High Frequency model options

The following table describes the options you use to define electromagnetic properties for isotropic materials supported by the electromagnetic solutions. These options are available on the Isotropic Material dialog box, Electromagnetic page, when you set Model to High Frequency.

For detailed information about defining electromagnetic material properties, see your electromagnetic solver documentation.

Electrical Properties
Specifies model type-dependent dielectric material properties.
High Frequency Model	Specifies the high frequency model type.Note: Although both property groups Electrical Properties and Magnetic Properties list the same model types, you must choose the model type separately for the electrical and magnetic properties.Const+SigmaLets you specify Electrical Conductivity and Relative Electric Permittivity.Debye 1st OrderLets you specify Relative Permittivity at Infinity, Relative Permittivity at Zero, and Relaxation Time (T0).Drude 1st OrderLets you specify Radiant Plasma Frequency (Omega-p) and Collision Frequency (Ni-c).LorentzLets you specify Relative Permittivity at Infinity, Relative Permittivity at Zero, Resonant Frequency (Omega-p), and Damping Coefficient (Delta P).Multiple FrequencyLets you specify Relative Electric Permittivity.Multiple PolesLets you specify Relative Permittivity at Infinity, Relative Permittivity at Zero, Weight Parameter (Gp), Resonant Frequency (Omega-p), and Damping Coefficient (Delta P).
Electrical Conductivity	Available when High Frequency Model is set to Const+Sigma.Specifies a constant value, or when you click , lets you specify temperature-dependent values with a table or formula field.For more information, see Additional magnitude options.
Relative Electric Permittivity	Available when High Frequency Model is set to Const+Sigma or Multiple Frequency.Specifies how the permittivity is defined.Lets you specify the constant or temperature-dependent complex permittivity with real and imaginary parts, constant complex permittivity with magnitude and phase angle, or temperature-dependent complex field values.
Real	Available when Relative Electric Permittivity is set to Real/Imaginary.Sets the real component of the magnitude of the permeability.
Imaginary	Available when Relative Electric Permittivity is set to Real/Imaginary.Sets the imaginary component of the magnitude of the permeability.
Magnitude	Available when Relative Electric Permittivity is set to Magnitude/Phase.Sets the magnitude of the permeability.
Phase	Available when Relative Electric Permittivity is set to Magnitude/Phase.Sets the phase angle of the permeability.
Field	Available when Relative Electric Permittivity is set to Field.Specifies the temperature-dependent complex field values.
Relative Permittivity at Infinity	Available when High Frequency Model is set to Debye 1st Order, Lorentz, or Multiple Poles.Specifies a constant value.
Relative Permittivity at Zero	Available when High Frequency Model is set to Debye 1st Order, Lorentz, or Multiple Poles.Specifies a constant value.
Relaxation Time (T0)	Available when High Frequency Model is set to Debye 1st Order.Specifies a constant value.
Radiant Plasma Frequency (Omega-p)	Available when High Frequency Model is set to Drude 1st Order.Specifies a constant value.
Collision Frequency (Ni-c)	Available when High Frequency Model is set to Drude 1st Order.Specifies a constant value.
When High Frequency Model is set to Multiple Poles, you can create a table with the following properties.Note: To add another row to the table or delete a row from the table, right-click on an existing row in the first, second, third, or fourth column and choose either Add a Row or Delete a Row.
Weight Parameter (Gp)	Available when High Frequency Model is set to Multiple Poles.Specifies a scalar value.
Resonant Frequency (Omega-p)	Available when High Frequency Model is set to Lorentz or Multiple Poles.Specifies a constant value.
Damping Coefficient (Delta P)	Available when High Frequency Model is set to Lorentz or Multiple Poles.Specifies a constant value.
Magnetic Properties
Specifies model type-dependent magnetic material properties.
High Frequency Model	Specifies the high frequency model type.Note: Although both property groups Electrical Properties and Magnetic Properties list the same model types, you must choose the model type separately for the electrical and magnetic properties.Const+SigmaLets you specify Magnetic Conductivity and Relative Permeability.Debye 1st OrderLets you specify Relative Permeability at Infinity, Relative Permeability at Zero, and Relaxation Time (T0).Drude 1st OrderLets you specify Radiant Plasma Frequency (Omega-p) and Collision Frequency (Ni-c).LorentzLets you specify Relative Permeability at Infinity, Relative Permeability at Zero, Resonant Frequency (Omega-p), and Damping Coefficient (Delta P).Multiple FrequencyLets you specify Relative Permeability.Multiple PolesLets you specify Relative Permeability at Infinity, Relative Permeability at Zero, Weight Parameter (Gp), Resonant Frequency (Omega-p), and Damping Coefficient (Delta P).
Relative Permeability	Available when High Frequency Model is set to Const+Sigma or Multiple Frequency.Specifies how the permittivity is defined.Lets you specify the constant or temperature-dependent complex permittivity with real and imaginary parts, constant complex permittivity with magnitude and phase angle, or temperature-dependent complex field values.
Real	Available when Relative Permeability is set to Real/Imaginary.Sets the real component of the magnitude of the permeability.
Imaginary	Available when Relative Permeability is set to Real/Imaginary.Sets the imaginary component of the magnitude of the permeability.
Magnitude	Available when Relative Permeability is set to Magnitude/Phase.Sets the magnitude of the permeability.
Phase	Available when Relative Permeability is set to Magnitude/Phase.Sets the phase angle of the permeability.
Field	Available when Relative Permeability is set to Field.Specifies the temperature-dependent complex field values.
Magnetic Conductivity	Available when in the Magnetic Properties group High Frequency Model is set to Const+Sigma.Specifies a constant value.
Relative Permeability at Infinity	Available when High Frequency Model is set to Debye 1st Order, Lorentz, or Multiple Poles.Specifies a constant value.
Relative Permeability at Zero	Available when High Frequency Model is set to Debye 1st Order, Lorentz, or Multiple Poles.Specifies a constant value.
Relaxation Time (T0)	Available when High Frequency Model is set to Debye 1st Order.Specifies a constant value.
Radiant Plasma Frequency (Omega-p)	Available when High Frequency Model is set to Drude 1st Order.Specifies a constant value.
Collision Frequency (Ni-c)	Available when High Frequency Model is set to Drude 1st Order.Specifies a constant value.
When High Frequency Model is set to Multiple Poles, you can create a table with the following properties.Note: To add another row to the table or delete a row from the table, right-click on an existing row in the first, second, third, or fourth column and choose either Add a Row or Delete a Row.
Weight Parameter (Gp)	Available when High Frequency Model is set to Multiple Poles.Specifies a scalar value.
Resonant Frequency (Omega-p)	Available when High Frequency Model is set to Lorentz or Multiple Poles.Specifies a constant value.
Damping Coefficient (Delta P)	Available when High Frequency Model is set to Lorentz or Multiple Poles.Specifies a constant value.

Look up more details

Common Electrical model options

Low Frequency model options

Dynamic viscosity for electromagnetics

High Frequency model options, Simcenter 3D 2021.1 Series

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