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Successful Modal Testing: Understanding Mass Loading

Company / Organizer PCB Piezotronics, Inc.
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  • Past Event, On Demand
  • Original Date: May 13, 2021

Accelerometer mass loading can have an effect on measured FRFs, especially when there is a stationary hammer hit and the accelerometers are roving on the structure to acquire all the measurements. The mass loading effect is shown with some variations to understand the effect which is especially significant for modal parameter estimation. Discussion on MRIT and how it is useful is also included.

There will be a Q&A session after the presentation.


Dr. Peter Avitabile

Professor Emeritus, Mechanical Engineering
Structural Dynamics and Acoustic Systems Laboratory
University of Massachusetts Lowell

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