Re-structuring package layout

toolboxes/DebyeFit/examples/example_ColeCole.py

@@ -0,0 +1,44 @@
+# 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, 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=.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()