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This course offers a comprehensive exploration of the fundamental principles and advanced techniques in analyzing and managing rotordynamics and vibrations in mechanical systems. Through a combination of theoretical concepts, practical applications, and hands-on exercises, students will develop a strong understanding of torsional natural frequencies, vibrations, critical speeds, and design modifications to optimize rotor behavior.

The course covers various topics, including computational methods, experimental measurements, design considerations, and computer simulations to accurately analyze and model rotor behavior. By the end of this course, students will possess the knowledge and skills necessary to tackle real-world challenges related to rotordynamics, perform vibration measurements, make design modifications, and implement computer simulation programs to evaluate and optimize rotor performance.

Actual case studies are reviewed to demonstrate each of the discussed principles.

Prerequisites: Four years or more training in mechanical technology or mechanical engineering at an accredited college, university or technical school is strongly recommended. Candidates should have a working knowledge of differential equations, use a scientific calculator, and be familiar with the operation of personal computers. 

Recommended Text (included with course): 
Practical Rotordynamics and Fluid Film Bearing Design
Wen Jeng Chen, PhD, PE
Eigen Technologies, Inc.
Davidson, NC 28036
ISBN 978-4907-6230-2

Course Length: 40 Hours 

Certification Exam: Red Wolf Reliability exam will be provided as part of the course. It will consist of 50 questions, 2 hours time limit, closed book but a summary sheet of formulae is provided, passing score is 75% correct. *This exam is one of three recommended for CAT IV Certification.

Learning Objectives: Students who successfully complete this course will be able to:

  • Compute and model torsional natural frequencies and mode shapes
  • Measure torsional vibration using a variety of methods
  • Predict critical speeds and determine design modifications to change critical speeds
  • Calculate balance correction masses and locations for flexible rotors
  • Predict threshold speeds for dynamic instabilities and determine design modifications to manage instabilities '
  • Implement computer simulation programs for modeling rotor behavior
  • Understand various bearing and seal designs, and their potential effects on the rotordynamics

Assessment Methods:

  • Problem-solving assignments: Apply theoretical concepts to solve practical problems related to rotordynamics, vibrations, and critical speeds.
  • Laboratory experiments: Perform hands-on experiments to measure and analyze torsional vibration, critical speeds, and rotor behavior using appropriate instrumentation.
  • Case studies: Analyze real-world case studies of rotor systems, identify potential issues, and propose design modifications or improvements to address dynamic instabilities and optimize performance.
  • Computer simulations: Utilize computer simulation programs to model and predict rotor behavior under various operating conditions, and interpret and analyze the results.
  • Demonstrate comprehension of key concepts, principles, and techniques through written examinations, assessing theoretical knowledge and problem-solving skills.

Student Reviews

The class was great! I’ve already recommended it to a few other people. There was a good balance between theoretical background and hands on experience. I was also impressed how Mitch and Chad were very responsive to my particular concerns.

Andrew Wilwerding, H-1 FST, Drives & Diagnostics

Aug, 11th. 2023

Reviewed Instructor(s)


Chad Wilcox


Mitch Stansloski

CEO, PhD., P.E.