Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/8280
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dc.contributor.authorallLongo, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italiaen
dc.contributor.authorallBarsanti, M.; Dipartimento di Matematica Applicata, University of Pisa, Pisa, Italyen
dc.contributor.authorallCassioli, A.; Dipartimento di Sistemi e Informatica, University of Florence, Florence, Italyen
dc.contributor.authorallPapale, P.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italiaen
dc.date.accessioned2012-10-18T12:48:10Zen
dc.date.available2012-10-18T12:48:10Zen
dc.date.issued2012-08-30en
dc.identifier.urihttp://hdl.handle.net/2122/8280en
dc.description.abstractThe space–time Galerkin/least-squares finite element method with discontinuity capturing (ST-GLSDC), developed by Hughes and collaborators [Shakib et al. A new finite element formulation for computational fluid dynamics: X. The compressible Euler and Navier–Stokes equations. Comput Methods Appl Mech Eng 1991;89:141–219], allows to study both compressible and incompressible single-fluid one-component flows. It is effective in the stabilization of the numerical solution without introducing excessive overdiffusion. In this work the development by Hauke and Hughes [A comparative study of different sets of variables for solving compressible and incompressible flows. Comput Methods Appl Mech Eng 1998;153:1–44] to pressure primitive variables is extended to single-fluid multicomponent compressible and incompressible flows of gas–liquid mixtures at local mechanical and chemical equilibrium. The stabilized algorithm is implemented in a parallel C++ library, which is tested on several benchmarks. The solution of the system of equations for the conservation of mass of each component, and of momentum and energy of the global mixture, requires the introduction of mass fractions as primitive variables to describe mixture composition. The weak formulation, the stabilization parameters, and the time-marching algorithm are rewritten in terms of the expanded set of variables, keeping similarity with the formulation in pressure variables.en
dc.language.isoEnglishen
dc.publisher.nameElsevier Science Limiteden
dc.relation.ispartofComputers & fluidsen
dc.relation.ispartofseries/67(2012)en
dc.subjectStabilized finite element methoden
dc.subjectNavier–Stokes equationsen
dc.subjectCompressible–incompressible flowen
dc.subjectMulticomponent flowen
dc.titleA finite element Galerkin/least-squares method for computation of multicomponent compressible–incompressible flowsen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber57-71en
dc.subject.INGV05. General::05.01. Computational geophysics::05.01.05. Algorithms and implementationen
dc.identifier.doi10.1016/j.compfluid.2012.07.008en
dc.description.obiettivoSpecifico3.6. Fisica del vulcanismoen
dc.description.journalTypeJCR Journalen
dc.description.fulltextrestricteden
dc.relation.issn0045-7930en
dc.relation.eissn1879-0747en
dc.contributor.authorLongo, A.en
dc.contributor.authorBarsanti, M.en
dc.contributor.authorCassioli, A.en
dc.contributor.authorPapale, P.en
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italiaen
dc.contributor.departmentDipartimento di Matematica Applicata, University of Pisa, Pisa, Italyen
dc.contributor.departmentDipartimento di Sistemi e Informatica, University of Florence, Florence, Italyen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italiaen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextrestricted-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Pisa, Pisa, Italia-
crisitem.author.deptUniversità di Pisa-
crisitem.author.deptDipartimento di Sistemi e Informatica, University of Florence, Florence, Italy-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Pisa, Pisa, Italia-
crisitem.author.orcid0000-0001-6590-6346-
crisitem.author.orcid0000-0002-5207-2124-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent05. General-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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