dc.contributor.author | Čiegis, Raimondas | |
dc.contributor.author | Gaspar, Francisko | |
dc.contributor.author | Rodrigo, Carmen | |
dc.date.accessioned | 2023-09-18T17:14:38Z | |
dc.date.available | 2023-09-18T17:14:38Z | |
dc.date.issued | 2008 | |
dc.identifier.issn | 1609-4840 | |
dc.identifier.other | (BIS)VGT02-000017462 | |
dc.identifier.uri | https://etalpykla.vilniustech.lt/handle/123456789/121132 | |
dc.description.abstract | The application of a parallel multiblock geometric multigrid is considered. It is applied to solve a two-dimensional po-ro-elas-tic model. This system of PDEs is approximated by a special stabilized monotone finite-difference scheme. The obtained system of linear algebraic equations is solved by a multigrid method, when a domain is partitioned into structured blocks. A new strategy for the solution of the discrete problem on the coarsest grid is proposed and the efficiency of the obtained algorithm is investigated. The geometrical structure of the sequential multigrid method is used to develop a parallel version of the multigrid algorithm. The convergence properties of several smoothers are investigated and some computational results are presented. | eng |
dc.format.extent | p. 223-236 | |
dc.format.medium | tekstas / txt | |
dc.language.iso | eng | |
dc.relation.isreferencedby | TOC Premier | |
dc.relation.isreferencedby | Current Abstracts | |
dc.relation.isreferencedby | INSPEC | |
dc.title | On the parallel multiblock geometric multigrid algorithm | |
dc.type | Straipsnis kitoje DB / Article in other DB | |
dcterms.references | 27 | |
dc.type.pubtype | S3 - Straipsnis kitoje DB / Article in other DB | |
dc.contributor.institution | Vilniaus Gedimino technikos universitetas | |
dc.contributor.institution | Departamento de Matematica Aplicada, Universidad de Zaragoza (Spain) | |
dc.contributor.faculty | Fundamentinių mokslų fakultetas / Faculty of Fundamental Sciences | |
dc.subject.researchfield | N 001 - Matematika / Mathematics | |
dc.subject.en | Parallel algorithms | |
dc.subject.en | Geometric multigrid | |
dc.subject.en | Finite-difference method | |
dc.subject.en | Local Fourier Analysis | |
dcterms.sourcetitle | Computational methods in applied mathematics | |
dc.description.issue | no 3 | |
dc.description.volume | Vol. 8 | |
dc.identifier.elaba | 3837442 | |