Overlaying post-processing scenarios

You can overlay multiple post-processing scenarios in a single viewport. Overlaying scenarios is a useful for benchmarking, comparing simulation results with test measurements, or comparing the results of solver runs with different loads. You can overlay the same post-processing scenario, each time with different selections or data sources, or you can overlay different types of scenarios in the same viewport.

Overlaid scenario with a target .csv file

In this example, the simulated pressure result on an acoustic node of a car cavity is overlaid on the target data, which is imported from a .csv file. For the frequencies for which the pressure values are above the target curve, you must improve the design so the pressure values come below the target curve. In the above example, this would require adding trimming material and providing additional damping to get the peak at 11.5 Hz below 113 dB.

Post-processing scenarios that can be overlaid

The following lists the scenarios that can be overlaid. If two scenarios cannot be overlaid because their data is incompatible, a warning appears. In addition, the visualization may switch to a visualization appropriate for displaying the values for both scenarios. For example, if you overlay a Color Bar visualization over a XY plot, the visualization switches to an XY plot. In addition, if one of the overlaid scenarios contains complex results, the display switches to complex results.

• Function PlotsYou can overlay all visualizations of the Functions Plots scenario: XY plots, color bars, and bar charts. The display may switch to a visualization appropriate for showing the values as explained next. XY plotsYou can overlay XY plots on an XY plot, color bar, or Polar scenario. If you overlay XY plots with a color bar or Polar scenario, the visualization switches to an XY plot showing complex results. In addition, if you overlay XY plots and one of the overlaid XY plots contains complex results, the display switches to complex results. Color barsYou can overlay color bars on other color bars or on XY plots. Only color bars representing free functions can be overlaid. Waterfall plots cannot be overlaid. If you overlay a color bar on an XY plot, the visualization switches to an XY plot. It also switches to complex results if one of the overlaid scenarios displays complex results. Bar chartsYou can only overlay a bar chart on another bar chart.

• DirectivityYou can only overlay a Directivity scenario on another Directivity scenario.

• PolarYou can overlay a Polar scenario on another Polar scenario or on an XY plot with complex values. If you overlay a Polar scenario on an XY plot, the visualization switches to an XY plot.

• VectorYou can only overlay a Vector scenario on another Vector scenario.

Managing overlays

Overlaid post-processing scenarios appear under the same Viewport node in the Scenario Based Data-Visualization Navigator as shown in the figure for two Motion Results scenarios from two different data sources.

You can change the definitions and parameters of a single overlaid scenario or apply them to all the overlays.

Connecting overlaid scenarios

When plotting overlaid scenarios, you can use the Synchronize Selection within Viewport command to synchronize common selection variables. For example, you can change all scenarios to plot distance instead of force magnitude.

Layout state and overlaid scenarios

Layout states store a stack of scenarios per viewport. Each scenario in the stack has its own set of data sources and parameters. A layout contains only one display, which can contain viewports within viewports.

For more information about layout states, see Saving and restoring the state of views.

Synchronization and mapping of named nodes

When you overlay post-processing scenarios, if two values that represent the same quantity or selection criterion have the same name, they are considered identical regardless of the actual numerical value.

How do I

Create and edit post-processing scenarios

Overlay scenarios

Animate post-processing scenarios

Align axes of post-processing scenarios

Connect viewports to synchronize probes and variables

Learn more

Creating and editing post-processing scenarios

Aligning axes of post-processing scenarios

Connecting viewports

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Overlaying post-processing scenarios, Simcenter 3D 2021.1 Series

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