elmer/case.sif

Header
  CHECK KEYWORDS Warn
  Mesh DB "." "capacitor"
  Include Path ""
  Results Directory "outputs"
End

Simulation
  Max Output Level = 5
  Coordinate System = Cartesian
  Coordinate Mapping(3) = 1 2 3
  Simulation Type = Steady state
  Steady State Max Iterations = 1
  Output Intervals(1) = 1
  Solver Input File = case.sif
  Post File = case.vtu
  Coordinate Scaling = 1e-3
End

Constants
  Gravity(4) = 0 -1 0 9.82
  Stefan Boltzmann = 5.670374419e-08
  Permittivity of Vacuum = 8.85418781e-12
  Permeability of Vacuum = 1.25663706e-6
  Boltzmann Constant = 1.380649e-23
  Unit Charge = 1.6021766e-19
End

Body 1
  Target Bodies(1) = 1
  Name = "Body 1"
  Equation = 1
  Material = 1
End

Solver 1
  Equation = Electrostatics
  Capacitance Matrix Filename = "outputs/caps.txt"
  Calculate Electric Flux = True
  Calculate Capacitance Matrix = True
  Variable = Potential
  Calculate Electric Field = True
  Capacitance Bodies = 11
  Calculate Electric Energy = True
  Procedure = "StatElecSolve" "StatElecSolver"
  Exec Solver = Always
  Stabilize = True
  Optimize Bandwidth = True
  Steady State Convergence Tolerance = 1.0e-5
  Nonlinear System Convergence Tolerance = 1.0e-7
  Nonlinear System Max Iterations = 20
  Nonlinear System Newton After Iterations = 3
  Nonlinear System Newton After Tolerance = 1.0e-3
  Nonlinear System Relaxation Factor = 1
  Linear System Solver = Iterative
  Linear System Iterative Method = BiCGStab
  Linear System Max Iterations = 500
  Linear System Convergence Tolerance = 1.0e-10
  BiCGstabl polynomial degree = 2
  Linear System Preconditioning = ILU0
  Linear System ILUT Tolerance = 1.0e-3
  Linear System Abort Not Converged = False
  Linear System Residual Output = 10
  Linear System Precondition Recompute = 1
End

Equation 1
  Name = "electrostatics"
  Electric Field = Computed
  Active Solvers(1) = 1
End

Material 1
  Name = "silicon"
  Relative Permittivity = 4.2
End

Boundary Condition 1
  Target Boundaries(6) = 2 3 4 5 6 7 
  Name = "cap1"
  Capacitance Body = 1
  Potential = 0
End

Boundary Condition 2
  Target Boundaries(6) = 8 9 10 11 12 13 
  Name = "cap2"
  Potential = 0
  Capacitance Body = 2
End

Boundary Condition 3
  Target Boundaries(6) = 14 15 16 17 18 19 
  Name = "cap3"
  Potential = 0
  Capacitance Body = 3
End

Boundary Condition 4
  Target Boundaries(6) = 20 21 22 23 24 25 
  Name = "cap4"
  Capacitance Body = 4
  Potential = 0
End

Boundary Condition 5
  Target Boundaries(6) = 26 27 28 29 30 31 
  Name = "cap5"
  Potential = 0
  Capacitance Body = 5
End

Boundary Condition 6
  Target Boundaries(6) = 32 33 34 35 36 37 
  Name = "cap6"
  Potential = 0
  Capacitance Body = 6
End

Boundary Condition 7
  Target Boundaries(6) = 38 39 40 41 42 43 
  Name = "cap7"
  Capacitance Body = 7
  Potential = 0
End

Boundary Condition 8
  Target Boundaries(6) = 90 91 92 93 94 95 
  Name = "cap8"
  Potential = 0
  Capacitance Body = 8
End

Boundary Condition 9
  Target Boundaries(6) = 96 97 98 99 100 101 
  Name = "cap9"
  Potential = 0
  Capacitance Body = 9
End

Boundary Condition 10
  Target Boundaries(6) = 102 103 104 105 106 107 
  Name = "cap10"
  Potential = 0
  Capacitance Body = 10
End

Boundary Condition 11
  Target Boundaries(46) = 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 
  Name = "common"
  Potential = 0
  Capacitance Body = 11
End

Boundary Condition 12
  Target Boundaries(1) = 1 
  Name = "farfield"
  Electric Infinity BC = True
End