Viewing the Simulation Results

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You've created your model in Designer, run it on the cloud and now you want to see the results in Post Processor. Great!

First, though, let's take a super quick look at the interface of Post Processor. Read through that article, then come straight back here to explore your results!

Opening the Results Files

In the File Explorer, find the folder containing the results that you downloaded. Double-click the .flxdato and .flxhst files to open them in Post Processor.

Plotting Data Array (Maximum Displacement in Y)

In Results Manager, in Data Out, expand Time and double-click ydmx.

The model is shown in the viewport. Click and drag to rotate it.

maximum-displacement-in-y.png

Plotting Time History

Now let's plot the time history.

  1. In the Home tab of the ribbon, click Reset Viewport > Reset All Viewports.
  2. In the Results Manager, in Flex History, double-click piez load1:Charge to plot the charge time trace. This is a time history curve that shows how the charge is lost in the electrode.

time-history.png

If you wish, in the Plot Controls, you can set a Plot Title (such as Charge Top Electrode) and a Y-axis Label (such as Piezoelectric Charge).

Tip: To zoom in on the curve, click and drag to draw a rectangle around the area you want to zoom in on. To zoom out again, just right-click.

Displaying the Frequency History Curve Using FFT

Last, let's perform a Fast Fourier Transform (FFT) of this time history curve to see what it would look like in the frequency domain.

  1. In the Home tab of the ribbon, click Configure Viewport > 2_1 to split the viewport in half, so that we can view the second curve below the first one.
  2. Click the new viewport area to select it.
  3. In the Results Manager, click (but don't double-click!) pize load1:Charge.
  4. In the Home tab of the ribbon, click FFT Record. New items appear in Results Manager > Frequency History.
  5. In Results Manager > Frequency History, double-click load1:Charge.ma.

What Next?

That brings you to the end of this introductory tutorial, but there are plenty of other tutorials in our Help Center, plus example models to explore and videos to watch.

You might also like to try playing around with some of the settings in this model and running it again. For example, you could try adding some other outputs.

You should be familiar with the basics now and ready to start exploring OnScale further. Good luck!

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2 comments

  • Hi, Gavin ... When double-clicking any time history data, how to know the physical unit of y-axis for each data? The end user is supposed to know when defining the output data, but sometime he/she may forget.

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  • Hi James,

    All of the units we use are SI units.

    Best Regards,
    Chloe.

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