Spring 2013 Course Attendee Reviews:

Practical Rotordynamics for Real Machinery

March 25 - 29, 2013 in Charlottesville, VA

Instructors: Malcolm E. Leader, Mark Corbo, Erik Swanson


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Thanks again to all of the participants!


Spring 2013 DyRoBeS Feedback Results

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Excellent/YesOKPoor/No
1The instructors knowledge of DyRoBeS was:8
2The exercises to practice using DyRoBeS were:71
3The pacing of the course was:53
4The amount of material covered was:53
5The amount of interaction encouraged was:71
6Was your interest held?62
7Was your time well spent in the course?62
8Would you recommend this course to others?7NA1
9Would you recommend this group of instructors to others?8NA

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Responses to "What was particularly helpful about the course?"

  • Hands on exercises
  • Learn terminology
  • Exercises were good practice
  • Exercises/workshops
  • Hands on examples
  • Working examples
  • Great instruction of the software, make the course/program very easy to understand


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Responses to "What would you recommend changing about the course?"

  • Could easily be expanded into 2-day workshop
  • Integrate this course with the first course
  • Add more (pump horizontal) w/motor/gear box examples, possibly add in a table of possible mistakes in modeling
  • Nothing
  • Having results or sample models to compare our own results with
  • Nothing really to change. Maybe have a follow along example that fits within demo software


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Responses to "Now that you have completed this course, what additional training (if any) would be helpful?"

  • Possibly DyRoBeS workshops, aside from basic rotor course
  • Need to take this information to the work place before I can answer this question
  • Practice
  • More complicated examples
  • Actual model building or completed samples & results from the same problem definition to compare own results with


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Other comments or feedback:

  • Great instructors - wonderful opportunity to meet/interface with these renowned industry experts
  • Enjoyed this course so much! Thanks for the week!



Spring 2013 Rotordynamics Short Course

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Excellent/YesOKPoor/No
1The instructors knowledge of rotordynamics was:21
2The pacing of the course was:1011
3The amount of material covered was:128
4The amount of interaction encouraged was:1371
5Was your interest held?912
6Was your time well spent in the course?138
7Would you recommend this course to others?174
8Would you recommend this group of instructors to others?21

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Responses to "What was particularly helpful about the course?"

  • Gave a nice overview of rotordynamics. A lot of material presented. It was good to see and learn about the terminology and dynamic components/considerations of other types of equipment that I donít work on. Overlapping of material in presentations is helpful
  • First 3 days
  • Meeting others in or near my field; my area of interest is torsional drivers and response of turbomachining; I liked cased studies
  • Case histories, level of detail in equations & procedure, library of reference books (everything)
  • All topics relatively new material for me. Modal testing will be particularly useful since I do a lot of plant troubleshooting.
  • I'm looking forward to trying DyRoBeS to expand on troubleshooting. Pump material will also be helpful.
  • Real world applications/case studies were very helpful in bringing theory together
  • Torsional analysis; troubleshooting techniques
  • Broad range of topics covered; related technical papers great supplement
  • Everything was very helpful
  • The case studies gave a unique insight to the lessons, also kept the course interesting
  • The level of detail provided with all talks, especially the introductory ones & the torsional talk
  • Wide range of material and examples
  • Nice introduction/refresher to the material. Very open teachers, great session!
  • Bearings
  • Learning concepts of rotordynamics and bearing design. Understanding what changes to look at to solve problems
  • Keeping the documents and good info
  • Lots of practical examples
  • The first day was a very good foundation
  • Case studies; actual examples
  • The relativeness of topics is definitely helpful. All topics were very information and gave a good overview.


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Responses to "What would you recommend changing about the course?"

  • Take short breaks every hour (at least in the afternoons) e.g. 5 minutes. Presentations are long covering a lot of details/material, so gets a little hard to stay focused.
  • Need more time on torsional analysis
  • Try offering a suite of sub-courses (participants can focus on their interests; reduces o/a time
  • More case studies, hands on with working through an analysis through hand calculations
  • Bode plots, probe info, data acquisition
  • More integrated DyRoBeS training instead of all on final day. DyRoBeS walkthrough after lecture would be helpful.
  • I would have liked to learn a little about balancing also
  • Including DyRoBeS during the course & bring some practical modelling
  • Additional case studies or applications of content
  • Make interactive workshops mandatory
  • Shorten some of the longer presentations
  • Nothing really can be changed. It's a lot of material but it isn't worth it to make it longer
  • Too much overlap
  • More in class interaction, possibly include DyRoBeS with the lecture
  • Structure needs to be more clear. It would be nice if this was more a how-to guide with structure
  • I think exercises throughout the training would help break up the training and ensure the class is tracking with the material
  • Perhaps more content on "clean sheet" design practices, do's & don'ts, best practices
  • More theory w/real life case example. Most importantly there should be an example of lateral calculation and torsional calculation should be performed by hand or DyRoBeS
  • Need to add more horizontal pump w/motor & gearbox need to be added


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Responses to "Now that you have completed this course, what additional training (if any) would be helpful?"

  • I need to go back through the info that pertains specifically to the compressors I work on.
  • Hands on (software) torsional analysis
  • DyRoBeS; WOW! Three experts sharing their perspective
  • More indepth field troubleshooting. I will likely identify additional training needs after trying to apply the material.
  • Perhaps more emphasis on calculating/modeling roller element bearings for stiffness
  • Those mentioned above
  • More in-depth trainings on specific components/machines
  • I will need to do the software training
  • I would like more information on stability and what it can affect
  • Additional training with hands on torsional & lateral analysis
  • Practice with real problems
  • Looking forward to the software use
  • I would take it again if the above change was made.
  • That will be easier to answer in a few months after this material has been absorbed and applied
  • Perhaps an advanced course, consisting of 3-day class/course, plus 2-day hands on exercises or advanced DyRoBeS workshop
  • Sample calculations of lateral & torsional


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Other comments or feedback:

  • Appreciate the opportunity for additional questions after the course. A very comprehensive approach for rotordynamics from design standpoint as well as problem solving. Enjoyable dinner outing to encourage participant interaction.
  • I really liked the format of the course material (combination of presentations & detailed papers.
  • Hand calculation example handouts to check DyRoBeS output
  • Nothing else
  • Great course, very informative and interesting
  • Please fix presentations, going through with errors was a little bit frustrating at times
  • Could have run through one example (simple) with all the math and calculations
  • Glad to be here, great time! Thanks again!
  • One possible way to improve the class might be to incorporate the use of DyRoBeS throughout the week. Small exercises could be completed using "already built" models.
  • Wonderful opportunity to meet and interface with these renowned industry experts
  • In the DyRoBeS example given a sample pump setup should be provided to act as a template/check