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Statements

Subject Item
n2:RIV%2F68407700%3A21110%2F07%3A01131696%21RIV08-GA0-21110___
rdf:type
skos:Concept n18:Vysledek
dcterms:description
V tomto příspěvku je diskutováno modelování skalních masivů rozrušených řadou diskrétních trhlin. Porovnány jsou jak přístupy založené na jednoduchých homogenizačních přístupech, tak i metody modelování využívající konečných prvků. Rock masses with relatively high concentration of discontinuities or joints are considered. Being aware of limitations of various averaging techniques such as the self consistent or Mori-Tanaka methods in providing reliable estimates of generally nonlinear macroscopic response of jointed rock masses, the paper introduces a notion of statistically equivalent periodic unit cell (SEPUC). Such a unit cell contains, in order to reduce the problem complexity, of the orders of magnitude less number of joints in comparison with the actual material system. In analogy with two-phase composites, the SEPUC is expected to be found in a statistical sense by matching suitable microstructure descriptors of both the actual microstructure and periodic one. Rock masses with relatively high concentration of discontinuities or joints are considered. Being aware of limitations of various averaging techniques such as the self consistent or Mori-Tanaka methods in providing reliable estimates of generally nonlinear macroscopic response of jointed rock masses, the paper introduces a notion of statistically equivalent periodic unit cell (SEPUC). Such a unit cell contains, in order to reduce the problem complexity, of the orders of magnitude less number of joints in comparison with the actual material system. In analogy with two-phase composites, the SEPUC is expected to be found in a statistical sense by matching suitable microstructure descriptors of both the actual microstructure and periodic one.
dcterms:title
Homogenized Response of Jointed Rock Masses with Periodic Fields Homogenizace odezvy porušených skalních masivů pomocí periodických polí Homogenized Response of Jointed Rock Masses with Periodic Fields
skos:prefLabel
Homogenized Response of Jointed Rock Masses with Periodic Fields Homogenized Response of Jointed Rock Masses with Periodic Fields Homogenizace odezvy porušených skalních masivů pomocí periodických polí
skos:notation
RIV/68407700:21110/07:01131696!RIV08-GA0-21110___
n3:strany
129;136
n3:aktivita
n7:Z n7:P
n3:aktivity
P(GD106/03/H150), Z(MSM6840770003)
n3:cisloPeriodika
2
n3:dodaniDat
n9:2008
n3:domaciTvurceVysledku
n13:4695046 n13:3638464 n13:2894726
n3:druhVysledku
n14:J
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n4:predkladatel
n3:idSjednocenehoVysledku
424722
n3:idVysledku
RIV/68407700:21110/07:01131696
n3:jazykVysledku
n12:eng
n3:klicovaSlova
Effective media theories; Finite element approaches; Jointed rock masses; Statistically optimized periodic unit cells
n3:klicoveSlovo
n5:Jointed%20rock%20masses n5:Effective%20media%20theories n5:Statistically%20optimized%20periodic%20unit%20cells n5:Finite%20element%20approaches
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[DD36353E2ABB]
n3:nazevZdroje
International Conference on Computational & Experimental Engineering and Sciences
n3:obor
n10:JN
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n19:GD106%2F03%2FH150
n3:rokUplatneniVysledku
n9:2007
n3:svazekPeriodika
4
n3:tvurceVysledku
Šejnoha, Michal Gajdošík, Jan Zeman, Jan
n3:zamer
n11:MSM6840770003
s:issn
1933-2815
s:numberOfPages
8
n15:organizacniJednotka
21110