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Numerical performance of incomplete factorizations for 3D transient convection-diffusion problems
dc.contributor.author | Rodríguez Ferran, Antonio |
dc.contributor.author | Sandoval Solis, M. Luisa |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada III |
dc.date.accessioned | 2010-07-13T16:45:38Z |
dc.date.available | 2010-07-13T16:45:38Z |
dc.date.created | 2007-06 |
dc.date.issued | 2007-06 |
dc.identifier.citation | Rodríguez, A.; Sandoval, M. Numerical performance of incomplete factorizations for 3D transient convection-diffusion problems. "Advances in engineering software", Juny 2007, vol. 38, núm. 6, p. 439-450. |
dc.identifier.issn | 0965-9978 |
dc.identifier.uri | http://hdl.handle.net/2117/8164 |
dc.description.abstract | Many environmental processes can be modelled as transient convection–diffusion–reaction problems. This is the case, for instance, of the operation of activated-carbon filters. For industrial applications there is a growing demand for 3D simulations, so efficient linear solvers are a major concern. We have compared the numerical performance of two families of incomplete Cholesky factorizations as preconditioners of conjugate gradient iterations: drop-tolerance and prescribed-memory strategies. Numerical examples show that the former are computationally more efficient, but the latter may be preferable due to their predictable memory requirements. |
dc.format.extent | 12 p. |
dc.language.iso | eng |
dc.subject | Àrees temàtiques de la UPC::Desenvolupament humà i sostenible::Enginyeria ambiental |
dc.subject.lcsh | Carbon, Activated--Industrial applications |
dc.title | Numerical performance of incomplete factorizations for 3D transient convection-diffusion problems |
dc.type | Article |
dc.subject.lemac | Carbó activat -- Aplicacions industrials |
dc.contributor.group | Universitat Politècnica de Catalunya. LACÀN - Mètodes Numèrics en Ciències Aplicades i Enginyeria |
dc.identifier.doi | 10.1016/j.advengsoft.2006.09.003 |
dc.description.peerreviewed | Peer Reviewed |
dc.rights.access | Open Access |
local.identifier.drac | 755258 |
dc.description.version | Postprint (author’s final draft) |
local.citation.author | Rodríguez, A.; Sandoval, M. |
local.citation.publicationName | Advances in engineering software |
local.citation.volume | 38 |
local.citation.number | 6 |
local.citation.startingPage | 439 |
local.citation.endingPage | 450 |
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