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# Example16Anisotropic Conductor

### General

• An anisotropic conductor is placed in an isotropic conductor.

• A certain voltage is applied across the model.
The distributions of the electric field and the current 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

Select “Static analysis” as the potential is static.

Select “conductor” as the material type.

 Item Settings Solvers Electric Field Analysis [Coulomb] Analysis Type Static analysis Material Type Conductor Options N/A

### Model

The anisotropic conductor has the highest conductivity in the x direction originally.
The highest-conductivity direction is changed when the anisotropic conductor is rotated during the modeling.

### Body Attributes and Materials

 Body Number/Type Body Attribute Name Material Name 0/Solid Metal 008_Cu * 1/Solid Anisotropic_Metal Anisotropic_Cond

* Available from the Material DB

The conductivity of the anisotropic conductor is set as follows.

Material Name

Electric Conductivity

Anisotropic_Cond

Anisotropy: Select “Anisotropic”.

Set [Conductivity Matrix]*

 5.977 – – 0 0.0001 – 0 0.0 0.0001

X10^7

[S/m]

* This is not the actual material’s property.

### Boundary conditions

 Boundary Condition Name/Topology Tab Boundary Condition Type Settings V0/Face Electric Electric wall Voltage specified, 0[V] V1/Face Electric Electric wall Voltage specified, 1[V]

### Results

The current density vectors are shown below.

The electric field vectors are shown below.

The directions of the current density and the electric field are different in the anisotropic conductor.

• In this exercise, the electric field is applied in the direction of (X, Y, Z)=(1, 1, 0).
However, the direction of the anisotropy can be changed in a different way through the setting of the body attribute (“direction” tab) in Euler angles.
You may set Euler angle (0, 0, 45) on the Direction tab of the body attribute.

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