General
Home / Examples / Magnetic Analysis (Gauss, Static Analysis/Harmonic analysis) / Example 26: Permeance
The permeance of a magnet is calculated.
Unless specified in the list below, the default conditions will be applied.
Results will vary depending on Femtet version and the PC environment.
Item |
Settings |
Solver |
Magnetic Analysis [Gauss] |
Analysis Space |
3D |
Analysis Type |
Static analysis |
Model Unit |
mm |
Options |
N/A |
The permeance of a spherical magnet is calculated.
The magnetizing direction of the magnet is +Z by default.
Body Number/Type |
Body Attribute Name |
Material Name |
1/Solid |
mag |
mag |
* Available from the material DB
The material properties are set up as follows:
Material Name |
Tab |
Properties |
mag |
Permeability |
Material Type: Permanent Magnet |
Magnet |
Magnetization Strength: 1.0 |
Open boundary is set for the outer boundary condition.
Boundary Condition Name/Topology |
Tab |
Boundary Condition Type |
Settings |
Outer Boundary Condition |
Electric |
Open Boundary |
|
Permeance coefficient is given by
Pc = B/u0H
where B is the magnetic flux density [T], H is the magnetic field [A/m] and u0 is the permeability of vacuum, 4πx10-7.
Set the field type to [Permeance Coefficient] to show a contour diagram.
