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Radiated Sound - Load Tab

Radiated Sound - Load Tab

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Radiated Sound - Load Tab

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From the NVH-Utilities tab > Radiated Sound > Load sub-tab, select an H3D or PCH results file.

You can plot a response for the following result types: Equivalent Radiated Power, Sound Power, or Sound Pressure.  The options on the tab vary depending on your selection.

hmtoggle_plus1greyPlotting a Response
1.From the Load tab, under File Selection > Result, load the result file to view and load the model.
2.Make a selection from the Subcase drop-down menu.
3.Select a Result type from the drop-down menu: Equivalent Radiated Power, Sound Power, or Sound Pressure.
4.If you select Equivalent Radiated Power:
•From the Result component drop-down menu, select a panel.
•Click Load Response to plot the response:
•Linear/dB (Magnitude)
•Linear/Octaves (Frequency)

The utility automatically switches to the Display tab.

5.If you select Sound Power for the result type:
•For Result set, select Source Side or Receiver Side.
•Click Load Response to plot the response.

The utility automatically switches to the Display tab.

6.If you select Sound Pressure for the result type:
•For Result set, select Sound Pressure or Power from Pressure.
•For Receiving Panels, select a set that corresponds to particular source nodes.  This can be used for panel participation.
•For Result component, select the microphone location:
oSelect a node from list
oSelect the microphone location from model
•Click Load Response to plot the response.

The utility automatically switches to the Display tab.

radiated_sound_load_results

Radiated Sound NVH Utility - Load Tab - Equivalent Radiated Power response plot

Option

Description

File selection

From the Load tab, under File selection/Result, select an Altair.h3d file or .pch file and click Load.  Upon reading the file, the Result selection fields are populated.

Result selection

The following fields are available under Result selection.  Once the result selection options are complete, select Load Response to further investigate the data.

 

Subcase

Select an analysis subcase.

 

Result type

Select a participation result type.  Options include:

•Equivalent Radiated Power
•Sound Power: SPOWER
•Sound Pressure

 

Result Set

If you select Sound Power for the Result type, select either Sound Side or Receiver Side.

If you select Sound Pressure for the Result type, select either Sound Pressure or Sound Power from Pressure.

 

Receiving Panels

Select a set that corresponds to particular source nodes.  This can be used for panel participation.

This option is available only if you select Sound Pressure for the Result type.

 

Result component

To select the microphone location, select a node from list and then select the microphone location from model.

This option is available only if you select Sound Pressure for the Result type.

Field Mesh Selection

Select either Full Sphere or Half Sphere for the mesh display.

Spherical Radius indicates the radius of the mesh.

Switch to Model

Makes the model displayed in the HyperView window the active window and displays the HyperView Load model and results panel.

Display Options

The Display Options dialog allows you to customize the plot, including scale, weighting, octave band, and the plot layout.

Load Response

Once the result selection options are complete, select Load Response to display the file data.

See Also

Radiated Sound

Radiated Sound - Display Tab

Radiated Sound - Study Tab

Display Options