Using heat maps in teaching acoustics: Interaction of incident plane wave or incident beam with a solid plane structure

Author:

Potel Catherine1ORCID,Gatignol Philippe2,Bruneau Michel1

Affiliation:

1. Laboratoire d'Acoustique de l'Université du Mans (LAUM), UMR 6613, Institut d'Acoustique—Graduate School (IA-GS), CNRS, Le Mans Université, Le Mans, 72085 Cedex 9, France

2. Laboratoire Roberval, Université de Technologie de Compiègne, Alliance Sorbonne Université, FRE UTC/CNRS 2012, CS 60319, 60203 Compiègne Cedex, France

Abstract

Using heat maps provides frame and relevance to topics covered in physical acoustics courses as students can more easily visualize complex ideas and situations. Students can also form a much better understanding of the physical phenomena involved and build more advanced critical thinking when heat maps are used. It is the aim of the paper to provide ways for students to interact with heat maps by using two examples: first, the interaction of a plane wave (not only monochromatic) with an interface separating a fluid and a solid medium and, second, the interaction of an acoustic beam with such an interface (including a solid layer). These heat maps permit both to describe non-specular effects for the reflected acoustic beam due to the generation of a modal wave and, in the case of anisotropic media, highlight the difference between the direction predicted by Snell-Descartes law and that predicted by energy flux.

Publisher

Acoustical Society of America (ASA)

Subject

Acoustics and Ultrasonics,Arts and Humanities (miscellaneous)

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Introduction to the special issue on education in acoustics;The Journal of the Acoustical Society of America;2022-11

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