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The Nonlinear sigma model with distributed adaptive mesh refinement

Mar, 2004
6 pages
Published in:
  • Class.Quant.Grav. 21 (2004) 3995
e-Print:
DOI:
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Abstract: (arXiv)
An adaptive mesh refinement (AMR) scheme is implemented in a distributed environment using Message Passing Interface (MPI) to find solutions to the nonlinear sigma model. Previous work studied behavior similar to black hole critical phenomena at the threshold for singularity formation in this flat space model. This work is a follow-up describing extensions to distribute the grid hierarchy and presenting tests showing the correctness of the model.
Note:
  • 6 pages, 5 figures
  • 21.65.+f
  • 12.40.Vv
  • 25.30.Dh
  • 13.40.Gp
  • sigma model: nonlinear
  • field equations: solution
  • numerical methods
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