You are here: Home » Study Plan » Subject

## Subject: MECHANICAL VIBRATIONS (A.A. 2023/2024)

### master degree course in ADVANCED AUTOMOTIVE ENGINEERING

Course year CFU 1 6 Unit Mechanical Vibrations Mechanical Engineering (lesson) TAF: Compulsory subjects, characteristic of the class SSD: ING-IND/13 CFU: 6 Teachers: Antonio ZIPPO, Francesco PELLICANO Moodle portal Aula virtuale su Microsoft Teams written final vote inglese

### Overview

The goal is that students have the ability and experience to model and analyze mechanical vibration problems in the field of automotive engineering.

Calculus, Algebra, Classical Mechanics, Statics, Continuum Mechanics

### Course contents

Harmonic oscillator 2CFU
Fourier Transform 1CFU
N degrees of freedom systems 2CFU
Digital signal processing, basic principles 1CFU

### Teaching methods

Lessons and lab activities

### Assessment methods

Projects development during the teaching period. Groups of students will develop some projects. Each group will receive a problem to investigate. The problem is not a simple exercise. It is a way to learn the topic deeply and to prove that is has been well understood. The group will produce a Report and will present the work to the class (Powerpoint), 15minutes Rubrics. Clarity: Grammar correctness Sentences are clear, ideas are well explained Objectives are clearly identified Initial dataset is complete Conclusions are supported by data Theory: The explanation is correct No plagiarism (cut and paste) The theoretical part is strictly related to the problem Implementation: Is the code well structured and commented? Is the model validated? Is the numerical implementation described in the report? Graphical quality: Clarity and quality of drawings Quality of figures, e.g. 2D and 3D plots (captions, labels, legend) Speaker: Is the speaker able to create interest? Is the speaker able to answer questions (with the help of the group)? Beyond: Deepening of one or more aspects of the project E.g.: discover something new; enlighten limitations of the theory or the solution We appreciate imagination and creativity • Evaluation of the projects. Weight 50%. Marks will be published before the first exam after the teaching period. • Theoretical part (15-60 min). Weight 50%. Open-ended questions. 3. In the case of need, further oral question is possible

### Learning outcomes

Understand the engineering principles in mechanical system to identify, formulate and solve problems of mechanical vibrations.
To be able to find the source of vibration problems in mechanical system through research that includes identification, formulation, analysis, data interpretation based on engineering principles.

Gilbert Strang Linear Algebra and Learning by Data 2019 ISBN: 978-06921963-8-0
Bendat J. S. and Piersol A. G. Random Data Analysis and Mesaurement Procedures third edition, John Wiley
and Sons New York, 2000.
Brigham, E.O. (1974) The Fast Fourier Transform. Prentice-Hall. Englewood Clifs, N.J.
Clough Ray W. and Penzien Joseph, DYNAMICS OF STRUCTURES, Computers & Structures, Inc., 1995
de Silva C. W., VIBRATION: Fundamentals and Practice, CRC Press, Boca Raton, London, New York,
Washington, D.C., 2000.
Kelly S. G., Theory and Problems of Mechanical Vibrations, Schaum’s Outline series McGraw-Hill, New York,
1996.
Krasnopol’skaya, T. S., 1976. Self-excitations by an electrodynamic vibrator. Kiev State University,
translated from Prikladnaya Mekhanika, 13(2), 108-113.
Lynn P., An Introduction to the Analysis and Processing of Signals, The MacMillan Press, 1973.
Rao S. S., Mechanical Vibrations, Pearson Prentice Hall New Jersey, 2004.
Strutt J. W. (Baron Reyleigh) The Theory of Sound, Vol. I and II, 1894, Reprinted by Dover Publications, New
York, 1945.