Musical acoustics as learning support for engineers: examples of student achievements at mechanical engineering department - INSA Lyon
Résumé
Since 2016 and the merger of two old departments, a new project is proposed to INSA Lyon students in first year of
the mechanical engineering program (L3 in LMD system or Bachelor degree). It consists on a scientific and technical
project of around 40 hours on classroom plus an equivalent time duration of personal work at home; it is supervised
by a pair of teachers. The idea is to insist on the abilities of thinking, analysing, well-defining, and resolving
a given scientific problem. To this end, we propose each year to six pairs of students to work on musical acoustics
projects. The principle is that the subject must be theorised and defined by the students without the help of the
teacher, related to any field of musical acoustics, on experimental, theoretical or numerical skills. A long duration of
the beginning of the project is dedicated to the definition of the scientific problem and objective, and to the clear exposure
of a scenario to answer to them. One constraintconcerns the budget of eventual experimental campaigns:
we privilege the use of a simple smartphone (and the sensors existing in it) to do the measurements. Some examples
of recent results on studied projects will be given and discussed. Examples of some of them would be: design and
conception of metallic xylophone bars for given harmonic series helmholtz resonance of a classical guitar, modeling
and measuring a Cajon, experimental and analytical study of the wolf note of a cello...
--> Video of the presentation here : https://youtu.be/jf1-US1YWts
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