Electromagnetic Models

These material property groups for various electromagnetic material models (including their associated physical properties) can be added to models from the window. These property groups are used by the AC/DC Module, RF Module, and Wave Optics Module.

Table 9-13: Electromagnetic Models Materials.
Property Group and Property	Name/Variable	SI Unit
B-H Curve	This material node is only available with the AC/DC Module.
Local Properties	normH	-
Magnetic flux density norm	normB	T
Dielectric Losses
Dielectric loss factor	eta_epsilon	-
Relative permittivity (imaginary part)	epsilonBis	1
Relative permittivity (real part)	epsilonPrim	1
E-J Characteristic	This material node is only available with the AC/DC Module.
Electric field norm	normE	V/M
Local Properties	normJ	-
Effective B-H Curve	This material node is only available with the AC/DC Module.
Local Properties	normHeff	-
Magnetic flux density norm	normBeff	T
Jiles–Atherton Model Parameters	This material node is only available with the AC/DC Module.
Maximum magnetization parameter	MsJA (3x3 matrix)	A/m
Langevin slope parameter	aJA (3x3 matrix)	A/m
Pinning parameter	kJA (3x3 matrix)	A/m
Reversibility parameter	cJA (3x3 matrix)	1
Interdomain coupling parameter	alphaJA (3x3 matrix)	1
Linearized Resistivity	This material node defines the electric resistivity (and conductivity) as a linear function of temperature.
Reference resistivity	rho0	Ω·m
Reference temperature	Tref	K
Resistivity temperature coefficient	alpha	1/K
Loss Tangent, loss angle	This material node assumes zero conductivity.
Loss tangent, loss angle	delta	rad
Relative permittivity (real part)	epsilonPrim	1
Loss Tangent, Dissipation Factor	This material node assumes zero conductivity.
Loss tangent, dissipation factor	tanDelta	1
Relative permittivity (real part)	epsilonPrim	1
Magnetic Losses
Relative permeability (imaginary part)	murBis	-
Relative permeability (real part)	murPrim	-
Refractive Index	This material node assumes a relative permeability of unity and zero conductivity. This material node is only available with the RF Module or the Wave Optics Module.
Refractive index, imaginary part	ki	-
Refractive index	n	1
Remanent flux density	This material node is only available with the AC/DC Module.
Recoil permeability	murec	1
Remanent flux density norm	normBr	T