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Mass Participation (Normalized)

You can list mass participation ratios in the global X, Y, and Z directions normalized with respect to the total mass after running a frequency study. Mass participation ratios are important in determining the adequacy of the calculated modes to solve dynamic problems with base motion. Many codes require that at least 80% of the mass of the system participates in specified directions.

To list mass participation factors:

  1. Run a frequency or a linear dynamic study.

  2. Right-click the Results folder and select List Mass Participation.

The Mass Participation (Normalized) dialog box opens.

  1. Click Save to save the listed information to an Excel (*.csv) file or to a plain text (*.txt) file.

Related Topic

Listing Results

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