مدل های الکترومغناطیسی

مدل های الکترومغناطیسی

مدل های الکترومغناطیسی
این گروه‌های ویژگی مواد برای مدل‌های مختلف مواد الکترومغناطیسی (از جمله خواص فیزیکی مرتبط با آنها) را می‌توان از پنجره Material به مدل‌ها اضافه کرد. این گروه‌های ویژگی توسط ماژول AC/DC، ماژول RF و ماژول اپتیک موج استفاده می‌شوند.
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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 BH 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 (3×3 matrix)
A/m
Langevin slope parameter
aJA (3×3 matrix)
A/m
Pinning parameter
kJA (3×3 matrix)
A/m
Reversibility parameter
cJA (3×3 matrix)
1
Interdomain coupling parameter
alphaJA (3×3 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