The modal contribution factors (MCF) plug-ins are a noise, vibration, and harshness (NVH) application that allows you to compute the output from a modal frequency response analysis and to study the contribution of each mode to the total structural or acoustic response.

The following topics are covered:

• “Introduction,” Section 82.6.1

• “Preparing the structural and/or acoustic data,” Section 82.6.2

• “An overview of the MCF plug-in,” Section 82.6.3

• “Computing the modal contribution factors,” Section 82.6.4

• “Displaying modal contribution factors,” Section 82.6.5

• “Ranking criterion for modal contribution factors,” Section 82.6.6