Cuboid Parallel Flux
Cuboid with flux in direction of motion, e.g., air gap with rectangular cross-section; constant permeability
Description
Equations
Variables
Connections
Parameters
Modelica Standard Library
The Cuboid Parallel Flux Reluctance Force (or Cuboid Parallel Flux) component models the generation of a reluctance force in an air-gap with a rectangular cross-section. The movement of the flange corresponds to the length of the air-gap.
B=ΦA
Fm=12⁢Vm2⁢dGmdx
Gm=μ0⁢μr⁢Aℓ
Rm=1Gm
Φ=Φp=−Φn
Vm=Vmp−Vmn=Rm⁢Φ
dGmdx=−μ0⁢μr⁢Aℓ2⁢dℓdx
fflange=−Fm
Name
Units
Modelica ID
Vm
A
Magnetic potential difference between both ports
V_m
Φ
Wb
Magnetic flux from port_p to port_n
Phi
Fm
N
Reluctance force
F_m
s
m
Distance between flange and support
Rm
H−1
Magnetic reluctance
R_m
Gm
H
Magnetic permeance
G_m
dGmdx
Hm
Derivative of permeance with respect to armature position
dGmBydx
ℓ
Axial length (in direction of flux)
l
B
T
Homogeneous flux density
portp
Positive magnetic port
port_p
portn
Negative magnetic port
port_n
flange
Generated reluctance force at armature position
support
Conditional Support Flange
Default
μr
1
Relative magnetic permeability
mu_r
dℓdx
Derivative of flux tube's varying dimension with respect to armature position; set to +1 or -1
dl/dx
a
0.01
Width of rectangular cross-section
b
Height of rectangular cross-section
Use Support
false
True (checked) enables the support flange
useSupport
The component described in this topic is from the Modelica Standard Library. To view the original documentation, which includes author and copyright information, click here.
See Also
Magnetic Force
Magnetic Library
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