2D simulation of granular flow over irregular steep slopes using global and local coordinates

In this work approximate augmented Riemann solvers are formulated providing appropriate numerical schemes for mathematical models of granular flow on irregular steep slopes. Fluxes and source terms are discretized to ensure steady state configurations including correct modeling of start/stop flow co...

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Detalles Bibliográficos
Autores: Juez, Carmelo, Murillo, Javier, García-Navarro, Pilar
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2013
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/343842
Acceso en línea:http://hdl.handle.net/10261/343842
Access Level:acceso abierto
Palabra clave:Weak solutions
Well-balanced approach
Roe methods
Mud/Debris flow
Stability region
Wet/dry front
Shallow water systems
Coulomb stress
Stopping conditions
Gravity components
Local coordinates
Global coordinates
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spelling 2D simulation of granular flow over irregular steep slopes using global and local coordinatesJuez, CarmeloMurillo, JavierGarcía-Navarro, PilarWeak solutionsWell-balanced approachRoe methodsMud/Debris flowStability regionWet/dry frontShallow water systemsCoulomb stressStopping conditionsGravity componentsLocal coordinatesGlobal coordinatesIn this work approximate augmented Riemann solvers are formulated providing appropriate numerical schemes for mathematical models of granular flow on irregular steep slopes. Fluxes and source terms are discretized to ensure steady state configurations including correct modeling of start/stop flow conditions, both in a global and a local system of coordinates. The weak solutions presented involve the effect of bed slope in pressure distribution and frictional effects by means of the adequate gravity acceleration components. The numerical solvers proposed are first tested against 1D cases with exact solution and then their results are compared with experimental data in order to check the suitability of the mathematical models described in this work. Comparisons between results provided when using global and local system of coordinates are presented. The obtained results point out that both the global and the local system of coordinates can be used to predict faithfully the overall behavior of the phenomena considered in this work.This work has been partially funded by the Spanish Ministry of Science and Technology under research project CGL2011-28590.Peer reviewedElsevierMinisterio de Ciencia y Tecnología (España)202420242013info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Postprintinfo:eu-repo/semantics/acceptedVersionapplication/pdfhttp://hdl.handle.net/10261/343842reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement///CGL2011-28590https://doi.org/10.1016/j.jcp.2013.08.002Noinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3438422026-05-22T06:33:51Z
dc.title.none.fl_str_mv 2D simulation of granular flow over irregular steep slopes using global and local coordinates
title 2D simulation of granular flow over irregular steep slopes using global and local coordinates
spellingShingle 2D simulation of granular flow over irregular steep slopes using global and local coordinates
Juez, Carmelo
Weak solutions
Well-balanced approach
Roe methods
Mud/Debris flow
Stability region
Wet/dry front
Shallow water systems
Coulomb stress
Stopping conditions
Gravity components
Local coordinates
Global coordinates
title_short 2D simulation of granular flow over irregular steep slopes using global and local coordinates
title_full 2D simulation of granular flow over irregular steep slopes using global and local coordinates
title_fullStr 2D simulation of granular flow over irregular steep slopes using global and local coordinates
title_full_unstemmed 2D simulation of granular flow over irregular steep slopes using global and local coordinates
title_sort 2D simulation of granular flow over irregular steep slopes using global and local coordinates
dc.creator.none.fl_str_mv Juez, Carmelo
Murillo, Javier
García-Navarro, Pilar
author Juez, Carmelo
author_facet Juez, Carmelo
Murillo, Javier
García-Navarro, Pilar
author_role author
author2 Murillo, Javier
García-Navarro, Pilar
author2_role author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia y Tecnología (España)
dc.subject.none.fl_str_mv Weak solutions
Well-balanced approach
Roe methods
Mud/Debris flow
Stability region
Wet/dry front
Shallow water systems
Coulomb stress
Stopping conditions
Gravity components
Local coordinates
Global coordinates
topic Weak solutions
Well-balanced approach
Roe methods
Mud/Debris flow
Stability region
Wet/dry front
Shallow water systems
Coulomb stress
Stopping conditions
Gravity components
Local coordinates
Global coordinates
description In this work approximate augmented Riemann solvers are formulated providing appropriate numerical schemes for mathematical models of granular flow on irregular steep slopes. Fluxes and source terms are discretized to ensure steady state configurations including correct modeling of start/stop flow conditions, both in a global and a local system of coordinates. The weak solutions presented involve the effect of bed slope in pressure distribution and frictional effects by means of the adequate gravity acceleration components. The numerical solvers proposed are first tested against 1D cases with exact solution and then their results are compared with experimental data in order to check the suitability of the mathematical models described in this work. Comparisons between results provided when using global and local system of coordinates are presented. The obtained results point out that both the global and the local system of coordinates can be used to predict faithfully the overall behavior of the phenomena considered in this work.
publishDate 2013
dc.date.none.fl_str_mv 2013
2024
2024
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Postprint
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/343842
url http://hdl.handle.net/10261/343842
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement///CGL2011-28590
https://doi.org/10.1016/j.jcp.2013.08.002
No
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,811543

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