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Statements

Subject Item
n2:RIV%2F61989100%3A27240%2F01%3A00000917%21RIV%2F2002%2FMSM%2F272402%2FN
rdf:type
skos:Concept n8:Vysledek
dcterms:description
The contribution deals with a solution of the direct geophysical problem for the stationary electrical field in the non-homogeneous environment. The environment is represented by a planar domain composed from the several subdomains,i.e. homogeneous environments with different resistivity. The solution is based on a wavelet-Galerkin diskretization of the problem via a fictious domain formulation. Therefore two kinds of the Lagrange multipliers are considered: the first one enforces the boundary conditionon the real domain while the second one is located on interfaces of the homogeneous enviroments and ensures the continuity of the potential of the electrical field. Multilevel structure of the wavelet spaces enables to solve efficiently the linear syste ms arising from the discretization. The presented solver uses the wavelet-based multigrid technique. The numerical experiments described in the paper confirm the efficiency of the method as well as the agreement with the phyzical reality. The contribution deals with a solution of the direct geophysical problem for the stationary electrical field in the non-homogeneous environment. The environment is represented by a planar domain composed from the several subdomains,i.e. homogeneous environments with different resistivity. The solution is based on a wavelet-Galerkin diskretization of the problem via a fictious domain formulation. Therefore two kinds of the Lagrange multipliers are considered: the first one enforces the boundary conditionon the real domain while the second one is located on interfaces of the homogeneous enviroments and ensures the continuity of the potential of the electrical field. Multilevel structure of the wavelet spaces enables to solve efficiently the linear syste ms arising from the discretization. The presented solver uses the wavelet-based multigrid technique. The numerical experiments described in the paper confirm the efficiency of the method as well as the agreement with the phyzical reality.
dcterms:title
A wavelet multilevel solution of the stationary geoelectrical field in the non-homogeneous environment A wavelet multilevel solution of the stationary geoelectrical field in the non-homogeneous environment
skos:prefLabel
A wavelet multilevel solution of the stationary geoelectrical field in the non-homogeneous environment A wavelet multilevel solution of the stationary geoelectrical field in the non-homogeneous environment
skos:notation
RIV/61989100:27240/01:00000917!RIV/2002/MSM/272402/N
n4:strany
116-117
n4:aktivita
n12:Z
n4:aktivity
Z(MSM 272400019)
n4:dodaniDat
n9:2002
n4:domaciTvurceVysledku
n21:7472447 n21:8314748
n4:druhVysledku
n19:D
n4:duvernostUdaju
n11:S
n4:entitaPredkladatele
n18:predkladatel
n4:idSjednocenehoVysledku
672382
n4:idVysledku
RIV/61989100:27240/01:00000917
n4:jazykVysledku
n17:eng
n4:klicovaSlova
wavelet, geoelectrical field
n4:klicoveSlovo
n15:wavelet n15:geoelectrical%20field
n4:kontrolniKodProRIV
[C1CB6AB055E1]
n4:mistoKonaniAkce
St. Petersburg
n4:mistoVydani
St. Petersburg
n4:nazevZdroje
Optimization of Finite Element Approximations, Splines and Wavelets
n4:obor
n6:BA
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
3
n4:pocetUcastnikuAkce
0
n4:pocetZahranicnichUcastnikuAkce
0
n4:rokUplatneniVysledku
n9:2001
n4:tvurceVysledku
Dršťáková, Eva Častová, Nina Kučera, Radek
n4:typAkce
n13:EUR
n4:zahajeniAkce
2001-06-25+02:00
n4:zamer
n10:MSM%20272400019
s:numberOfPages
2
n14:hasPublisher
State University
n20:isbn
5-7997-0306-5
n5:organizacniJednotka
27240