Front propagation in spatially modulated media

A two-dimensional reaction-diffusion front which propagates in a modulated medium is studied. The modulation consists of a spatial variation of the local front velocity in the transverse direction to that of the front propagation. We study analytically and numerically the final steady-state velocity...

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Detalhes bibliográficos
Autores: Armero Rovira, Juan, Lacasta Palacio, Ana María, Ramírez Piscina, Laureano, Casademunt i Viader, Jaume, Sancho, José M., Sagués i Mestre, Francesc
Formato: artículo
Estado:Versión publicada
Fecha de publicación:1997
País:España
Recursos:Universidad de Barcelona
Repositorio:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/18721
Acesso em linha:https://hdl.handle.net/2445/18721
Access Level:acceso abierto
Palavra-chave:Teoria quàntica
Teoria quàntica de camps
Dinàmica de fluids
Relativitat especial (Física)
Quantum theory
Quantum field theory
Fluid dynamics
Special relativity (Physics)
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spelling Front propagation in spatially modulated mediaArmero Rovira, JuanLacasta Palacio, Ana MaríaRamírez Piscina, LaureanoCasademunt i Viader, JaumeSancho, José M.Sagués i Mestre, FrancescTeoria quànticaTeoria quàntica de campsDinàmica de fluidsRelativitat especial (Física)Quantum theoryQuantum field theoryFluid dynamicsSpecial relativity (Physics)A two-dimensional reaction-diffusion front which propagates in a modulated medium is studied. The modulation consists of a spatial variation of the local front velocity in the transverse direction to that of the front propagation. We study analytically and numerically the final steady-state velocity and shape of the front, resulting from a nontrivial interplay between the local curvature effects and the global competition process between different maxima of the control parameter. The transient dynamics of the process is also studied numerically and analytically by means of singular perturbation techniques.The American Physical Society1997info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://hdl.handle.net/2445/18721Articles publicats en revistes (Física Quàntica i Astrofísica)reponame:Dipòsit Digital de la UBinstname:Universidad de BarcelonaInglésReproducció del document publicat a: http://dx.doi.org/10.1103/PhysRevE.56.5405Physical Review e, 1997, vol. 56, núm. 5, p. 5405-5412http://dx.doi.org/10.1103/PhysRevE.56.5405(c) The American Physical Society, 1997info:eu-repo/semantics/openAccessoai:diposit.ub.edu:2445/187212026-05-27T06:46:51Z
dc.title.none.fl_str_mv Front propagation in spatially modulated media
title Front propagation in spatially modulated media
spellingShingle Front propagation in spatially modulated media
Armero Rovira, Juan
Teoria quàntica
Teoria quàntica de camps
Dinàmica de fluids
Relativitat especial (Física)
Quantum theory
Quantum field theory
Fluid dynamics
Special relativity (Physics)
title_short Front propagation in spatially modulated media
title_full Front propagation in spatially modulated media
title_fullStr Front propagation in spatially modulated media
title_full_unstemmed Front propagation in spatially modulated media
title_sort Front propagation in spatially modulated media
dc.creator.none.fl_str_mv Armero Rovira, Juan
Lacasta Palacio, Ana María
Ramírez Piscina, Laureano
Casademunt i Viader, Jaume
Sancho, José M.
Sagués i Mestre, Francesc
author Armero Rovira, Juan
author_facet Armero Rovira, Juan
Lacasta Palacio, Ana María
Ramírez Piscina, Laureano
Casademunt i Viader, Jaume
Sancho, José M.
Sagués i Mestre, Francesc
author_role author
author2 Lacasta Palacio, Ana María
Ramírez Piscina, Laureano
Casademunt i Viader, Jaume
Sancho, José M.
Sagués i Mestre, Francesc
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv Teoria quàntica
Teoria quàntica de camps
Dinàmica de fluids
Relativitat especial (Física)
Quantum theory
Quantum field theory
Fluid dynamics
Special relativity (Physics)
topic Teoria quàntica
Teoria quàntica de camps
Dinàmica de fluids
Relativitat especial (Física)
Quantum theory
Quantum field theory
Fluid dynamics
Special relativity (Physics)
description A two-dimensional reaction-diffusion front which propagates in a modulated medium is studied. The modulation consists of a spatial variation of the local front velocity in the transverse direction to that of the front propagation. We study analytically and numerically the final steady-state velocity and shape of the front, resulting from a nontrivial interplay between the local curvature effects and the global competition process between different maxima of the control parameter. The transient dynamics of the process is also studied numerically and analytically by means of singular perturbation techniques.
publishDate 1997
dc.date.none.fl_str_mv 1997
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/18721
url https://hdl.handle.net/2445/18721
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Reproducció del document publicat a: http://dx.doi.org/10.1103/PhysRevE.56.5405
Physical Review e, 1997, vol. 56, núm. 5, p. 5405-5412
http://dx.doi.org/10.1103/PhysRevE.56.5405
dc.rights.none.fl_str_mv (c) The American Physical Society, 1997
info:eu-repo/semantics/openAccess
rights_invalid_str_mv (c) The American Physical Society, 1997
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv The American Physical Society
publisher.none.fl_str_mv The American Physical Society
dc.source.none.fl_str_mv Articles publicats en revistes (Física Quàntica i Astrofísica)
reponame:Dipòsit Digital de la UB
instname:Universidad de Barcelona
instname_str Universidad de Barcelona
reponame_str Dipòsit Digital de la UB
collection Dipòsit Digital de la UB
repository.name.fl_str_mv
repository.mail.fl_str_mv
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