Directivity of Magnetic Field(Near field)examples|products|Murata Software Co., Ltd.

Example17 Directivity of Magnetic Field(Near field)

General

  • The magnetic field generated by a loop coil is analyzed.
     

  • The vectors and the directivity of the magnetic field 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

 

Model

A solid body of loop coil is defined.

When you calculate the directivity, select open boundary as outer boundary condition.

Body Attributes and Materials

Body Number/Type

Body Attribute Name

Material Name

Mesh Size

2/Solid

Coil

008_Cu *

0.25

* Available from the Material DB

Body Attribute Name

Tab

Settings

Coil

Current

Waveform: Constant

Current: 1[A]

Turns: 1[Turns]

Direction: Loop Coil/Magnetic Field Direction:

Magnetic Field Vector: X=0, Y=0, Z=1

Boundary Conditions

Open boundary is set for the outer boundary condition.

Boundary Condition Name/Topology

Tab

Boundary Condition Type

Settings

Outer Boundary Condition

Electric

Open boundary

 

Results

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

 

The chart below shows the directivity of the magnetic field. (θ: min 0.0[deg], max 180[deg], step 18)