Boundary element method to analyze acoustic scattering from a coupled swimbladder-fish body configuration
- Autores
- Gonzalez, Juan Domingo; Lavia, Edmundo; Blanc, Silvia; Maas, Martín Daniel; Madirolas, Adrian Osvaldo
- Año de publicación
- 2020
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- A model for computing acoustic scattering by swimbladdered fish is presented. The effect of acoustic coupling between the fish tissue and the swimbladder is included. The swimbladder is considered a gas-filled object whereas the fish tissue is assumed to behave as a homogeneous fluid. Mathematically, this corresponds to considering the problem of two penetrable scatterers immersed in a homogeneous medium, one of which is wholly embedded in the other. The model is formulated in the frame of boundary integral equations whose solution is achieved using the Boundary Element Method (BEM) for a planar triangle mesh. The numerical implementation is verified against benchmark solutions reported in the literature. The model is then applied to a specimen of Argentine hake (Merluccius hubbsi), whose morphometry was determined by CT scanning of a frozen sample, for evaluating its forward and backscattering responses. From the acoustic scattering viewpoint, the swimbladder is considered as a gas-filled object while the flesh constituting the fish body acts like a weak scatterer. The numerical results suggest the swimbladder and the fish body responses, when fully coupled, can lead to substantial differences with respect to the simplified models normally in use in the area of aquatic ecosystem research.
Fil: Gonzalez, Juan Domingo. Ministerio de Defensa. Armada Argentina. Direccion Gral. de Investigacion y Desarrollo de la Ara. Direccion de Investigacion de la Armada. Departamento de Propagacion Acustica.; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Investigación y Desarrollo Estratégico para la Defensa. Ministerio de Defensa. Unidad de Investigación y Desarrollo Estratégico para la Defensa; Argentina
Fil: Lavia, Edmundo. Ministerio de Defensa. Armada Argentina. Direccion Gral. de Investigacion y Desarrollo de la Ara. Direccion de Investigacion de la Armada. Departamento de Propagacion Acustica.; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Investigación y Desarrollo Estratégico para la Defensa. Ministerio de Defensa. Unidad de Investigación y Desarrollo Estratégico para la Defensa; Argentina
Fil: Blanc, Silvia. Ministerio de Defensa. Armada Argentina. Direccion Gral. de Investigacion y Desarrollo de la Ara. Direccion de Investigacion de la Armada. Departamento de Propagacion Acustica.; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Investigación y Desarrollo Estratégico para la Defensa. Ministerio de Defensa. Unidad de Investigación y Desarrollo Estratégico para la Defensa; Argentina
Fil: Maas, Martín Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Centro de Simulación Computacional para Aplicaciones Tecnológicas; Argentina
Fil: Madirolas, Adrian Osvaldo. Instituto Nacional de Investigaciones y Desarrollo Pesquero; Argentina - Materia
-
ACOUSTIC SCATTERING
ARGENTINE HAKE
BACK-SCATTERING
BOUNDARY ELEMENT METHOD
CT-TOMOGRAPHY
FISH
FORWARD SCATTERING
MULTI-DOMAIN BEM - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/153780
Ver los metadatos del registro completo
id |
CONICETDig_6f05d34bbdb332fdbddc154953ccfbb3 |
---|---|
oai_identifier_str |
oai:ri.conicet.gov.ar:11336/153780 |
network_acronym_str |
CONICETDig |
repository_id_str |
3498 |
network_name_str |
CONICET Digital (CONICET) |
spelling |
Boundary element method to analyze acoustic scattering from a coupled swimbladder-fish body configurationGonzalez, Juan DomingoLavia, EdmundoBlanc, SilviaMaas, Martín DanielMadirolas, Adrian OsvaldoACOUSTIC SCATTERINGARGENTINE HAKEBACK-SCATTERINGBOUNDARY ELEMENT METHODCT-TOMOGRAPHYFISHFORWARD SCATTERINGMULTI-DOMAIN BEMhttps://purl.org/becyt/ford/1.1https://purl.org/becyt/ford/1A model for computing acoustic scattering by swimbladdered fish is presented. The effect of acoustic coupling between the fish tissue and the swimbladder is included. The swimbladder is considered a gas-filled object whereas the fish tissue is assumed to behave as a homogeneous fluid. Mathematically, this corresponds to considering the problem of two penetrable scatterers immersed in a homogeneous medium, one of which is wholly embedded in the other. The model is formulated in the frame of boundary integral equations whose solution is achieved using the Boundary Element Method (BEM) for a planar triangle mesh. The numerical implementation is verified against benchmark solutions reported in the literature. The model is then applied to a specimen of Argentine hake (Merluccius hubbsi), whose morphometry was determined by CT scanning of a frozen sample, for evaluating its forward and backscattering responses. From the acoustic scattering viewpoint, the swimbladder is considered as a gas-filled object while the flesh constituting the fish body acts like a weak scatterer. The