The spectral deterministic method applied to nêutron fixed-source discrete ordinates problems in X, Y-geometry for multigroup calculations

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dc.contributor.authorOLIVA, AMAURY M.pt_BR
dc.contributor.authorALVES FILHO, HERMESpt_BR
dc.contributor.authorBARROS, RICARDO C.pt_BR
dc.contributor.authorCURBELO, JESUS P.pt_BR
dc.coverageInternacionalpt_BR
dc.creator.eventoINTERNATIONAL NUCLEAR ATLANTIC CONFERENCEpt_BR
dc.date.accessioned2020-02-20T12:52:37Z
dc.date.available2020-02-20T12:52:37Z
dc.date.eventoOctober 21-25, 2019pt_BR
dc.description.abstractA new approach for the development of a coarse-mesh numerical spectral nodal method is presented in this paper. This method, referred to as the Spectral Deterministic Method { Constant Nodal (SDM{CN), is based on a spectral analysis of the multigroup X,Y-Geometry, linearly anisotropic scattering neutron transport equations in discrete ordinates ( SN)formulation for xed-source calculations in non-multiplying media. In this paper we present typical model problems to illustrate the accuracy and the e ciency for coarse-mesh energy multigroup SN calculations of the SDM-CN method. The numerical results obtained are compared with the traditional ne-mesh Diamond Di erence (DD) method and the results obtained by DOT{II and TWOTRAN codes. The numerical results are also compared with the spectral nodal method, spectral Green's function (SGF).pt_BR
dc.event.siglaINACpt_BR
dc.format.extent4702-4716pt_BR
dc.identifier.citationOLIVA, AMAURY M.; ALVES FILHO, HERMES; BARROS, RICARDO C.; CURBELO, JESUS P. The spectral deterministic method applied to nêutron fixed-source discrete ordinates problems in X, Y-geometry for multigroup calculations. In: INTERNATIONAL NUCLEAR ATLANTIC CONFERENCE, October 21-25, 2019, Santos, SP. <b>Proceedings...</b> Rio de Janeiro: Associação Brasileira de Energia Nuclear, 2019. p. 4702-4716. Disponível em: http://repositorio.ipen.br/handle/123456789/30811.
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/30811
dc.localRio de Janeiropt_BR
dc.local.eventoSantos, SPpt_BR
dc.publisherAssociação Brasileira de Energia Nuclear
dc.rightsopenAccesspt_BR
dc.subjectboltzmann equation
dc.subjectcomparative evaluations
dc.subjectcomparative evaluations
dc.subjectcomputerized simulation
dc.subjectd codes
dc.subjectdiscrete ordinate method
dc.subjectfinite difference method
dc.subjectmultigroup theory
dc.subjectneutron transport
dc.subjectnodal expansion method
dc.subjectscattering
dc.subjectt codes
dc.titleThe spectral deterministic method applied to nêutron fixed-source discrete ordinates problems in X, Y-geometry for multigroup calculationspt_BR
dc.typeTexto completo de eventopt_BR
dspace.entity.typePublication
ipen.autorAMAURY MUñOZ OLIVA
ipen.codigoautor15577
ipen.contributor.ipenauthorAMAURY MUñOZ OLIVA
ipen.date.recebimento20-02
ipen.event.datapadronizada2019pt_BR
ipen.identifier.ipendoc26350pt_BR
ipen.notas.internasProceedingspt_BR
ipen.type.genreArtigo
relation.isAuthorOfPublication9bef8fbf-8a56-4524-a0f1-46600d5f9395
relation.isAuthorOfPublication.latestForDiscovery9bef8fbf-8a56-4524-a0f1-46600d5f9395
sigepi.autor.atividadeOLIVA, AMAURY M.:15577:-1:S
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