FR3028906B1 - Procede et dispositif d’amortissement vibratoire d’un panneau - Google Patents

Procede et dispositif d’amortissement vibratoire d’un panneau Download PDF

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Publication number
FR3028906B1
FR3028906B1 FR1461394A FR1461394A FR3028906B1 FR 3028906 B1 FR3028906 B1 FR 3028906B1 FR 1461394 A FR1461394 A FR 1461394A FR 1461394 A FR1461394 A FR 1461394A FR 3028906 B1 FR3028906 B1 FR 3028906B1
Authority
FR
France
Prior art keywords
panel
dimensional acoustic
black holes
acoustic black
front face
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR1461394A
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English (en)
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FR3028906A1 (fr
Inventor
Francois Gautier
Sylvain Maugeais
Adrien Pelet
Omar Aklouche
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institut de Recherche Technologique Jules Verne
Le Mans Universite
Original Assignee
Institut de Recherche Technologique Jules Verne
Le Mans Universite
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Application filed by Institut de Recherche Technologique Jules Verne, Le Mans Universite filed Critical Institut de Recherche Technologique Jules Verne
Priority to FR1461394A priority Critical patent/FR3028906B1/fr
Publication of FR3028906A1 publication Critical patent/FR3028906A1/fr
Application granted granted Critical
Publication of FR3028906B1 publication Critical patent/FR3028906B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems

Abstract

L'invention concerne un panneau structural (200) comprenant une face avant et une face arrière caractérisé en ce qu'il comporte : a. sur sa face avant une pluralité de trous noirs acoustiques bidimensionnels (210, 610) distribués à la surface du panneau selon un réseau apte à créer une bande d'arrêt pour une plage de fréquences inférieures à la plus basse fréquence dissipée par l'un quelconque des trous noirs acoustique bidimensionnel présent sur ledit panneau ; b. des moyens viscoélastiques (230, 630) liés au panneau et recouvrant les bords des trous noirs acoustiques bidimensionnels dudit panneau.
FR1461394A 2014-11-25 2014-11-25 Procede et dispositif d’amortissement vibratoire d’un panneau Active FR3028906B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1461394A FR3028906B1 (fr) 2014-11-25 2014-11-25 Procede et dispositif d’amortissement vibratoire d’un panneau

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1461394A FR3028906B1 (fr) 2014-11-25 2014-11-25 Procede et dispositif d’amortissement vibratoire d’un panneau
FR1461394 2014-11-25

Publications (2)

Publication Number Publication Date
FR3028906A1 FR3028906A1 (fr) 2016-05-27
FR3028906B1 true FR3028906B1 (fr) 2020-02-07

Family

ID=53039496

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1461394A Active FR3028906B1 (fr) 2014-11-25 2014-11-25 Procede et dispositif d’amortissement vibratoire d’un panneau

Country Status (1)

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FR (1) FR3028906B1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108122551B (zh) * 2017-12-20 2021-05-11 南京航空航天大学 一种声学黑洞振动吸收器
CN108133700B (zh) * 2017-12-20 2020-09-25 南京航空航天大学 一种声学黑洞减振降噪装置
CN110094452B (zh) * 2018-01-30 2021-05-07 香港理工大学 利用声学黑洞特征的宽频带振动抑制装置
US11554728B2 (en) * 2020-01-16 2023-01-17 GM Global Technology Operations LLC Acoustic energy damper member for a panel
CN112497863A (zh) * 2021-01-29 2021-03-16 北京市劳动保护科学研究所 一种隔声砖及隔声装置
CN113793586A (zh) * 2021-08-24 2021-12-14 武汉理工大学 低频超宽带声学黑洞声学材料结构
CN114623181A (zh) * 2022-03-03 2022-06-14 中国铁路南宁局集团有限公司 一种用于尖轨振动控制的吸附式周期性声学黑洞减振器
EP4303866A1 (fr) * 2022-07-04 2024-01-10 BAE SYSTEMS plc Dispositif d'amortisseur, structure structurellement amortie et procédé

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3997020A (en) * 1974-10-29 1976-12-14 Busnel Rene Guy Sound absorber
EP1020846B1 (fr) * 1999-01-14 2018-09-19 Nichias Corporation Structure d'absorption du son
CN101727894B (zh) * 2010-01-08 2012-05-23 中国科学院声学研究所 一种内置共振腔体的复合吸声装置
EP2578802A4 (fr) * 2010-05-24 2016-05-18 Ihi Corp Lame amortisseuse de vibrations pour fluides
US9163398B2 (en) * 2013-05-17 2015-10-20 Purdue Research Foundation Sound barrier systems

Also Published As

Publication number Publication date
FR3028906A1 (fr) 2016-05-27

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