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How reproducible are methods to measure the dynamic viscoelastic properties of poroelastic media?

Type
Articles dans des revues avec comité de lecture
Author
VERDIERE, K.
BERTOLINI, C
BÄR, R.
GROBY, J.-P.
961 Laboratoire d'Acoustique de l'Université du Mans [LAUM]
BÄR, R.
GESLAIN, A.
POULAIN, N
GUINAULT, A.
86289 Procédés et Ingénierie en Mécanique et Matériaux [Paris] [PIMM]
ROULEAU, M.
AHMADI, H.
FORGE, C.
BONFIGLIO, P.
54905 University of Ferrara [Ferrara]
POMPOLI, F.B
54905 University of Ferrara [Ferrara]
HOROSHENKOV, Kv
153591 University of Sheffield [Sheffield]
RAHIM, M.I.B.S.A.
153591 University of Sheffield [Sheffield]
JAOUEN, L.c
RODENAS, J.c
BÉCOT, F.-X
GOURDON, E.
79190 École Nationale des Travaux Publics de l'État [ENTPE]
JAEGER, D.
KURSCH, V
TARELLO, M.
ROOZEN, N.B
302497 Katholieke Universiteit Leuven [KU Leuven]
533396 Laboratory for Soft Matter and Biophysics [Leuven]
GLORIEUX, C.
302497 Katholieke Universiteit Leuven [KU Leuven]
1185 Génétique et évolution des populations végétales [GEPV]
FERRIAN, F
LEROY, P.
VANGOSA, F.B.
DAUCHEZ, N.
2175 Roberval
FOUCART, F.
LEI, L.
CARILLO, K.
DOUTRES, O.
SGARD, F.
33169 LAboratoire des Sciences de l'Habitat [DGCB-LASH]
PANNETON, R.
26864 Département de génie mécanique [Sherbrooke]

URI
http://hdl.handle.net/10985/13819
DOI
10.1016/j.jsv.2018.05.006
Date
2018
Journal
Journal of Sound and Vibration

Abstract

There is a considerable number of research publications on the acoustical properties of porous media with an elastic frame. A simple search through the Web of Science™ (last accessed 21 March 2018) suggests that there are at least 819 publications which deal with the acoustics of poroelastic media. A majority of these researches require accurate knowledge of the elastic properties over a broad frequency range. However, the accuracy of the measurement of the dynamic elastic properties of poroelastic media has been a contentious issue. The novelty of this paper is that it studies the reproducibility of some popular experimental methods which are used routinely to measure the key elastic properties such as the dynamic Young's modulus, loss factor and Poisson ratio of poroelastic media. In this paper, fourteen independent sets of laboratory measurements were performed on specimens of the same porous materials. The results from these measurements suggest that the reproducibility of this type of experimental method is poor. This work can be helpful to suggest improvements which can be developed to harmonize the way the elastic properties of poroelastic media are measured worldwide.

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