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Current

The Bulk Current Probe tool allows the easy computation of bulk electric current through or on large structures of extended geometry such as an aircraft fuselage. Many bulk current responses can be computed over a variety of structures. This includes currents on single geometric lines.

Instructions

  1. ClickBulk Current Image 16 Current within the Probes section under the EMA3D tab in the ribbon.

    2. current probe 1

  2. In the Properties Panel, adjust the probe properties as desired. Note that the current probe computes the integrated net current flux through each probe integration/measurement location in the normal direction chosen.

    3. current probe 2

  3. Two options for setting the probe will appear in the top left of the model window. The top, default optionDrag Box Image 16 defines the integration boundaries of the current probe using a drag box with directional arrows. The second optionSelect Body Image 16 defines the integration boundaries of the current probe based on a selected body.

    4. current probe 21

  4. Click OKCheck Image 16 to complete the probe definition.

  5. Adjust the definitions of the probe at any time by right clicking it within the Simulation Tree and selecting Edit from the pop-up menu.

    6. current probe 41
General
Options

Entry

Meaning

Name

Name of the probe.

Normal Direction

Normal direction to integration surface.

Normal Direction Sign

Sign of current results through the normal surface.

Conduction Current Only

Capture conduction and displacement currents or just conduction current.

Skip Factor

Number of indices in the perpendicular direction to skip between integration surfaces.

Bounds
Bounds Options

Entry

Meaning

Min - X

Minimum X location of the probe.

Min - Y

Minimum y location of the probe.

Min - Z

Minimum z location of the probe.

Max - X

Maximum X location of the probe.

Max - Y

Maximum y location of the probe.

Max - Z

Maximum z location of the probe.

Time
Time Options

Entry

Meaning

Start - Match Domain

Match the start time to the FDTD domain.

Start - Value

The probe start time.

Step - Match Domain

To which domain to match the probe time step: Domain matches the probe time step to the FDTD domain time step. Frequency sets the probe time step such that it captures up to the highest supported frequency of the domain (this time step is coarser than the Domain time step and results in smaller files). False allows the user to set the probe time step manually.

Step - Value

The probe time step.

End - Match Domain

Match the end time to the FDTD domain.

End - Value

The probe end time.

See Also

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