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Statements

Subject Item
n2:RIV%2F49777513%3A23520%2F14%3A43921419%21RIV15-GA0-23520___
rdf:type
skos:Concept n19:Vysledek
dcterms:description
Models of homogenized fluid-saturated dual-porous media with weak, or strong discontinuity interfaces (resembling fissures) are derived using the periodic unfolding method. Stress discontinuities at the interfaces are admitted, requesting further restrictions on the applied external forces. The limit models, obtained by a rigorous asymptotic analysis, reflect some non-local effects inherited from the microstructural interactions. In view of obtaining the a priori estimates, standard approaches based on smooth extensions, well fitted for perforated or high-contrast media, cannot be adopted for fissured domains. Therefore, a new approach is developed which enables to control the norm of some ``off-diagonal'' terms which in the model equations are generated by the interfaces and are not involved in the energy-related expressions. Models of homogenized fluid-saturated dual-porous media with weak, or strong discontinuity interfaces (resembling fissures) are derived using the periodic unfolding method. Stress discontinuities at the interfaces are admitted, requesting further restrictions on the applied external forces. The limit models, obtained by a rigorous asymptotic analysis, reflect some non-local effects inherited from the microstructural interactions. In view of obtaining the a priori estimates, standard approaches based on smooth extensions, well fitted for perforated or high-contrast media, cannot be adopted for fissured domains. Therefore, a new approach is developed which enables to control the norm of some ``off-diagonal'' terms which in the model equations are generated by the interfaces and are not involved in the energy-related expressions.
dcterms:title
Homogenization of diffusion-deformation in dual-porous medium with discontinuity interfaces Homogenization of diffusion-deformation in dual-porous medium with discontinuity interfaces
skos:prefLabel
Homogenization of diffusion-deformation in dual-porous medium with discontinuity interfaces Homogenization of diffusion-deformation in dual-porous medium with discontinuity interfaces
skos:notation
RIV/49777513:23520/14:43921419!RIV15-GA0-23520___
n3:aktivita
n12:P
n3:aktivity
P(GA13-00863S), P(GAP101/12/2315)
n3:cisloPeriodika
2/2014
n3:dodaniDat
n7:2015
n3:domaciTvurceVysledku
n18:1351958
n3:druhVysledku
n8:J
n3:duvernostUdaju
n6:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
19657
n3:idVysledku
RIV/49777513:23520/14:43921419
n3:jazykVysledku
n16:eng
n3:klicovaSlova
porous media, dual porosity, periodic homogenization, high contrast media, discontinuity interfaces, diffusion-deformation
n3:klicoveSlovo
n4:diffusion-deformation n4:periodic%20homogenization n4:discontinuity%20interfaces n4:porous%20media n4:dual%20porosity n4:high%20contrast%20media
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[842FF417CA0D]
n3:nazevZdroje
Asymptotic Analysis
n3:obor
n11:JI
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
2
n3:projekt
n10:GA13-00863S n10:GAP101%2F12%2F2315
n3:rokUplatneniVysledku
n7:2014
n3:svazekPeriodika
86
n3:tvurceVysledku
Griso, Georges Rohan, Eduard
s:issn
0921-7134
s:numberOfPages
40
n14:doi
10.3233/ASY-131189
n9:organizacniJednotka
23520