Arching during the segregation of two dimensional tapped granular systems Mixtures versus intruders

We present numerical simulations of binary mixtures of granular disks subjected to tapping. We consider the size segregation process in terms of the arches formed by small and big particles. Although arching has been proposed as one of the chief mechanisms that determines size segregation in non-con...

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Detalles Bibliográficos
Autores principales: Uñac, Rodolfo, Benito, Jesica, Vidales, Ana María, Pugnaloni, Luis
Formato: Artículo publishedVersion
Lenguaje:Inglés
Publicado: Springer 2018
Materias:
Flowing Matter; Granular Matter
Acceso en línea:http://hdl.handle.net/20.500.12272/2805
Aporte de:
RIA - Repositorio Institucional Abierto (UTN) de Universidad Tecnológica Nacional
id I68-R174-20.500.12272-2805
record_format dspace
institution Universidad Tecnológica Nacional
institution_str I-68
repository_str R-174
collection RIA - Repositorio Institucional Abierto (UTN)
language Inglés
topic Flowing Matter; Granular Matter
spellingShingle Flowing Matter; Granular Matter
Uñac, Rodolfo
Benito, Jesica
Vidales, Ana María
Pugnaloni, Luis
Arching during the segregation of two dimensional tapped granular systems Mixtures versus intruders
topic_facet Flowing Matter; Granular Matter
description We present numerical simulations of binary mixtures of granular disks subjected to tapping. We consider the size segregation process in terms of the arches formed by small and big particles. Although arching has been proposed as one of the chief mechanisms that determines size segregation in non-convecting systems, there is no direct data on arching to support the existing proposals. The pseudo-dynamic approach chosen for this work allows for a straightforward identification of arches in the bulk of the column. We find that, indeed, arch formation and breakage are crucial to the segregation process. Our results show that the presence of large particles induce the formation of more arches than found in mono-sized samples. However, tapping leads to the progressive breakage of big arches where large particles are involved as the segregation process takes place. Interestingly, isolated intruders may or may not rise under tapping depending not only on the size ratio (as it is well known) but also on the degree of ordering of the environment.
format Artículo
publishedVersion
Artículo
author Uñac, Rodolfo
Benito, Jesica
Vidales, Ana María
Pugnaloni, Luis
author_facet Uñac, Rodolfo
Benito, Jesica
Vidales, Ana María
Pugnaloni, Luis
author_sort Uñac, Rodolfo
title Arching during the segregation of two dimensional tapped granular systems Mixtures versus intruders
title_short Arching during the segregation of two dimensional tapped granular systems Mixtures versus intruders
title_full Arching during the segregation of two dimensional tapped granular systems Mixtures versus intruders
title_fullStr Arching during the segregation of two dimensional tapped granular systems Mixtures versus intruders
title_full_unstemmed Arching during the segregation of two dimensional tapped granular systems Mixtures versus intruders
title_sort arching during the segregation of two dimensional tapped granular systems mixtures versus intruders
publisher Springer
publishDate 2018
url http://hdl.handle.net/20.500.12272/2805
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AT vidalesanamaria archingduringthesegregationoftwodimensionaltappedgranularsystemsmixturesversusintruders
AT pugnaloniluis archingduringthesegregationoftwodimensionaltappedgranularsystemsmixturesversusintruders
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