Finite element analysis of laminar and turbulent flows using LES and subgrid-scale models
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Data de Publicação: | 2006 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da FURG (RI FURG) |
Texto Completo: | http://repositorio.furg.br/handle/1/5049 |
Resumo: | Numerical simulations of laminar and turbulent flows in a lid driven cavity and over a backward-facing step are presented in this work. The main objectives of this research are to know more about the structure of turbulent flows, to identify their three-dimensional characteristic and to study physical effects due to heat transfer. The filtered Navier–Stokes equations are used to simulate large scales, however they are supplemented by subgrid-scale (SGS) models to simulate the energy transfer from large scales toward subgridscales, where this energy will be dissipated by molecular viscosity. Two SGS models are applied: the classical Smagorinsky s model and the Dynamic model for large eddy simulation (LES). Both models are implemented in a three-dimensional finite element code using linear tetrahedral elements. Qualitative and quantitative aspects of two and three-dimensional flows in a lid-driven cavity and over a backward-facing step, using LES, are analyzed comparing numerical and experimental results obtained by other authors. |
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Finite element analysis of laminar and turbulent flows using LES and subgrid-scale modelsLaminar and turbulent flowsLarge eddy simulationFinite elementsSubgrid-scale modelNumerical simulations of laminar and turbulent flows in a lid driven cavity and over a backward-facing step are presented in this work. The main objectives of this research are to know more about the structure of turbulent flows, to identify their three-dimensional characteristic and to study physical effects due to heat transfer. The filtered Navier–Stokes equations are used to simulate large scales, however they are supplemented by subgrid-scale (SGS) models to simulate the energy transfer from large scales toward subgridscales, where this energy will be dissipated by molecular viscosity. Two SGS models are applied: the classical Smagorinsky s model and the Dynamic model for large eddy simulation (LES). Both models are implemented in a three-dimensional finite element code using linear tetrahedral elements. Qualitative and quantitative aspects of two and three-dimensional flows in a lid-driven cavity and over a backward-facing step, using LES, are analyzed comparing numerical and experimental results obtained by other authors.2015-06-19T18:01:28Z2015-06-19T18:01:28Z2006info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfPOPIOLEK, Tales Luiz; AWRUCH, Armando Miguel; TEIXEIRA, Paulo Roberto de Freitas. Finite element analysis of laminar and turbulent flows using LES and subgrid-scale models. Applied Mathematical Modelling, v. 30, n. 2, p.177-199, 2006. Disponível em: <http://www.sciencedirect.com/science/article/pii/S0307904X05000648>. Acesso em: 18 jun. 2015.0307-904Xhttp://repositorio.furg.br/handle/1/504910.1016/j.apm.2005.03.019engPopiolek, Tales LuizAwruch, Armando MiguelTeixeira, Paulo Roberto de Freitasinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da FURG (RI FURG)instname:Universidade Federal do Rio Grande (FURG)instacron:FURG2015-06-19T18:01:28Zoai:repositorio.furg.br:1/5049Repositório InstitucionalPUBhttps://repositorio.furg.br/oai/request || http://200.19.254.174/oai/requestopendoar:2015-06-19T18:01:28Repositório Institucional da FURG (RI FURG) - Universidade Federal do Rio Grande (FURG)false |
dc.title.none.fl_str_mv |
Finite element analysis of laminar and turbulent flows using LES and subgrid-scale models |
title |
Finite element analysis of laminar and turbulent flows using LES and subgrid-scale models |
spellingShingle |
Finite element analysis of laminar and turbulent flows using LES and subgrid-scale models Popiolek, Tales Luiz Laminar and turbulent flows Large eddy simulation Finite elements Subgrid-scale model |
title_short |
Finite element analysis of laminar and turbulent flows using LES and subgrid-scale models |
title_full |
Finite element analysis of laminar and turbulent flows using LES and subgrid-scale models |
title_fullStr |
Finite element analysis of laminar and turbulent flows using LES and subgrid-scale models |
title_full_unstemmed |
Finite element analysis of laminar and turbulent flows using LES and subgrid-scale models |
title_sort |
Finite element analysis of laminar and turbulent flows using LES and subgrid-scale models |
author |
Popiolek, Tales Luiz |
author_facet |
Popiolek, Tales Luiz Awruch, Armando Miguel Teixeira, Paulo Roberto de Freitas |
author_role |
author |
author2 |
Awruch, Armando Miguel Teixeira, Paulo Roberto de Freitas |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Popiolek, Tales Luiz Awruch, Armando Miguel Teixeira, Paulo Roberto de Freitas |
dc.subject.por.fl_str_mv |
Laminar and turbulent flows Large eddy simulation Finite elements Subgrid-scale model |
topic |
Laminar and turbulent flows Large eddy simulation Finite elements Subgrid-scale model |
description |
Numerical simulations of laminar and turbulent flows in a lid driven cavity and over a backward-facing step are presented in this work. The main objectives of this research are to know more about the structure of turbulent flows, to identify their three-dimensional characteristic and to study physical effects due to heat transfer. The filtered Navier–Stokes equations are used to simulate large scales, however they are supplemented by subgrid-scale (SGS) models to simulate the energy transfer from large scales toward subgridscales, where this energy will be dissipated by molecular viscosity. Two SGS models are applied: the classical Smagorinsky s model and the Dynamic model for large eddy simulation (LES). Both models are implemented in a three-dimensional finite element code using linear tetrahedral elements. Qualitative and quantitative aspects of two and three-dimensional flows in a lid-driven cavity and over a backward-facing step, using LES, are analyzed comparing numerical and experimental results obtained by other authors. |
publishDate |
2006 |
dc.date.none.fl_str_mv |
2006 2015-06-19T18:01:28Z 2015-06-19T18:01:28Z |
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 |
POPIOLEK, Tales Luiz; AWRUCH, Armando Miguel; TEIXEIRA, Paulo Roberto de Freitas. Finite element analysis of laminar and turbulent flows using LES and subgrid-scale models. Applied Mathematical Modelling, v. 30, n. 2, p.177-199, 2006. Disponível em: <http://www.sciencedirect.com/science/article/pii/S0307904X05000648>. Acesso em: 18 jun. 2015. 0307-904X http://repositorio.furg.br/handle/1/5049 10.1016/j.apm.2005.03.019 |
identifier_str_mv |
POPIOLEK, Tales Luiz; AWRUCH, Armando Miguel; TEIXEIRA, Paulo Roberto de Freitas. Finite element analysis of laminar and turbulent flows using LES and subgrid-scale models. Applied Mathematical Modelling, v. 30, n. 2, p.177-199, 2006. Disponível em: <http://www.sciencedirect.com/science/article/pii/S0307904X05000648>. Acesso em: 18 jun. 2015. 0307-904X 10.1016/j.apm.2005.03.019 |
url |
http://repositorio.furg.br/handle/1/5049 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da FURG (RI FURG) instname:Universidade Federal do Rio Grande (FURG) instacron:FURG |
instname_str |
Universidade Federal do Rio Grande (FURG) |
instacron_str |
FURG |
institution |
FURG |
reponame_str |
Repositório Institucional da FURG (RI FURG) |
collection |
Repositório Institucional da FURG (RI FURG) |
repository.name.fl_str_mv |
Repositório Institucional da FURG (RI FURG) - Universidade Federal do Rio Grande (FURG) |
repository.mail.fl_str_mv |
|
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1813187260325036032 |