Home / Examples / Magnetic Analysis (Gauss, Static Analysis/Harmonic analysis) / Example 21: Inductance of Conductor with Uneven Current Density

Example 21: Inductance of Conductor with Uneven Current Density

General

• In this model, the current flows unevenly in a conductor .
   

• The vectors of the magnetic field and the magnetic flux density are also solved.
   

• Unless specified in the list below, the default conditions will be applied.
   

• Obtain this session's project file. (Right-click and choose 'Save link as')




• Results will vary depending on Femtet version and the PC environment.

 

Analysis Space

Item	Settings
Analysis Space	3D
Model Unit	mm

Analysis Conditions

Item	Settings
Solver	Magnetic Analysis [Gauss]
Analysis Type	Static Analysis
Options	N/A

Model

The model is a conductor (Metal). There is a rectangle hole in the middle.

The current separates and merges at the hole, where the current density changes.

Body Attributes and Materials

Body Number/Type	Body Attribute Name	Material Name
4/Solid	Metal	008_Cu *

* Available from the material DB

 

Body attribute is set up as follows to apply current to the coil.

Body Attribute Name	Tab	Settings
Metal	Current	Waveform: Constant Current: 1 [A] Turns: 1 [Turns] Direction: Specify Inflow/Outflow faces Select inflow face and outflow face.

Boundary Conditions

No setting.

Results

To see the results of inductance calculation, go to the [Results] tab

 

 

 and click [Show Numerical Summary Table] .

 

 

 

The vectors of the current density are shown below.

 

The vectors of the magnetic field are shown below.