MODMAC Evolution

Use the MODMAC Evolution option to determine:

• Which candidate DOFs best reduce the off-diagonal MAC values.

• When the maximum off diagonal MAC limit value is reached.

• The number of required DOFs to reduce the values of the off-diagonal elements in the MAC matrix.

MODMAC Evolution

This bar chart shows the successively added DOFs along the X-axis and the corresponding MODMAC value after including this DOF along the Y-axis. The X-axis is sorted from the DOFs that best reduce the off-diagonal MAC values to lesser ones. The first DOF represents the maximum off-diagonal MAC of the initial sensors. In the absence of initial sensors, the solver sets it to 1.0.

Where do I find it?

Application	Pre/Post
Prerequisites	Pre-test solution process
Simulation Navigator	Right-click the MODMAC node→Correlate
Location in dialog box	Output list→MODMAC Evolution

How do I

Display correlation metrics as 2D matrix plots

Edit 2D matrix plot display

Export correlation metric results

Display COMAC results in Post Processing

Plot mode shapes of the work and reference solutions

Display the MAC Contribution results

Display overlay FRFs at specified stretch parameter

Learn more

Correlation metrics

MAC Contribution

FRF pair XY plots

FRAC plots

Quick links

Command reference

Pre/Post video examples

Bulk Entry Descriptions

Simcenter 3D tutorials

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MODMAC Evolution, Simcenter 3D 2021.1 Series

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