Example11 Conductor’s Resistance

General

  • A conductor bar swelled in the middle is analyzed.
     

  • The resistance 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

To calculate the resistance, select Conductor at Material Type.

Item

Settings

Solver

Electric Field Analysis [Coulomb]

Analysis Type

Static analysis

Material Type

Conductor

Options

N/A

Model

Create the bar by performing the boolean operations on the box-shaped solid bodies.

Electrodes are set on the I/O faces of the current with the electric wall boundary condition.

The voltage is applied to the electrodes.

Body Attributes and Materials

Select the aluminum for the material.

Body Number/Type

Body Attribute Name

Material Name

3/Solid

Bone

001_Al *

* Available from the Material DB

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 simulation results for the resistance across the electrodes are output as follows.

 

 

The vectors of the current density are shown below.

The current density is low at the thick portion.