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Example14Harmonic Analysis of Conductor in the Air

General

• Harmonic analysis is performed for the U-shaped conductor in the air.

• The model’s equivalent resistance and capacitance are acquired.

• 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 Electric Field Analysis [Coulomb] Analysis Type Harmonic analysis Options N/A

The frequency of the applied voltage is set as belows.

 Tab Setting Item Settings Harmonic analysis Frequency 1×10^6[Hz] Sweep Select “Linear step by division number”. Division number:

Model

An U- shaped conductor is created with solid bodies.

Different electrical potentials are set on the ends of the U shape conductor.

Body Attributes and Materials

Select the aluminum for the material.

 Body Number/Type Body Attribute Name Material Name 1/Solid U 008_Cu *

* Available from the Material DB

Boundary Condition

The end faces of the U-shaped conductor are set with Electric wall boundary condition. They have different electrical potentials.

 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] Outer Boundary Condition * Electric Magnetic wall

To set Outer Boundary Condition, go to the [Model] tab

and click [Outer Boundary Condition] .

Results

To see the results, go to the [Results] tab,

click [Table] .

The calculated resistance is 5.797e-5[ohm] as shown below.

The calculated capacitance is 6.636e-14[F] as shown below.

The vectors of the current density are shown below.

The vectors of the electric field are shown below.

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