numerical results suggest the swimbladder and the fish body responses, when fully coupled, can lead to substantial differences with respect to the simplified models normally in use in the area of aquatic ecosystem research.Fil: Gonzalez, Juan Domingo. Ministerio de Defensa. Armada Argentina. Direccion Gral. de Investigacion y Desarrollo de la Ara. Direccion de Investigacion de la Armada. Departamento de Propagacion Acustica.; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Investigación y Desarrollo Estratégico para la Defensa. Ministerio de Defensa. Unidad de Investigación y Desarrollo Estratégico para la Defensa; ArgentinaFil: Lavia, Edmundo. Ministerio de Defensa. Armada Argentina. Direccion Gral. de Investigacion y Desarrollo de la Ara. Direccion de Investigacion de la Armada. Departamento de Propagacion Acustica.; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Investigación y Desarrollo Estratégico para la Defensa. Ministerio de Defensa. Unidad de Investigación y Desarrollo Estratégico para la Defensa; ArgentinaFil: Blanc, Silvia. Ministerio de Defensa. Armada Argentina. Direccion Gral. de Investigacion y Desarrollo de la Ara. Direccion de Investigacion de la Armada. Departamento de Propagacion Acustica.; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Investigación y Desarrollo Estratégico para la Defensa. Ministerio de Defensa. Unidad de Investigación y Desarrollo Estratégico para la Defensa; ArgentinaFil: Maas, Martín Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Centro de Simulación Computacional para Aplicaciones Tecnológicas; ArgentinaFil: Madirolas, Adrian Osvaldo. Instituto Nacional de Investigaciones y Desarrollo Pesquero; ArgentinaAcademic Press Ltd - Elsevier Science Ltd2020-11-10info: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/11336/153780Gonzalez, Juan Domingo; Lavia, Edmundo; Blanc, Silvia; Maas, Martín Daniel; Madirolas, Adrian Osvaldo; Boundary element method to analyze acoustic scattering from a coupled swimbladder-fish body configuration; Academic Press Ltd - Elsevier Science Ltd; Journal of Sound and Vibration; 486; 10-11-2020; 1-170022-460XCONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0022460X20304405info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jsv.2020.115609info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/1909.11781info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:32:56Zoai:ri.conicet.gov.ar:11336/153780instacron: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:34982025-09-29 09:32:57.132CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Boundary element method to analyze acoustic scattering from a coupled swimbladder-fish body configuration |
title |
Boundary element method to analyze acoustic scattering from a coupled swimbladder-fish body configuration |
spellingShingle |
Boundary element method to analyze acoustic scattering from a coupled swimbladder-fish body configuration Gonzalez, Juan Domingo ACOUSTIC SCATTERING ARGENTINE HAKE BACK-SCATTERING BOUNDARY ELEMENT METHOD CT-TOMOGRAPHY FISH FORWARD SCATTERING MULTI-DOMAIN BEM |
title_short |
Boundary element method to analyze acoustic scattering from a coupled swimbladder-fish body configuration |
title_full |
Boundary element method to analyze acoustic scattering from a coupled swimbladder-fish body configuration |
title_fullStr |
Boundary element method to analyze acoustic scattering from a coupled swimbladder-fish body configuration |
title_full_unstemmed |
Boundary element method to analyze acoustic scattering from a coupled swimbladder-fish body configuration |
title_sort |
Boundary element method to analyze acoustic scattering from a coupled swimbladder-fish body configuration |
dc.creator.none.fl_str_mv |
Gonzalez, Juan Domingo Lavia, Edmundo Blanc, Silvia Maas, Martín Daniel Madirolas, Adrian Osvaldo |
author |
Gonzalez, Juan Domingo |
author_facet |
Gonzalez, Juan Domingo Lavia, Edmundo Blanc, Silvia Maas, Martín Daniel Madirolas, Adrian Osvaldo |
author_role |
author |
author2 |
Lavia, Edmundo Blanc, Silvia Maas, Martín Daniel Madirolas, Adrian Osvaldo |
author2_role |
author author author author |
dc.subject.none.fl_str_mv |
ACOUSTIC SCATTERING ARGENTINE HAKE BACK-SCATTERING BOUNDARY ELEMENT METHOD CT-TOMOGRAPHY FISH FORWARD SCATTERING MULTI-DOMAIN BEM |
topic |
ACOUSTIC SCATTERING ARGENTINE HAKE BACK-SCATTERING BOUNDARY ELEMENT METHOD CT-TOMOGRAPHY FISH FORWARD SCATTERING MULTI-DOMAIN BEM |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.1 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
