A Monte Carlo code for the collisional evolution of porous aggregates (CPA)

Context. The collisional evolution of submillimeter-sized porous dust aggregates is important in many astrophysical fields. Aims. We have developed a Monte Carlo code to study the processes of collision between mass-asymmetric, spherical, micron-sized porous silica aggregates that belong to a dust p...

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Detalles Bibliográficos
Autores: Millán, Emmanuel Nicolás, Planes, María Belén, Urbassek, Herbert M., Bringa, Eduardo Marcial
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2023
País:Argentina
Institución:Consejo Nacional de Investigaciones Científicas y Técnicas
Repositorio:CONICET Digital (CONICET)
Idioma:inglés
OAI Identifier:oai:ri.conicet.gov.ar:11336/198076
Acceso en línea:http://hdl.handle.net/11336/198076
Access Level:acceso abierto
Palabra clave:METHODS: NUMERICAL
PLANETS AND SATELLITES: FORMATION
PROTOPLANETARY DISKS
https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
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oai_identifier_str oai:ri.conicet.gov.ar:11336/198076
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repository_id_str
spelling A Monte Carlo code for the collisional evolution of porous aggregates (CPA)Millán, Emmanuel NicolásPlanes, María BelénUrbassek, Herbert M.Bringa, Eduardo MarcialMETHODS: NUMERICALPLANETS AND SATELLITES: FORMATIONPROTOPLANETARY DISKShttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1Context. The collisional evolution of submillimeter-sized porous dust aggregates is important in many astrophysical fields. Aims. We have developed a Monte Carlo code to study the processes of collision between mass-asymmetric, spherical, micron-sized porous silica aggregates that belong to a dust population. Methods. The Collision of Porous Aggregates (CPA) code simulates collision chains in a population of dust aggregates that have different sizes, masses, and porosities. We start from an initial distribution of granular aggregate sizes and assume some collision velocity distribution. In particular, for this study we used a random size distribution and a Maxwell-Boltzmann velocity distribution. A set of successive random collisions between pairs of aggregates form a single collision chain. The mass ratio, filling factor, and impact velocity influence the outcome of the collision between two aggregates. We averaged hundreds of thousands of independent collision chains to obtain the final, average distributions of aggregates. Results. We generated and studied four final distributions (F), for size (n), radius (R), porosity, and mass-porosity distributions, for a relatively low number of collisions. In general, there is a profuse generation of monomers and small clusters, with a distribution F (R) ∝ R-6 for small aggregates. Collisional growth of a few very large clusters is also observed. Collisions lead to a significant compaction of the dust population, as expected. Conclusions. The CPA code models the collisional evolution of a dust population and incorporates some novel features, such as the inclusion of mass-asymmetric aggregates (covering a wide range of aggregate radii), inter-granular friction, and the influence of porosity.Fil: Millán, Emmanuel Nicolás. Universidad Nacional de Cuyo. Instituto para las Tecnologías de la Informacion y las Comunicaciones; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza; ArgentinaFil: Planes, María Belén. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza; Argentina. Universidad de Mendoza. Facultad de Ingenieria; ArgentinaFil: Urbassek, Herbert M.. University Kaiserslautern; AlemaniaFil: Bringa, Eduardo Marcial. Universidad de Mendoza. Facultad de Ingenieria; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza; ArgentinaEDP Sciences2023-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/198076Millán, Emmanuel Nicolás; Planes, María Belén; Urbassek, Herbert M.; Bringa, Eduardo Marcial; A Monte Carlo code for the collisional evolution of porous aggregates (CPA); EDP Sciences; Astronomy and Astrophysics; 672; 4-2023; 1-180004-6361CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.aanda.org/10.1051/0004-6361/202243069info:eu-repo/semantics/altIdentifier/doi/10.1051/0004-6361/202243069info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2024-05-08T13:55:22Zoai:ri.conicet.gov.ar:11336/198076instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982024-05-08 13:55:22.567CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv A Monte Carlo code for the collisional evolution of porous aggregates (CPA)
