Electromagnetic Models
These following material property groups are used for various electromagnetic material models in the AC/DC Module, RF Module, and Wave Optics Module.
Table 9-14:
Electromagnetic Models Materials.
Property Group and Property
Name/Variable
SI Unit
B-H Curve
This node is only available with the AC/DC Module.
Magnetic flux density norm
normB
T
Magnetic field norm
normH
A/m
Magnetic coenergy density
Wpm
J/m
3
B-Hs Curve
Magnetic flux density norm
normB
T
Shifted magnetic field norm
normHs
A/m
Coercive magnetic field
Hc
A/m
Magnetic coenergy density
Wpm
J/m
3
Coercive Magnetic Field
Coercive magnetic field
Hc
A/m
Dielectric Losses
Dielectric loss factor
eta_epsilon
1
Relative permittivity (imaginary part)
epsilonBis
1
Relative permittivity (real part)
epsilonPrim
1
E-J Characteristic
Electric field norm
normE
V/M
Effective B
-
H Curve
This node is only available with the AC/DC Module.
Effective magnetic flux density norm
normBeff
T
Effective magnetic field norm
normHeff
A/m
Effective H
-
B Curve
Effective magnetic field norm
normHeff
A/m
Ferroelectric
Saturation polarization
Psat
C/m
2
Initial electric susceptibility
chie0_iso (3-by-3 matrix)
1
Saturation electrostriction
lambdase
1
Pinning loss
kJAe_iso (3-by-3 matrix)
V/m
Polarization reversibility
cJAe_iso (3-by-3 matrix)
1
Interdomain coupling
alphaJAe_iso (3-by-3 matrix)
m/F
Domain wall density
aJAe_iso (3-by-3 matrix)
V/m
Electrostrictive coupling matrix
Qe_iso (6-by-6 matrix)
m
4/
C
2
Electrostrictive coupling matrix, Voigt notation
QVe_iso (6-by-6 matrix)
m
4/
C
2
H-B Curve
Magnetic field norm
normH
A/m
Jiles–Atherton Model Parameters
Maximum magnetization parameter
MsJA (3-by-3 matrix)
A/m
Langevin slope parameter
aJA (3-by-3 matrix)
A/m
Pinning parameter
kJA (3-by-3 matrix)
A/m
Reversibility parameter
cJA (3-by-3 matrix)
1
Interdomain coupling parameter
alphaJA (3-by-3 matrix)
1
Linearized Resistivity
This 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 node assumes zero conductivity.
Loss tangent, loss angle
delta
rad
Relative permittivity (real part)
epsilonPrim
1
Loss Tangent, Dissipation Factor
This node assumes zero conductivity.
Loss tangent, dissipation factor
tanDelta
1
Relative permittivity (real part)
epsilonPrim
1
Magnetic Losses
Relative permeability (imaginary part)
murBis
1
Relative permeability (real part)
murPrim
1
Permanent Magnet shifted B-H Curve
Magnetic flux density norm
normBpm
T
Permanent Magnet shifted H-B Curve
Shifted magnetic field norm
normHs
A/m
Refractive Index
This node assumes a relative permeability of unity and zero conductivity.
Refractive index, imaginary part
ki
1
Refractive index
n
1
Remanent flux density
Recoil permeability
murec
1
Remanent flux density norm
normBr
T
Dispersion Models > Multipole Debye
Reference temperature
Tref
K
Relative permittivity contributions
Gvm
1
Relaxation time
tauvm
s