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Energy Distribution Analysis - Display Tab

Energy Distribution Analysis - Display Tab

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Energy Distribution Analysis - Display Tab

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From the Display sub-tab, select one of the methods listed below to display the energy contribution data.  To activate this tab, you must have first loaded the files from the Load tab.

hg_nvh_energy_dist_display_tab

NVH-Utilities Browser - Display tab (Energy Distribution Analysis)

Option

Description

Bar

Allows you to plot energy distribution on a bar chart.

First, enter a specific frequency in the Specific frequency field, or use the slider bar to select a frequency value.  When you use the slider bar to select a frequency, a red line is displayed on the response plot and is dragged simultaneously as you drag the slider bar.  The default scale is percentage (%), meaning all energy contributors are scaled by the total system energy, and plotted in percentages of it.

 

Comparator Level

Subsystem (L1) – Energy distribution is combined to the subsystem (modules next to the root or all connections in the assembly) level.  See the Comparator Group Level table for more information.

Component (L2) – Energy distribution is combined to the component (module or connections owned by a module) level.

Contributor (L3) – Energy distribution is presented at the contributor (sum of FE components or individual connection) level.

Element (L4) – Energy distribution is presented at the individual FE element level (only available for Contour plots).

System Modes – Energy distribution is presented at the individual system modes level.

 

Show highest contrib.

Select the number of the highest contributors to display.

Available numbers are 1 though 20 in increments of 1, and All.

Optionally, you can filter energy contributors to a smaller set by selecting the Filter Contrib. dialog icon, filter-24.

 

Rank by

Magnitude - Contributors are ranked by their magnitude.

Magnitude AVG - Contributors are ranked by the average magnitude value over the frequency range.

Contour

Creates a contour plot of the energy distribution at a specific frequency.

Enter a frequency in the Specific frequency field, or use the slider bar to select a frequency value.  When you use the slider bar to select a frequency, a red line is displayed on the response plot and is dragged simultaneously as you drag the slider bar.

All other options are similar to those for the Bar plot, except for the check box that turns on the exploded view.  The default scale is linear.

2D Line

Creates a plot of energy distribution on a 2D line plot (overlay).

Frequency range indicates the available range, based on the frequencies used during the Energy Distribution Analysis.

Using the From and To fields, you can customize your own frequency band.

All other options are similar to those for the Bar plot.  The default scale is percentage (%), meaning all energy contributors are scaled by the total system energy, and plotted in percentages of it.

Sand Dune

Creates a plot of energy distribution on a Sand Dune plot, in which each the energy contributor is added on top of others, giving each contributor a unique color band.

Frequency range indicates the available range, based on the frequencies used during the Energy Distribution Analysis.

Using the From and To fields, you can customize your own frequency band.

All other options are similar to those for the Bar plot.  The default scale is percentage (%), meaning all energy contributors are scaled by the total system energy, and plotted in percentages of it.

3D Bar

Creates a plot of energy distribution on a 3D Bar plot.

Frequency range indicates the available range, based on the frequencies used during the Energy Distribution Analysis.

Using the From and To fields, you can customize your own frequency band.

All other options are similar to those for the Bar plot.  The default scale is percentage (%), meaning all energy contributors are scaled by the total system energy, and plotted in percentages of it.

Display options

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

Display

Click Display to display the response plot.

 

hg_nvh_energy_dist_bar_plots

NVH-Utilities Browser – Bar plots (Energy Distribution Analysis)

hg_nvh_energy_dist_contour_plots

NVH-Utilities Browser – Contour plots (Energy Distribution Analysis)

hg_nvh_energy_dist_2DLine_plots

NVH-Utilities Browser – 2D Line plots (Energy Distribution Analysis)

hg_nvh_energy_dist_sanddune_plots

NVH-Utilities Browser – Sand Dune plots (Energy Distribution Analysis)

hg_nvh_energy_dist_3DBar_plots

NVH-Utilities Browser – 3D Bar plots (Energy Distribution Analysis)

See Also:

Energy Distribution Analysis - Load Tab

Energy Distribution Analysis - Study Tab

Display Options Dialog

Filter Contributors Dialog