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Obtaining the modal analysis report

The list of results from the modal vibration analysis can be obtained using the following option, available in the "Modal" section of the top toolbar, within the "Analysis" tab (under the "Structure" tab).

Modal analysis report

The results can be generated as a "Report" after performing the modal analysis using this option.

The following values are shown in a table below for each vibration mode:

  • "Frequency",
  • the period ("T"),
  • the contribution coefficients in the directions of analysis (Lx, Ly, Lz, Lgx, Lgy, Lgz),
  • and the percentages of mass displaced in the analysis directions (Mx, My, Mz, Mgx, Mgy, Mgz).

The final row shows the percentages of total tonnage corresponding to the sum of the percentages by mode.

In this list, the most significant percentages of mobilised mass are highlighted in blue for easy identification. This makes it possible to check more efficiently whether the structure’s dynamic behaviour falls within the generally accepted safety and comfort thresholds.