Modal Analysis

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This currently running series written by Peter Avitabile features a variety of topics relating to modal analysis and its use for both analytical and experimental work. Some of the material presented here is excerpted from the multimedia format Modal Handbook on CD. This is the longest running series of articles to appear in Experimental Techniques.

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MODAL ANALYSIS/DYNAMIC SYSTEMS REPORT - Updated May 2013

Chuck Van Karsen stepped down as the co- Chair of the Modal TD with Mike Mains remaining as the chair of the Modal TD.  Chuck passed onto Mike a CD of Modal TD documents

Many SEM Awards go unfilled. The SEM lunch program and the website have a list of all the awards. We were all encouraged by Chuck to look at the awards and nominate qualified individuals.

The Basics of Modal Analysis for the new/young engineer session on Monday was filled and given positive reviews.  The attendance at the vendor presentations has been down with the feeling that the location was removed from the rest of the conference and that the sessions were not advertised in the final program.

To better advertise the vendor presentations for the new/young engineer tract, Jenny suggested that the final program have an entire section devoted to a track for first time IMAC attendees. The idea would be to have the following items grouped together in the final program:

•  Basics of Modal Analysis for the new/young engineer session

• Vendor presentation schedule

• Tutorial on Sensors and Instrumentation I & II

This same information would be located in the Modal TD section of the SEM website, so that it would be very easy to send a single link describing this track. Jenny and Pete suggested that we also promote this track to students at target Universities.

Jason suggested that we have a session on test techniques, Dave Brown to present on impact testing, Tom Carne on test design. This is very similar to the Modal Topics presented at past IMAC’s. This also parallels well with the Experimental Handbook, where chapter authors could present their chapter in a 1 to 1.5 hour session. Pete will provide Mike with his document on the Modal Topics sessions.

Chuck will to organize a session on vibro-acoustics. The hope is to bring more acoustic technology to IMAC. Chuck will contact some folks that normally present at SAE and ISMA. Since Mike works for a company with acoustic expertise he is also willing to provide a paper for this session.

The Modal TD will contact Dan Rixen, Matt Allen, Randy Mayes and Dave Ewings to get a better definition of the Coupled Structures theme for IMAC XXXII and to ensure that there is a tutorial presentation on coupled structures that would benefit those unfamiliar or new to the technology.