2D Flow in a Wall-bounded Porous Medium

Detalhes bibliográficos
Autor(a) principal: Ferreira de Sousa, Paulo
Data de Publicação: 2012
Outros Autores: Malico, Isabel, Fernandes, Gérson
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10174/8929
https://doi.org/10.4028/www.scientific.net/DDF.334-335.359
Resumo: A compact finite differences method is used to calculate two-dimensional viscous flows through complex geometries. The immersed boundaries are set through body forces that allow for the imposition of boundary conditions that coincide with the computational grid. Two different flow configurations are simulated. First, the flow through a row of cylinders with square cross-sections is calculated and used as a validation study. The computed average drag coefficient and Strouhal number are compared to data available in the literature, showing a good agreement between the results. The second flow configuration analyzed is the flow through a porous matrix composed of equal size staggered square cylinders. Flow visualization results are shown and various flow regimes identified. Different inlet boundary conditions are compared. The drag coefficient is larger when a uniform inlet velocity is prescribed and the variability between cylinders is lower.
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spelling 2D Flow in a Wall-bounded Porous MediumImmersed boundary methodIncompressible flowSquare cylinderPorous mediaA compact finite differences method is used to calculate two-dimensional viscous flows through complex geometries. The immersed boundaries are set through body forces that allow for the imposition of boundary conditions that coincide with the computational grid. Two different flow configurations are simulated. First, the flow through a row of cylinders with square cross-sections is calculated and used as a validation study. The computed average drag coefficient and Strouhal number are compared to data available in the literature, showing a good agreement between the results. The second flow configuration analyzed is the flow through a porous matrix composed of equal size staggered square cylinders. Flow visualization results are shown and various flow regimes identified. Different inlet boundary conditions are compared. The drag coefficient is larger when a uniform inlet velocity is prescribed and the variability between cylinders is lower.Trans Tech Publications2013-10-24T09:26:41Z2013-10-242012-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://hdl.handle.net/10174/8929http://hdl.handle.net/10174/8929https://doi.org/10.4028/www.scientific.net/DDF.334-335.359engFerreira de Sousa, P. J. S. A., Malico, I., Fernandes, G. (2013). 2D Flow in a Wall-bounded Porous Medium. Defect and Diffusion Forum, 334-335, 359-364.359-364334-335Defect and Diffusion Forumferreiradesousa@gmail.comimbm@uevora.ptgersonf@uevora.pt449Ferreira de Sousa, PauloMalico, IsabelFernandes, Gérsoninfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-01-03T18:50:15Zoai:dspace.uevora.pt:10174/8929Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T01:03:02.063455Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv 2D Flow in a Wall-bounded Porous Medium
title 2D Flow in a Wall-bounded Porous Medium
spellingShingle 2D Flow in a Wall-bounded Porous Medium
Ferreira de Sousa, Paulo
Immersed boundary method
Incompressible flow
Square cylinder
Porous media
title_short 2D Flow in a Wall-bounded Porous Medium
title_full 2D Flow in a Wall-bounded Porous Medium
title_fullStr 2D Flow in a Wall-bounded Porous Medium
title_full_unstemmed 2D Flow in a Wall-bounded Porous Medium
title_sort 2D Flow in a Wall-bounded Porous Medium
author Ferreira de Sousa, Paulo
author_facet Ferreira de Sousa, Paulo
Malico, Isabel
Fernandes, Gérson
author_role author
author2 Malico, Isabel
Fernandes, Gérson
author2_role author
author
dc.contributor.author.fl_str_mv Ferreira de Sousa, Paulo
Malico, Isabel
Fernandes, Gérson
dc.subject.por.fl_str_mv Immersed boundary method
Incompressible flow
Square cylinder
Porous media
topic Immersed boundary method
Incompressible flow
Square cylinder
Porous media
description A compact finite differences method is used to calculate two-dimensional viscous flows through complex geometries. The immersed boundaries are set through body forces that allow for the imposition of boundary conditions that coincide with the computational grid. Two different flow configurations are simulated. First, the flow through a row of cylinders with square cross-sections is calculated and used as a validation study. The computed average drag coefficient and Strouhal number are compared to data available in the literature, showing a good agreement between the results. The second flow configuration analyzed is the flow through a porous matrix composed of equal size staggered square cylinders. Flow visualization results are shown and various flow regimes identified. Different inlet boundary conditions are compared. The drag coefficient is larger when a uniform inlet velocity is prescribed and the variability between cylinders is lower.
publishDate 2012
dc.date.none.fl_str_mv 2012-01-01T00:00:00Z
2013-10-24T09:26:41Z
2013-10-24
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10174/8929
http://hdl.handle.net/10174/8929
https://doi.org/10.4028/www.scientific.net/DDF.334-335.359
url http://hdl.handle.net/10174/8929
https://doi.org/10.4028/www.scientific.net/DDF.334-335.359
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Ferreira de Sousa, P. J. S. A., Malico, I., Fernandes, G. (2013). 2D Flow in a Wall-bounded Porous Medium. Defect and Diffusion Forum, 334-335, 359-364.
359-364
334-335
Defect and Diffusion Forum
ferreiradesousa@gmail.com
imbm@uevora.pt
gersonf@uevora.pt
449
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Trans Tech Publications
publisher.none.fl_str_mv Trans Tech Publications
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
repository.mail.fl_str_mv
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