Article | REF: E1042 V1

Acoustic, electromagnetic and seismic metamaterials - For nano- to metric-scale waves

Authors: Stéphane BRÛLÉ, Stefan ENOCH, Sébastien GUENNEAU

Publication date: May 10, 2022

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1. Principles and fundamentals

1.1 Definition

In Greek, the prefix "meta" means "beyond". Metamaterials therefore refer to a class of materials whose properties go beyond those of common materials. More precisely, they are composite media whose internal structure, designed and realized by human beings, interacts with an incident wave (electromagnetic, acoustic, seismic) in such a way as to create macroscopic properties known as "effective" that are unusual, or even unobserved, in natural materials. First of all, we need to go back to phononic crystals, artificial structures formed by a periodic distribution of at least two materials. These structures can exhibit frequency bands in which the propagation of acoustic or elastic waves is evanescent.

An evanescent...

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Principles and fundamentals

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Metamaterials and applications

Bibliography

(1) - GUIDA (G.), DE LUSTRAC (A.), PRIOU (A.) - An introduction to Photonic Band Gap (PBG) materials. - Progress In Electromagnetics Research, PIER, 41, p. 1-20 (2003).
(2) - BRÛLÉ (S.) - Propagation d'ondes sismiques dans les sols superficiels...

Standards and norms

Calcul des structures pour leur résistance aux séismes. Partie 1 : Règles générales, actions sismiques et règles pour les bâtiments - Eurocode 8-4 NF EN 1998-1 - 2005
Calcul des structures pour leur résistance aux séismes. Partie 5 : Fondations, ouvrages de soutènement et aspects géotechniques - NF EN 1998-5 - 2005

Regulations

Circular of July 23, 1986 on mechanical vibrations emitted into the environment by installations classified for environmental protection. OJ of October 22, 1986.