title A Monte Carlo code for the collisional evolution of porous aggregates (CPA)
spellingShingle A Monte Carlo code for the collisional evolution of porous aggregates (CPA)
Millán, Emmanuel Nicolás
METHODS: NUMERICAL
PLANETS AND SATELLITES: FORMATION
PROTOPLANETARY DISKS
https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
title_short A Monte Carlo code for the collisional evolution of porous aggregates (CPA)
title_full A Monte Carlo code for the collisional evolution of porous aggregates (CPA)
title_fullStr A Monte Carlo code for the collisional evolution of porous aggregates (CPA)
title_full_unstemmed A Monte Carlo code for the collisional evolution of porous aggregates (CPA)
title_sort A Monte Carlo code for the collisional evolution of porous aggregates (CPA)
dc.creator.none.fl_str_mv Millán, Emmanuel Nicolás
Planes, María Belén
Urbassek, Herbert M.
Bringa, Eduardo Marcial
author Millán, Emmanuel Nicolás
author_facet Millán, Emmanuel Nicolás
Planes, María Belén
Urbassek, Herbert M.
Bringa, Eduardo Marcial
author_role author
author2 Planes, María Belén
Urbassek, Herbert M.
Bringa, Eduardo Marcial
author2_role author
author
author
dc.subject.none.fl_str_mv METHODS: NUMERICAL
PLANETS AND SATELLITES: FORMATION
PROTOPLANETARY DISKS
https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
topic METHODS: NUMERICAL
PLANETS AND SATELLITES: FORMATION
PROTOPLANETARY DISKS
https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
description Context. The collisional evolution of submillimeter-sized porous dust aggregates is important in many astrophysical fields. Aims. We have developed a Monte Carlo code to study the processes of collision between mass-asymmetric, spherical, micron-sized porous silica aggregates that belong to a dust population. Methods. The Collision of Porous Aggregates (CPA) code simulates collision chains in a population of dust aggregates that have different sizes, masses, and porosities. We start from an initial distribution of granular aggregate sizes and assume some collision velocity distribution. In particular, for this study we used a random size distribution and a Maxwell-Boltzmann velocity distribution. A set of successive random collisions between pairs of aggregates form a single collision chain. The mass ratio, filling factor, and impact velocity influence the outcome of the collision between two aggregates. We averaged hundreds of thousands of independent collision chains to obtain the final, average distributions of aggregates. Results. We generated and studied four final distributions (F), for size (n), radius (R), porosity, and mass-porosity distributions, for a relatively low number of collisions. In general, there is a profuse generation of monomers and small clusters, with a distribution F (R) ∝ R-6 for small aggregates. Collisional growth of a few very large clusters is also observed. Collisions lead to a significant compaction of the dust population, as expected. Conclusions. The CPA code models the collisional evolution of a dust population and incorporates some novel features, such as the inclusion of mass-asymmetric aggregates (covering a wide range of aggregate radii), inter-granular friction, and the influence of porosity.
publishDate 2023
dc.date.none.fl_str_mv 2023-04
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/198076
Millán, Emmanuel Nicolás; Planes, María Belén; Urbassek, Herbert M.; Bringa, Eduardo Marcial; A Monte Carlo code for the collisional evolution of porous aggregates (CPA); EDP Sciences; Astronomy and Astrophysics; 672; 4-2023; 1-18
0004-6361
CONICET Digital
CONICET
url http://hdl.handle.net/11336/198076
identifier_str_mv Millán, Emmanuel Nicolás; Planes, María Belén; Urbassek, Herbert M.; Bringa, Eduardo Marcial; A Monte Carlo code for the collisional evolution of porous aggregates (CPA); EDP Sciences; Astronomy and Astrophysics; 672; 4-2023; 1-18
0004-6361
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.aanda.org/10.1051/0004-6361/202243069
info:eu-repo/semantics/altIdentifier/doi/10.1051/0004-6361/202243069
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv EDP Sciences
publisher.none.fl_str_mv EDP Sciences
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 15,812455

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