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HFSS15: Assigning Frequency Dependent Material: Djordjevic-Sakar Model Input
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Having selected Djordjevic-Sakar as the model for the frequency dependent material property, you enter the required values in the dialog displayed.
1. Enter the values for Properties at Frequency:
2. Enter the Properties at DC. This includes Conductivity and can include relative permittivity.
After you have entered the data for your selection, you return to the View/Edit Material window. New default function names appear in the material property text boxes. HFSS automatically created a dataset for each material property. Based on a varying property’s dataset, HFSS can interpolate the property’s values at the desired frequencies during solution generation.
To modify the dataset with additional points, see Modifying Datasets.
Note | Neither the piecewise or the loss models ask for frequency dependent conductivity because there the constant sigma represents the DC loss and the frequency dependent loss tangent represents the polarization losses. |
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