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ElmerCSC
GitHub Repository: ElmerCSC/elmerfem
Path: blob/devel/fem/tests/BDM2D/BDM.sif
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Header
  Mesh DB "." "square"
End

Simulation
  Max Output Level = 5
  Coordinate System = "Cartesian 2D"
  Simulation Type = Steady
  Output Intervals(1) = 1
  Steady State Max Iterations = 1
!  Post File = "rt.ep"
End

Body 1
  Equation = 1
  Material = 1
  Body Force = 1
End

Body Force 1
  Source Field = Variable Time
     Real Procedure "Source" "SourceFun"
End

Material 1
  Material Parameter = Real 1.0
End

Equation 1
  Active Solvers(2) = 1 2
End

Solver 1
  Equation = "Mixed Poisson"
  Variable = "MixedSol"
  Variable DOFs = 1
  Procedure = "ModelMixedPoisson" "MixedPoisson"
  !-------------------------------------------------------
  ! Here the bubble dof is used for constructing
  ! the piecewise constant approximation of the
  ! variable of the Poisson equation in the standard form.
  !-------------------------------------------------------
  Second Kind Basis = Logical True
  Optimize Bandwidth = False
  Bubbles in Global System = Logical True
  Linear System Solver = Iterative
  Linear System Iterative Method = GCR
  Linear System Preconditioning = ILU0
  Linear System Row Equilibration = Logical True
  Linear System Max Iterations = 200
  Linear System Convergence Tolerance = 1e-6
End

Solver 2
  Equation = "Compute Error"
  Procedure = "ComputeError" "IntegrateError"
  Target Equation = String "Mixed Poisson"
End

!---------------------------------------------------------------
! Note: Do-nothing BC corresponds to the standard homogeneous 
! Dirichlet constraint.
!--------------------------------------------------------------

Solver 1 :: Reference Norm = Real 2.65649704E-01
Solver 1 :: Reference Norm Tolerance = Real 1.0E-5