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ME 621 Noise and Vibration Control

Catalog Description

ME 621 Noise and Vibration Control (3). Prerequisites: ME 314 and ME 435. Practical aspects of noise and vibration control are studied. Methods for measuring and analyzing noise and vibration. Methods for selecting design criteria. Methods for quieting a product.

Prerequisites by Topic

  1. Differential equations.
  2. Linear system dynamics.


I.L. Ver and L.L Beranek, Noise and Vibration Control Engineering, Principles and Applications, Wiley, 2006.


L.E. Kinsler, A.R. Frey, A.B. Coppens and J.V. Sanders, Fundamentals of Acoustics, 3rd edition, Wiley & Sons, 1982.


C.M. Richards, Associate Professor of Mechanical Engineering.

Course Learning Outcomes

This course provides graduate students with a background in fundamental acoustics and vibration principles, along with the analytical, computational, and design skills needed to apply these principles to the solution of noise and vibration problems in mechanical systems.

Topics Covered

  1. Introduction to vibration control (1 class).
  2. Excitation mechanisms and types of excitation (2 classes).
  3. Digital data acquisition and signal processing (6 classes).
  4. Frequency response estimation (3 classes).
  5. Modal parameter estimation techniques (6 classes).
  6. Frequency response function synthesis (2 class).
  7. Modal modification (1 class).
  8. Introduction to acoustics (1 class).
  9. Reflection and transmission of normally incident plane waves (6 classes).
  10. Steady state analysis (4 classes).
  11. Noise transmission (4 classes).
  12. Normal modes in Cartesian coordinates (4 classes).
  13. Examinations (1 class and 2½ hours).

Computer Use

Projects require use of MATLAB and other analysis software. LabView is used for data acquisition and analysis.

Laboratory Projects

  1. Modal analysis of a vibrating beam.
  2. Introduction to LabView.
  3. Fast Fourier Transform including windowing.
  4. Acoustic filters.
  5. Sound and vibration measurements.

Class/Laboratory Schedule

Three 50 minute sessions per week devoted to lecture, discussion, experimentation and problem solving.


Quizzes 20%, midterm exam 20%, projects 40%, final exam 20%.

Professional Component Contribution

Engineering science: 2 credits, engineering design: 1 credit.

Relationship to Program Outcomes

This course supports Mechanical Engineering program objectives by developing:

  • An ability to apply knowledge of mathematics, science, and engineering in the field of mechanical engineering.
  • An ability to design a system, component, or process to meet desired needs in the field of mechanical engineering.
  • An ability to identify, formulate and solve problems in the field of mechanical engineering.
  • A recognition of the need for, and an ability to engage in, life-long learning in the field of mechanical engineering.
  • An ability to use the techniques, skills, and modern tools necessary for the practice of mechanical engineering.

Prepared by C.M. Richards, March 2006

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