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Auto Disable Modes by Strain Energy

Flexible Body Modify dialog box → auto
Lets you disable or enable modes based on their contribution of strain energy. Learn more about Enabling and Disabling Modes Based on Strain Energy Contribution.
 
For the option:
Do the following:
Flexible Body Name
Enter the name of the flexible body to modify.
Analysis Name
Enter the name of a pilot simulation.
Energy Tolerance
Enter a fractional value. Adams Flex will disable all modes that contributed less than the specified fraction to the total strain energy during the test simulation. For example, to disable all modes that contributed less than 0.1% of the strain energy, enter 0.001.