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An example for Track3P multipacting computation on a single field level. Field gradient: 97e+06


// If you don't give this block, it will use default value
ParticlesTrajectories:  // record particles' trajectory, only for running single
                        //field case
{   ParticleFile: p       // file name
    Skip: 10              // write file each 10 steps
    Start: 10             // start time step for writing file
    Stop: 100000          // stop time step for writing file
}

// Field level(V/m) / Port power(W)
FieldScales:
{
  ScanToken: 0 // 1: scan, 0: no scan
  Scale: 97e+06  //field scale for particle trajectory
}

//Normalize field, only for closed waveguide case
NormalizedField:
{
  StartPoint: 0 0 0.0486225 //start point of the line for field integral calculation
  EndPoint: 0 0 0.2061 //end point of the line for field integral calculation
}

// Primary particles emission

Emitter:
{
  x0: -0.001
  x1: 0.001
  y0: 0.09
  y1: 0.12
  z0: -0.068
  z1: 0.068
  BoundaryID: 6
}

Material:{
  Type: Primary
  BoundarySurfaceID:  6  //Boundary surface ID
}

Material:{
  Type: Secondary
  BoundarySurfaceID:  6  //Boundary surface ID
}

Material:{
  Type: Absorber
  BoundarySurfaceID:  3 4 7 8  //Boundary surface ID
}
Material:{
  Type: SymmetryPlane
  BoundarySurfaceID:  1 2  //Boundary surface ID
}

OutputImpacts: on
// Field information container
Domain:
{
  PostprocessFile: ./vector1/postprocess.in
}

Postprocess: // multipacting postprocess
{
  Toggle: on // on: postprocess, off: no postprocess
  ResonantParticles: // postprocess for resonant particles
  {
    Token: on // on: analysis resonant particles, no: no analysis is done for resonant particles
  }
}

An example of multipacting simulation on a field level scan case


// Field level(V/m) / Port power(W)
FieldScales:
{
  ScanToken: 1 // 1: scan, 0: no scan
  Minimum: 1e+06
  Maximum: 100e+06
}

//Normalize field, only for closed waveguide case
NormalizedField:
{
  StartPoint: 0 0 0.0486225 //start point of the line for field integral calculation
  EndPoint: 0 0 0.2061 //end point of the line for field integral calculation
}

// Primary particles emission

Emitter:
{
  x0: -0.001
  x1: 0.001
  y0: 0.09
  y1: 0.12
  z0: -0.068
  z1: 0.068
  BoundaryID: 6
}

Material:{
  Type: Primary
  BoundarySurfaceID:  6  //Boundary surface ID
}

Material:{
  Type: Secondary
  BoundarySurfaceID:  6  //Boundary surface ID
}

Material:{
  Type: Absorber
  BoundarySurfaceID:  3 4 7 8  //Boundary surface ID
}
Material:{
  Type: SymmetryPlane
  BoundarySurfaceID:  1 2  //Boundary surface ID
}

OutputImpacts: on
// Field information container
Domain:
{
  PostprocessFile: ./vector1/postprocess.in
}

Postprocess: // multipacting postprocess
{
  Toggle: on // on: postprocess, off: no postprocess
  ResonantParticles: // postprocess for resonant particles
  {
    Token: on // on: analysis resonant particles, no: no analysis is done for resonant particles
  }
}

A complete example with an absorbing boundary condition

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