petsc-master 2014-12-21
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multigrid

  • ex18.c Nonlinear Radiative Transport PDE with multigrid in 2d.
    Uses 2-dimensional distributed arrays.
    A 2-dim simplified Radiative Transport test problem is used, with analytic Jacobian.

    Solves the linear systems via multilevel methods

    The command line
    options are:
    -tleft <tl>, where <tl> indicates the left Diriclet BC
    -tright <tr>, where <tr> indicates the right Diriclet BC
    -beta <beta>, where <beta> indicates the exponent in T
  • ex20.c Nonlinear Radiative Transport PDE with multigrid in 3d.
    Uses 3-dimensional distributed arrays.
    A 3-dim simplified Radiative Transport test problem is used, with analytic Jacobian.

    Solves the linear systems via multilevel methods

    The command line
    options are:
    -tleft <tl>, where <tl> indicates the left Diriclet BC
    -tright <tr>, where <tr> indicates the right Diriclet BC
    -beta <beta>, where <beta> indicates the exponent in T
  • ex25.c