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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 } }