Mechanical Engineering
- Admission : /en/education/bachelor/mechanical-engineering/admission/
- Structure of studies : /en/education/bachelor/mechanical-engineering/structure-of-studies/
- Study program : /en/education/bachelor/mechanical-engineering/study-program/
- Career perspectives : /en/education/bachelor/mechanical-engineering/career-perspectives/
- Exchange programs : /en/education/bachelor/mechanical-engineering/exchange-programs/
- People : /en/education/bachelor/mechanical-engineering/people/
- Admission : /en/education/bachelor/mechanical-engineering/admission/
- Structure of studies : /en/education/bachelor/mechanical-engineering/structure-of-studies/
- Study program : /en/education/bachelor/mechanical-engineering/study-program/
- Career perspectives : /en/education/bachelor/mechanical-engineering/career-perspectives/
- Exchange programs : /en/education/bachelor/mechanical-engineering/exchange-programs/
- People : /en/education/bachelor/mechanical-engineering/people/
Study program
Department:
Mechanical Engineering
Specialization:
Plastics and lightweight structures
Module: Dimensioning and optimization
Course description
Back-
Objectives
- Formuler l'équation différentielle représentant un système dynamique oscillant.
- Calculer les fréquences propres et les modes propres d'un système discret à plusieurs degrés de liberté et d'une structure continue simple.
- Déterminer et analyser la réponse dynamique d'un système discret à plusieurs degrés de liberté.
- Effectuer l'analyse modale expérimentale de systèmes mécaniques simples.
- Critiquer une modélisation théorique sur la base de résultats expérimentaux.
-
Content
- Systèmes à un degré de liberté: rappel régime libre et permanent harmonique, analyse modale.
- Système à plusieurs degrés de liberté: analyse modale, régime libre dissipatif, fonction de réponse en fréquence, réponse harmonique, anti-résonances.
- Systèmes continus: analyse modale d'un arbre en torsion, régime libre dissipatif, régime permanent harmonique.
- Analyse modale expérimentale de structures simples.
Type of teaching and workload
Lecture course (including exercises)
24 periods
Practical exercises / lab work
8 periods
Course specification
Year of validity
2025-2026
Weight
3rd year
Semester
Spring
Program
French,Bilingual
Department
Mechanical Engineering
Language of instruction
French
ID
B3C-VIB2-M
Level
Advanced
Course type
Core
Study program
Bachelor
Evaluation methods
- Continuous assessment Written work, Practical exercises / Evaluated reports,
Course grade calculation method
The continuous assessment mark is the weighted average of the courses evaluations. If the course includes practical labs (TP), the course mark is the weighted average of the TP mark and the mark of the other evaluations. If one of these two marks (TP or other evaluations) is less than 3.0, the course counts as failed and no mark is given.
Reference work
- Technische Mechanik 3 : Dynamik, R.C. Hibbeler, 10. Auflage, Pearson Studium, chapitre 12
- Vibrations mécaniques, J. P. Bersier, HEIA-FR (mis à disposition sur le site internet du cours)
- Mécanique vibratoire, M. Del Pedro et P. Pahud, Presses Polytechniques Romandes
- Modal Analysis, J. He et Z.-F. Fu, Butterworth-Heinemann
Intructor(s) and/or coordinator(s)
Louise Leduc, Sebastian Leopold