define_sources_2d.m

The Finite Difference Time Domain Method for Electromagnetics With MATLAB Simulations Atef Elshe

disp('defining sources');

impressed_J = [];
impressed_M = [];

% define source waveform types and parameters
waveforms.gaussian(1).number_of_cells_per_wavelength = 0; 
waveforms.gaussian(2).number_of_cells_per_wavelength = 20; 
waveforms.sinusoidal(1).frequency = 1e9; 

% magnetic current sources
% direction: 'xp', 'xn', 'yp', 'yn', 'zp', or 'zn'
impressed_J(1).min_x = 0.8;
impressed_J(1).min_y = 0.5;
impressed_J(1).max_x = 0.8;
impressed_J(1).max_y = 0.5;
impressed_J(1).direction = 'zp';
impressed_J(1).magnitude = 1;
impressed_J(1).waveform_type = 'gaussian';
impressed_J(1).waveform_index = 2;