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- The first step is to provide beam information:
*Code Block LoadingInfo: { Bunch: { Type: Gaussian Sigma: 2e-3 //Sigma (RMS) size of the bunch Nsigmas: 5 //beam occupies the location from -5 sigma to +5 sigma, total of 10 sigmas Charge: 1. //charge } Symmetry factorSymmetryFactor: 4 //factor by which to reduce the charge to account for symmetry conditions (monopole on axis: use 4, dipole at X (or Y) offset: use 2 in connection with proper electric boundary conditions in one plane) StartPoint: 0. 0. 0. //StartPoint is the position where the beam enters the structure (typically at low Z values) Direction: 0. 0. 1. //Direction along which the bunch will move, at the speed of light (should be the direction of the normal of the face with BoundaryID) BoundaryID: 5 //The boundary ID (sidelist number from Cubit), specifies the boundary through which the bunch enters the structure (should be a flat surface, containing StartPoint) } - Optional: Force analytical BeamBoundaryLoading (can be used if the beampipe is cylindrical). Not required. Default is OFF.
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