Fall 2015 Course Attendee Reviews:

Practical Rotordynamics for Real Machinery

October 5 - 9, 2015 in Charlottesville, VA

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


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Thanks again to all of the participants!


Fall 2015 DyRoBeS Feedback Results

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Excellent/YesOKPoor/No
1The instructors knowledge of DyRoBeS was:4
2The exercises to practice using DyRoBeS were:31
3The pacing of the course was:31
4The amount of material covered was:31
5The amount of interaction encouraged was:4
6Was your interest held?4
7Was your time well spent in the course?4
8Would you recommend this course to others?4
9Would you recommend this group of instructors to others?4

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

  • Good hands on
  • Great to be able to work through problems with instructor looking over my shoulder
  • Exercise handbook


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

  • Add results report that we would look to match. Give us practice drawing conclusions from the results.
  • Change nothing
  • Instead of several small examples just one full rotordynamic analysis and preparing API compliant report


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

  • Have to go home and work through some of this at my job
  • To generate API compliant rotordynamic report


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Other comments or feedback:

  • Thanks for a great class!



Fall 2015 Rotordynamics Short Course

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Excellent/YesOKPoor/No
1The instructors knowledge of rotordynamics was:18
2The pacing of the course was:98
3The amount of material covered was:135
4The amount of interaction encouraged was:153
5Was your interest held?1611
6Was your time well spent in the course?18
7Would you recommend this course to others?18
8Would you recommend this group of instructors to others?18

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

  • The topics on an operational standpoint were very helpful. Since my company is the end user, some of the design topics provided good information as questions to ask when purchasing equipment
  • The case studies
  • I really liked the bearing information that was presented. Also, some of the reviews of equations for stability sources, etc. were good.
  • A great overview on rotordynamics. Info on bearings and supports. API specs.
  • Everything, a lot to take in.
  • Bearings
  • Practical nature, just enough theory & case studies
  • Lots of case studies; lot of practical knowledge
  • Gaining insight about what a rotordynamics analysis consists of. The amount of real world examples was good and related the design and troubleshooting analysis to actual responses.
  • Practical examples
  • Rotordynamics basics, bearing info
  • Malcolm's "rotordynamics as tool" was my favorite. The course taught me how to better address design issues.
  • The shared experiences from the attendees as well as the instructors. The opportunities for networking were very good as hoped for.
  • Topics that related to couplings, as well as vertical pump application analysis
  • Many elements of our in-house code are hidden especially instability which was explained well in this course; exposed me to many other areas of rotordynamics that we do not deal with
  • For me it was the pump rotordynamics sessions by Mark.
  • Gave a good overview of things to consider when performing rotordynamics analysis; gave a good background of what is going on behind some of the proprietary software I've used. Typically, it is explained as a black box with specific inputs, so the background was helpful.


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

  • From an operations standpoint, I would like to see more case studies and how they were solved. Specific steps on solving the problem would go a long ways to helping me get a better idea of where to start. All of the examples use Dyrobes software, which make it difficult to solve problems if my company wont/can't purchase the software.
  • Having more breaks. Maybe some hands on break-out sessions in small groups 2-5 to do a small analysis.
  • Maybe more details about bearing, seal, etc. changes and how they effect rotordynamics. Also, more explorations into calc methods pros & cons of bearings and seals. Also a little more explanation of the "how" in some case studies (how did you come to solution)
  • Some presentations were clearly too long for allotted time. For me personally, I would have liked to see a bit more math (like Erik's presentations) and less case study stuff.
  • Location! The Woodlands location is not at all convenient. Houston is vast, please do it at central location. It was a terrible commute of 4 hours per day. 2 hours one way. Technical content is good.
  • Temperature of the room (too cold)
  • I would consider including some basic description of terms and components for people who might not be familiar with everything
  • Few examples of real world rotordynamics analysis from scratch to end
  • Nothing
  • I would try and include one section each day for each different area. That way there is something for everybody each day.
  • Nothing, it was excellent
  • I think for the needs of my industry, I would like to see a separate and probably shorter course that focuses on the basics and on case evaluations.
  • Identifying topics to be covered prior to attending the course more completely.


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

  • It will be interesting to see this applied on our equipmen, or if I can apply it to our equipment. The Dyrobes software will help, if I am able to use it.
  • Dynamic rotor analysis software training
  • Honestly, experience. It would be good to have some analysis examples broken down so I could to try them myself and see how our process stacks up.
  • Guidance comparing analysis results to test data, how to verify models are correct. I think there was some info on this, but, for me, more training on test procedures.
  • Testing, vibration plots, fixing field issues, hands on bearing design.
  • Setting up models (code independent)
  • More time spent on running - doing more rotor modeling
  • Being a novice to rotordynamics analysis, and now understanding the depth it includes, I personally would benefit from reviewing an entire analysis and tracing the steps and how the course topics relates
  • More training in own specific product line
  • Hands on experience
  • More training for aircraft/helicopter engineers


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Other comments or feedback:

  • The case studies were very good. These provide more insight to an operational aspect. They provided ideas on what to look for while our equipment is running. Talks after the class were extremely helpful. The instructors looked at my equipment (photos) and provided great advise on modeling our equipment.
  • Excellent class with great real life examples.
  • You guys all have a lot of experience and are good at teaching it. I would love to see a second level of this class.
  • Super training! Good material and very useful to meet the others in the class. I liked the diverse group. Gives me a good perspective of where motors fit in.
  • Good blend of theory & applications. A brief checklist suymmarizing key steps & critical decision points for the various analyses.
  • If you have any course or training for bearing design, then I would like to attend. Ref's on the agenda, do not match with the lecture.
  • Really enjoyed the mix of theory and practicality
  • Overall the experience was very good
  • I enjoyed the course.
  • Overall course was great. Lots of good knowledge about the industry.


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Comments on group dinner, restaurant, transportation:

  • Group lunches needed heat. The food is good. Eating with the group was very good because it allowed meeting other folks and hearing stories about equipment. Hotel was pricey so I stayed offsite.
  • Fine
  • Hotel was fine.
  • Better location.
  • Good food at lunch at the hotel
  • ok
  • Venue for course was good. Lunches were good. Hotel was expensive but plenty of nearby alternatives.
  • Hotel was great, Hilton Garden Inn.
  • Meeting room was good but usually cold, food was good.
  • All accommodations were good.
  • I thought the accommodations were very good.
  • The hotel was a bit far from downtown; overall, the stay has been good.