# I. Giannakis, A. Giannopoulos and N. Davidson, # "Incorporating dispersive electrical properties in FDTD GPR models # using a general Cole-Cole dispersion function," # 2012 14th International Conference on Ground Penetrating Radar (GPR), 2012, pp. 232-236 import os import sys sys.path.append(os.path.join(os.path.dirname(__file__), "..")) from Debye_Fit import HavriliakNegami if __name__ == "__main__": # set Havrilak-Negami function with initial parameters setup = HavriliakNegami( f_min=1e4, f_max=1e11, alpha=0.3, beta=1, e_inf=3.4, de=2.7, tau_0=0.8e-10, sigma=0.45e-3, mu=1, mu_sigma=0, material_name="dry_sand", f_n=100, plot=True, save=False, optimizer_options={ "swarmsize": 30, "maxiter": 100, "omega": 0.5, "phip": 1.4, "phig": 1.4, "minstep": 1e-8, "minfun": 1e-8, "seed": 111, "pflag": True, }, ) ### Dry Sand in case of 3, 5 # and automatically set number of Debye poles (-1) for number_of_debye_poles in [3, 5, -1]: setup.number_of_debye_poles = number_of_debye_poles setup.run() ### Moist sand # set Havrilak-Negami function parameters setup.material_name = "moist_sand" setup.alpha = 0.25 setup.beta = 1 setup.e_inf = 5.6 setup.de = 3.3 setup.tau_0 = (1.1e-10,) setup.sigma = 2e-3 # calculate for different number of Debye poles for number_of_debye_poles in [3, 5, -1]: setup.number_of_debye_poles = number_of_debye_poles setup.run()