentary and plastic vortex flow in disordered thin films superconductors; magnetic vortices in Heisenberg spin layers; and hierarchical twinning and tweed texture in elastic models.

Physical Description

9 p.

Notes

OSTI as DE98001552

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  • Other Information: PBD: [1998]

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  • Other: DE98001552
  • Report No.: LA-UR--97-3155
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/560781 | External Link
  • Office of Scientific & Technical Information Report Number: 560781
  • Archival Resource Key: ark:/67531/metadc692760

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  • December 31, 1998

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • May 20, 2016, 4:27 p.m.

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Lomdahl, P.; Bishop, A. & Jensen, N.G. Modeling complex phenomena: Multiple length and time scales in extended dynamical systems, report, December 31, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc692760/: accessed August 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.