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Statements

Subject Item
n2:RIV%2F61989100%3A27240%2F07%3A00015142%21RIV11-MSM-27240___
rdf:type
skos:Concept n8:Vysledek
dcterms:description
Being concerned with a semicoercive 2D contact model problem, we firstly decompose the domain into disjunct subdomains and then we use the symmetric representation of the local Steklov - Poincaré operator to get the weak formulation of our problem in the form of variational inequality. After a suitable approximation of the Steklov - Poincaré operator, we use the Ritz method to obtain the quadratic programming problem with both equality and inequality constraints. We further switch to the dual problem and in order to improve the conditioning, we apply the so-called natural coarse grid. The resulting quadratic programming problem with bound and equality constraints is numerically solved by an algorithm based on semimonotonic augmented Lagrangians. Finally, we present experiments indicating the numerical scalability of the algorithm. Being concerned with a semicoercive 2D contact model problem, we firstly decompose the domain into disjunct subdomains and then we use the symmetric representation of the local Steklov - Poincaré operator to get the weak formulation of our problem in the form of variational inequality. After a suitable approximation of the Steklov - Poincaré operator, we use the Ritz method to obtain the quadratic programming problem with both equality and inequality constraints. We further switch to the dual problem and in order to improve the conditioning, we apply the so-called natural coarse grid. The resulting quadratic programming problem with bound and equality constraints is numerically solved by an algorithm based on semimonotonic augmented Lagrangians. Finally, we present experiments indicating the numerical scalability of the algorithm.
dcterms:title
Solving 2D Contact Problem by Boundary Element Tearing and Interconnecting Method Solving 2D Contact Problem by Boundary Element Tearing and Interconnecting Method
skos:prefLabel
Solving 2D Contact Problem by Boundary Element Tearing and Interconnecting Method Solving 2D Contact Problem by Boundary Element Tearing and Interconnecting Method
skos:notation
RIV/61989100:27240/07:00015142!RIV11-MSM-27240___
n4:aktivita
n10:Z
n4:aktivity
Z(MSM6198910027)
n4:dodaniDat
n17:2011
n4:domaciTvurceVysledku
n6:2918315 n6:3314685 n6:5021391
n4:druhVysledku
n21:D
n4:duvernostUdaju
n13:S
n4:entitaPredkladatele
n14:predkladatel
n4:idSjednocenehoVysledku
450988
n4:idVysledku
RIV/61989100:27240/07:00015142
n4:jazykVysledku
n20:eng
n4:klicovaSlova
domain decomposition, boundary elements, variational inequality, scalability, BETI
n4:klicoveSlovo
n12:variational%20inequality n12:domain%20decomposition n12:boundary%20elements n12:BETI n12:scalability
n4:kontrolniKodProRIV
[11F6AB4CDCC3]
n4:mistoKonaniAkce
Durham
n4:mistoVydani
Durham
n4:nazevZdroje
Proceedings of the 6th UK Conference on Boundary Integral Method
n4:obor
n7:BA
n4:pocetDomacichTvurcuVysledku
3
n4:pocetTvurcuVysledku
3
n4:rokUplatneniVysledku
n17:2007
n4:tvurceVysledku
Sadowská, Marie Bouchala, Jiří Dostál, Zdeněk
n4:typAkce
n15:WRD
n4:zahajeniAkce
2007-08-17+02:00
n4:zamer
n18:MSM6198910027
s:numberOfPages
8
n5:hasPublisher
Durham University
n16:isbn
978-0-9535558-3-3
n9:organizacniJednotka
27240