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UnDiFi-2D: an Unstructured Discontinuity Fitting code for 2D grids

hal.structure.identifierSaint Petersburg State University [SPBU]
dc.contributor.authorCAMPOLI, Lorenzo
hal.structure.identifierDipartimento di Ingegneria Meccanica e Aerospaziale [Roma La Sapienza] [DIMA]
dc.contributor.authorASSONITIS, Alessia
hal.structure.identifierCertified Adaptive discRete moDels for robust simulAtions of CoMplex flOws with Moving fronts [CARDAMOM]
hal.structure.identifierDipartimento di Ingegneria Meccanica e Aerospaziale [Roma La Sapienza] [DIMA]
dc.contributor.authorCIALLELLA, Mirco
hal.structure.identifierDipartimento di Ingegneria Meccanica e Aerospaziale [Roma La Sapienza] [DIMA]
dc.contributor.authorPACIORRI, Renato
hal.structure.identifierUniversità degli studi della Basilicata = University of Basilicata [UNIBAS]
dc.contributor.authorBONFIGLIOLI, Aldo
hal.structure.identifierCertified Adaptive discRete moDels for robust simulAtions of CoMplex flOws with Moving fronts [CARDAMOM]
dc.contributor.authorRICCHIUTO, Mario
dc.date.accessioned2024-04-04T02:44:27Z
dc.date.available2024-04-04T02:44:27Z
dc.date.issued2021-05-29
dc.identifier.issn0010-4655
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/191410
dc.description.abstractEnUnDiFi-2D, an open source (free software) Unstructured-grid, Di scontinuity Fi tting code, is presented. The aim of UnDiFi-2D is to model gas-dynamic discontinuities in twodimensional (2D) flows as if they were true discontinuities of null thickness that bound regions of the flow-field where a smooth solution to the governing PDEs exists. UnDiFi-2D therefore needs to be coupled with an unstructured CFD solver that is used to discretize the governing PDEs within the smooth regions of the flow-field. Two different, in-house developed, CFD solvers are also included in the current distribution. The main features of the UnDiFi-2D software can be summarized as follows: Programming Language UnDiFi-2D is written in standard Fortran 77/95; its design is highly modular in order to enhance simplicity of use, maintenance and allow coupling with virtually any existing CFD solver; Usability, Maintenance and Enhancement In order to improve the usability, maintenance and enhancement of the code also the documentation has been carefully taken into account. The git distributed versioning system has been adopted to facilitate collaborative maintenance and code development; Copyrights UnDiFi-2D is a free software that anyone can use, copy, distribute, change and improve under the GNU Public License version 3. The present paper is a manifesto of the first public release of the UnDiFi-2D code. It describes the currently implemented features, which are the result of more than a decade of still ongoing CFD developments. This work is focused on the computational techniques adopted and a detailed description of the main characteristics is reported. UnDiFi-2D capabilities are demonstrated by means of examples test cases. The design of the code allows to easily include existing CFD codes and is aimed at ease code reuse and readability.
dc.language.isoen
dc.publisherElsevier
dc.subject.enCFD
dc.subject.enFortran
dc.subject.enC
dc.subject.enShock-fitting
dc.subject.enShock-capturing
dc.subject.enUnstructured grids
dc.title.enUnDiFi-2D: an Unstructured Discontinuity Fitting code for 2D grids
dc.typeArticle de revue
dc.identifier.doi10.1016/j.cpc.2021.108202
dc.subject.halInformatique [cs]/Modélisation et simulation
bordeaux.journalComputer Physics Communications
bordeaux.page108202
bordeaux.volume271
bordeaux.hal.laboratoriesInstitut de Mathématiques de Bordeaux (IMB) - UMR 5251*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierhal-03408117
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03408117v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Computer%20Physics%20Communications&rft.date=2021-05-29&rft.volume=271&rft.spage=108202&rft.epage=108202&rft.eissn=0010-4655&rft.issn=0010-4655&rft.au=CAMPOLI,%20Lorenzo&ASSONITIS,%20Alessia&CIALLELLA,%20Mirco&PACIORRI,%20Renato&BONFIGLIOLI,%20Aldo&rft.genre=article


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