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  ModelInfo: {
    File: dds3.ncdf                       //mesh file. It is the file converted using acdtool
    BoundaryCondition: {                  //specify boundary conditions. The numbers here are sideset in cubit
      Magnetic: 1, 2                      //reference surfaces 1 and 2 are symmetric planes
      Electric: 3 4                       //set reference surfaces 3 and 4 to be electric boundary condition
      Exterior: 6                         //surface group 6 (maybe many surfaces) is metal
   }
   SurfaceMaterial: {                     //for each metal (exterior) surface group, list the sigma values
      ReferenceNumber: 6
      Sigma: 5.8e7
    }
  }

  FiniteElement: {
     Order: 2                             //set the finite element basis function order to be used.
     CurvedSurfaces: on
  }

  EigenSolver: {
      NumEigenvalues:  1   1               //want to compute 1 mode
      FrequencyShift: 		10.e9               //the eigenfrequency of the mode should be above 10GHz
  }

 ModelInfo: {
  File: ./pillbox.ncdf
  BoundaryCondition: {
    Electric: 1,2,3,4
    Exterior: 6
  }
   Material : {
     Attribute: 1
     Epsilon:   1.0
     Mu:        1.0
   }
   Material : {
      Attribute: 2
      Epsilon:   1.0
      Mu:        1.0
      EpsilonImag: -0.2        //lossy material
   }
 }

  FiniteElement: {
   Order: 1
   Curved Surfaces: off
  }

  PostProcess: {
    Toggle: off
    ModeFile: mode
    SymmetryFactor: 2
  }

  EigenSolver: {
    NumEigenvalues:     2
    FrequencyShift: 		5e9
  }

ModelInfo: {
File: c026ds-pbc.ncdf
  BoundaryCondition: {
    Magnetic: 1 2
    Periodic_M: 3   //master surface
    Periodic_S: 4   //slave surface, the mesh should be exactly same as those on the master surface
    Exterior: 6
    Theta: -150     //phase
  }
}

FiniteElement: {
  Order: 2
  CurvedSurfaces: on
  ScalarPotential: 1 //use A-V formulation
}

PostProcess:
{
  Toggle: on
  ModeFile: mode
  SymmetryFactor:  8.
}
EigenSolver: {
    NumEigenvalues:     1
    FrequencyShift: 	10e9
}