A model for computing acoustic scattering by swimbladdered fish is presented. The effect of acoustic coupling between the fish tissue and the swimbladder is included. The swimbladder is considered a gas-filled object whereas the fish tissue is assumed to behave as a homogeneous fluid. Mathematically, this corresponds to considering the problem of two penetrable scatterers immersed in a homogeneous medium, one of which is wholly embedded in the other. The model is formulated in the frame of boundary integral equations whose solution is achieved using the Boundary Element Method (BEM) for a planar triangle mesh. The numerical implementation is verified against benchmark solutions reported in the literature. The model is then applied to a specimen of Argentine hake (Merluccius hubbsi), whose morphometry was determined by CT scanning of a frozen sample, for evaluating its forward and backscattering responses. From the acoustic scattering viewpoint, the swimbladder is considered as a gas-filled object while the flesh constituting the fish body acts like a weak scatterer. The numerical results suggest the swimbladder and the fish body responses, when fully coupled, can lead to substantial differences with respect to the simplified models normally in use in the area of aquatic ecosystem research. Fil: Gonzalez, Juan Domingo. Ministerio de Defensa. Armada Argentina. Direccion Gral. de Investigacion y Desarrollo de la Ara. Direccion de Investigacion de la Armada. Departamento de Propagacion Acustica.; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Investigación y Desarrollo Estratégico para la Defensa. Ministerio de Defensa. Unidad de Investigación y Desarrollo Estratégico para la Defensa; Argentina Fil: Lavia, Edmundo. Ministerio de Defensa. Armada Argentina. Direccion Gral. de Investigacion y Desarrollo de la Ara. Direccion de Investigacion de la Armada. Departamento de Propagacion Acustica.; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Investigación y Desarrollo Estratégico para la Defensa. Ministerio de Defensa. Unidad de Investigación y Desarrollo Estratégico para la Defensa; Argentina Fil: Blanc, Silvia. Ministerio de Defensa. Armada Argentina. Direccion Gral. de Investigacion y Desarrollo de la Ara. Direccion de Investigacion de la Armada. Departamento de Propagacion Acustica.; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Investigación y Desarrollo Estratégico para la Defensa. Ministerio de Defensa. Unidad de Investigación y Desarrollo Estratégico para la Defensa; Argentina Fil: Maas, Martín Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Centro de Simulación Computacional para Aplicaciones Tecnológicas; Argentina Fil: Madirolas, Adrian Osvaldo. Instituto Nacional de Investigaciones y Desarrollo Pesquero; Argentina |
description |
A model for computing acoustic scattering by swimbladdered fish is presented. The effect of acoustic coupling between the fish tissue and the swimbladder is included. The swimbladder is considered a gas-filled object whereas the fish tissue is assumed to behave as a homogeneous fluid. Mathematically, this corresponds to considering the problem of two penetrable scatterers immersed in a homogeneous medium, one of which is wholly embedded in the other. The model is formulated in the frame of boundary integral equations whose solution is achieved using the Boundary Element Method (BEM) for a planar triangle mesh. The numerical implementation is verified against benchmark solutions reported in the literature. The model is then applied to a specimen of Argentine hake (Merluccius hubbsi), whose morphometry was determined by CT scanning of a frozen sample, for evaluating its forward and backscattering responses. From the acoustic scattering viewpoint, the swimbladder is considered as a gas-filled object while the flesh constituting the fish body acts like a weak scatterer. The numerical results suggest the swimbladder and the fish body responses, when fully coupled, can lead to substantial differences with respect to the simplified models normally in use in the area of aquatic ecosystem research. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-11-10 |
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/11336/153780 Gonzalez, Juan Domingo; Lavia, Edmundo; Blanc, Silvia; Maas, Martín Daniel; Madirolas, Adrian Osvaldo; Boundary element method to analyze acoustic scattering from a coupled swimbladder-fish body configuration; Academic Press Ltd - Elsevier Science Ltd; Journal of Sound and Vibration; 486; 10-11-2020; 1-17 0022-460X CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/153780 |
identifier_str_mv |
Gonzalez, Juan Domingo; Lavia, Edmundo; Blanc, Silvia; Maas, Martín Daniel; Madirolas, Adrian Osvaldo; Boundary element method to analyze acoustic scattering from a coupled swimbladder-fish body configuration; Academic Press Ltd - Elsevier Science Ltd; Journal of Sound and Vibration; 486; 10-11-2020; 1-17 0022-460X 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.sciencedirect.com/science/article/pii/S0022460X20304405 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jsv.2020.115609 info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/1909.11781 |
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 |
Academic Press Ltd - Elsevier Science Ltd |
publisher.none.fl_str_mv |
Academic Press Ltd - Elsevier Science Ltd |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
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 |
_version_ |
1844613008481845248 |
score |
13.070432 |