Acoustics - 4th year Power

This course is given for 4th Year Power Division. The course will provide theoretical and measurement fundamentals of the science of sound and vibration. This knowledge is used for design of quiet and vibration-free systems such as vehicles, machines and processes.

Overall Objective of the Course

To provide students with the theoretical and measurement fundamentals of the science of sound and vibration.
At the end of the course, the students should both analytically and experimentally be able to apply this knowledge to the construction of quiet and vibration-free constructions such as vessels, machines, and processes as well as be capable to determining and minimizing the sound and vibration fields that arise in various environments.

Course Contents

Introduction, fields of application, effect of sound and vibration on man and equipment, Fundamental Concepts, Signal Analysis and Measurement Techniques, Vibrations of Multi-Degrees of Freedom mechanical systems, Continuous systems in 1D, and mode shapes, Introduction to 2-dimensional systems, Fluid Structure Interaction, Building Acoustics and sound propagation outdoors, Sound in Ducts and Flow induced vibrations, Principles of noise and vibration control, Study of the sound and vibration of selected machines, Standards and Regulations.

Laboratory work

  • Matlab Computer Lab: Introduction to Matlab. Solution of a mass-spring-damper system subjected to a harmonic excitation.
  • Vibration Measurement Lab: Basics of Measurements and Signal Analysis. Measurement & identification of simple mechanical systems.
  • Acoustic Measurement Lab: Measurement of the sound power of a sound source.


  • Sheet 1: Introduction and Fundamental Concepts
  • Sheet 2: Vibration of MDOF Mechanical Systems.
  • Sheet 3: Building Acoustics and Sound in Ducts.

Related Courses

  • Preparatory Year: Physics - Mechanics
  • 1st Year Mech: Physics
  • 2nd Year Mech: Design (Machine Construction) - Mathematics
  • 3rd Year Production: Mechanical Vibrations (Theory of Machines 2)


  • Final Exam 70%
  • Mid-term Exam 10%
  • Quizzes, sheets, and lab reports 15%
  • Attendance 5%

Required Reading

  • Lecture Notes: PowerPoint handouts of the slides used during lectures. Available on the course website
  • Course Book: Sound and Vibration. Edited by: T. Elnady & H. Bodén - Available at the ASU Sound and Vibration Lab. (30 EGP)

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