Inductances of Two Loop Coilsexamples|products|Murata Software Co., Ltd.

Example12 Inductances of Two Loop Coils

General

  • Two united helical coils are solved.
     

  • The coupling coefficient, the vectors of the magnetic field and the magnetic flux density are solved.
     

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

 

Analysis Space

Item

Settings

Analysis Space

3D

Model unit

mm

Analysis Conditions

Item

Settings

Solvers

Magnetic Field Analysis [Gauss]

Analysis Type

Static analysis

Options

N/A

 

Set the Mesh Tab as follows.

Tab

Setting Item

Settings

Mesh

Meshing Setup

Automatically set the general mesh size: Deselect

General mesh size: 2[mm]

Model

Two helical solid body coils (Coil1, Coil2) are defined.

Body Attributes and Materials

Body Number/Type

Body Attribute Name

Material Name

0/Solid

Coil

008_Cu *

3/Solid

Coil2

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

Coil

Current

Waveform: Constant

Current: 1[A]

Turns: 1[Turns]

Direction: Specify Inflow/Outflow Faces (In the Air Box):

Select inflow face and outflow face.

Coli2

Current

Waveform: Constant

Current: 1[A]

Turns: 1[Turns]

Direction: Specify Inflow/Outflow Faces (In the Air Box):

Select inflow face and outflow face.

Boundary Conditions

No setting.

Results

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

 

 

 click [Table] .

 

 

 

The vectors of the magnetic flux density are shown below.

 

The vectors of the magnetic field on YZ plane are shown below.

The strong magnetic field is generated inside coils in the negative Z direction.

 

The vectors of the current density are shown below.

The current is flowing as set for the coil.