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Statements

Subject Item
n2:RIV%2F49777513%3A23520%2F11%3A43898378%21RIV12-GA0-23520___
rdf:type
n15:Vysledek skos:Concept
dcterms:description
We consider an elastic plate governed by the Reissner-Mindlin's model, i.e., whose equilibrium equations introduce a coupling between the vertical displacement and the rotation of the normal. This structure is made of a composite with a periodic arrangement of strongly heterogeneous materials and some characteristics of the heterogeneities are comparable to the size of the microstructures. We show that, when the size of the microstructures tends to zero, the limit homogeneous structure presents, for some wavelengths, a negative %22mass density%22 tensor. This means that there exists intervals of frequencies - the band gaps - for which wave propagation is suppressed, or restricted to certain polarizations. We consider an elastic plate governed by the Reissner-Mindlin's model, i.e., whose equilibrium equations introduce a coupling between the vertical displacement and the rotation of the normal. This structure is made of a composite with a periodic arrangement of strongly heterogeneous materials and some characteristics of the heterogeneities are comparable to the size of the microstructures. We show that, when the size of the microstructures tends to zero, the limit homogeneous structure presents, for some wavelengths, a negative %22mass density%22 tensor. This means that there exists intervals of frequencies - the band gaps - for which wave propagation is suppressed, or restricted to certain polarizations.
dcterms:title
Band gaps and vibration of strongly heterogeneous Reissner-Mindlin elastic plates Band gaps and vibration of strongly heterogeneous Reissner-Mindlin elastic plates
skos:prefLabel
Band gaps and vibration of strongly heterogeneous Reissner-Mindlin elastic plates Band gaps and vibration of strongly heterogeneous Reissner-Mindlin elastic plates
skos:notation
RIV/49777513:23520/11:43898378!RIV12-GA0-23520___
n15:predkladatel
n21:orjk%3A23520
n4:aktivita
n13:P n13:Z
n4:aktivity
P(GA101/07/1471), Z(MSM4977751303)
n4:cisloPeriodika
13-14
n4:dodaniDat
n7:2012
n4:domaciTvurceVysledku
n10:1351958
n4:druhVysledku
n8:J
n4:duvernostUdaju
n18:S
n4:entitaPredkladatele
n19:predkladatel
n4:idSjednocenehoVysledku
187797
n4:idVysledku
RIV/49777513:23520/11:43898378
n4:jazykVysledku
n5:eng
n4:klicovaSlova
homogenization, phononic materials, Reissner-Mindlin plates
n4:klicoveSlovo
n17:Reissner-Mindlin%20plates n17:homogenization n17:phononic%20materials
n4:kodStatuVydavatele
FR - Francouzská republika
n4:kontrolniKodProRIV
[B593F9DE69D3]
n4:nazevZdroje
Comptes Rendus Mathematique
n4:obor
n16:JI
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
2
n4:projekt
n12:GA101%2F07%2F1471
n4:rokUplatneniVysledku
n7:2011
n4:svazekPeriodika
349
n4:tvurceVysledku
Miara, Bernadette Rohan, Eduard
n4:zamer
n11:MSM4977751303
s:issn
1631-073X
s:numberOfPages
5
n14:doi
10.1016/j.crma.2011.05.013
n20:organizacniJednotka
23520