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Merged
gituser789 merged 4 commits into from
Apr 22, 2026
Merged

Fit conductivity #181

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f4a52b2
renaming of fit function
tillpiepenbrock Apr 21, 2026
d5672e1
update fixtures for updatedd dielectric material data in materialdata…
tillpiepenbrock Apr 21, 2026
a455195
updated fixtures for updates in mdb
tillpiepenbrock Apr 22, 2026
634e2e0
fix pytests
gituser789 Apr 22, 2026
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3 changes: 1 addition & 2 deletions femmt/model.py
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Original file line number Diff line number Diff line change
Expand Up @@ -421,8 +421,7 @@ def __init__(self,
if self.permittivity_datasource != DataSource.Datasheet:
self.permittivity = self.database.get_complex_permittivity(material=material,
data_source=permittivity_datasource)
self.permittivity.fit_permittivity_magnitude()
self.permittivity.fit_loss_angle()
self.permittivity.fit_sigma()

def update_permittivity(self, frequency: float) -> None:
"""Update permittivity and calculate equivalent conductivity at a given frequency.
Expand Down
104 changes: 52 additions & 52 deletions tests/integration/fixtures/log_inductor_core_material_measurement.json
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Original file line number Diff line number Diff line change
Expand Up @@ -4,87 +4,87 @@
"f": 100000,
"winding1": {
"turn_losses": [
0.07945097577223559,
0.0764345360211902,
0.04918479250316746,
0.02064986832301939,
0.009381724754891135,
0.02065360895491418,
0.04939527910813583,
0.0773327509757728,
0.08176262863609238
0.07945008081376806,
0.07643363504662454,
0.0491842506060318,
0.02064975594488234,
0.00938179454809244,
0.02065350204143978,
0.04939474251135665,
0.07733184689083202,
0.08176170921987985
],
"flux": [
9.22322500859072e-05,
-5.060535839834087e-07
9.22312784186069e-05,
-5.008014179173244e-07
],
"flux_over_current": [
2.0496023681614326e-05,
-1.1592323537190992e-07
2.0495807751205935e-05,
-1.1475608878138251e-07
],
"V": [
0.3277652261622774,
57.95114168336579
0.3244651969232604,
57.95053115451957
],
"number_turns": 9,
"I": [
4.5,
0.0
],
"winding_losses": 0.4642461650494175,
"P": 0.7374717588651241,
"Q": 130.39006878757303,
"S": 130.3921543001079
"winding_losses": 0.464241317622908,
"P": 0.7300466930773359,
"Q": 130.38869509766903,
"S": 130.39073884845877
},
"core_eddy_losses": 0.01394884488552167,
"core_hyst_losses": 0.2600364721327584,
"core_eddy_losses": 0.006522725916286227,
"core_hyst_losses": 0.260034723520191,
"core_parts": {
"core_part_1": {
"eddy_losses": 0.005748050493822775,
"hyst_losses": 0.1802238675929796,
"total_core_part_1": 0.18597191808680236
"eddy_losses": 0.002688136478074107,
"hyst_losses": 0.1802244257927051,
"total_core_part_1": 0.1829125622707792
},
"core_part_2": {
"eddy_losses": 0.008200794391698851,
"hyst_losses": 0.07981260453977895,
"total_core_part_2": 0.0880133989314778
"eddy_losses": 0.003834589438212139,
"hyst_losses": 0.07981029772748505,
"total_core_part_2": 0.08364488716569718
}
},
"all_winding_losses": 0.4642461650494175
"all_winding_losses": 0.464241317622908
}
],
"total_losses": {
"winding1": {
"total": 0.46424616504941896,
"total": 0.46424131762290743,
"turns": [
0.07945097577223559,
0.0764345360211902,
0.04918479250316746,
0.02064986832301939,
0.009381724754891135,
0.02065360895491418,
0.04939527910813583,
0.0773327509757728,
0.08176262863609238
0.07945008081376806,
0.07643363504662454,
0.0491842506060318,
0.02064975594488234,
0.00938179454809244,
0.02065350204143978,
0.04939474251135665,
0.07733184689083202,
0.08176170921987985
]
},
"all_windings": 0.4642461650494175,
"eddy_core": 0.01394884488552167,
"hyst_core_fundamental_freq": 0.2600364721327584,
"total_core_part_1": 0.18597191808680236,
"total_eddy_core_part_1": 0.005748050493822775,
"total_hyst_core_part_1": 0.1802238675929796,
"total_core_part_2": 0.0880133989314778,
"total_eddy_core_part_2": 0.008200794391698851,
"total_hyst_core_part_2": 0.07981260453977895,
"core": 0.27398531701828005,
"total_losses": 0.7382314820676976
"all_windings": 0.464241317622908,
"eddy_core": 0.006522725916286227,
"hyst_core_fundamental_freq": 0.260034723520191,
"total_core_part_1": 0.1829125622707792,
"total_eddy_core_part_1": 0.002688136478074107,
"total_hyst_core_part_1": 0.1802244257927051,
"total_core_part_2": 0.08364488716569718,
"total_eddy_core_part_2": 0.003834589438212139,
"total_hyst_core_part_2": 0.07981029772748505,
"core": 0.26655744943647725,
"total_losses": 0.7307987670593852
},
"simulation_settings": {
"simulation_name": null,
"date": "2026-03-05 13:32:31",
"date": "2026-04-21 16:12:29",
"component_type": "Inductor",
"working_directory": "/home/nikolasf/Dokumente/01_git/30_Python/FEMMT/tests/integration/temp",
"working_directory": "C:\\Users\\tpiepe\\Repositories\\FEM_Magnetics_Toolbox\\tests\\integration\\temp",
"core": {
"core_type": 1,
"core_inner_diameter": 0.0149,
Expand Down Expand Up @@ -193,4 +193,4 @@
],
"total_cost_incl_margin": 5.450519000032945
}
}
}
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