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solvers:calving3d [Elmer/Ice Wiki]

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Calving3D

This page describes the solver Calving3D which computes crevasse depth and predicts calving events in the 3D calving model.

In addition to the main solver, Calving3D makes use of two auxiliary solvers which must be present in the SIF: Calving Isosurface, ProjectCalving.

Solver Options

Solver 28
  Equation = "3D Calving"
  Exec Solver = "After Timestep"
  Procedure = "./bin/Calving3D" "Find_Calving3D"
  Solver Timing = Logical True

  Variable = String "Calving"
  Variable DOFs = 3

  Exported Variable 1 = -dofs 1 "CIndex"
  Exported Variable 1 DOFs = 1

  Calving Search Distance = Real 3000.0
  Calving Mesh Min LC = Real 30.0
  Calving Mesh Max LC = Real 100.0
  Calving Mesh LC Min Dist = Real 500.0
  Calving Mesh LC Max Dist = Real 1500.0

  Calving Append Name = String "$namerun"" !"
  Calving Move Mesh Dir = String "./results/"

  Front Orientation(3) = Real -0.9008556490535132 -0.43411876205523897 0.0
  Project Calving Equation Name = String "CalvingProjection"
  Project To Plane Equation Name = String "ProjectEigenVector"
  Isosurface Equation Name = String "Calving Isosurface"
  Crevasse Penetration Threshold = Real 0.2 !this is the upper limit of average intact ice
  Minimum Calving Event Size = Real 1.0 !minimum front displacement length
  Pause Solvers Minimum Iceberg Volume = Real 1.0E6

  Linear System Solver = Iterative
  Linear System Iterative Method = BiCGStab
  Linear System Max Iterations  = 2000
  Linear System Preconditioning = ILU1
  Linear System Convergence Tolerance = 1.0e-9
  Linear System Abort Not Converged = False
End
solvers/calving3d.1492003699.txt.gz · Last modified: 2017/04/12 13:28 by jtodd
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