Wave transmission from asymmetrical changes of cross-sectional area in a beam

Detalhes bibliográficos
Autor(a) principal: Takiuti, B. E. [UNESP]
Data de Publicação: 2019
Outros Autores: Manconi, E., Brennan, M. J. [UNESP], Junior, V Lopes [UNESP]
Tipo de documento: Artigo de conferência
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.1088/1742-6596/1264/1/012056
http://hdl.handle.net/11449/188001
Resumo: In this paper wave scattering from an asymmetrical change of cross-sectional area in a beam is numerically studied. Incident symmetric and antisymmetric Lamb waves are considered and multiple wave mode conversion due to interaction with the discontinuity are investigated up to high frequency (above the cut-off of the second symmetric Lamb wave mode, S 2). Results are presented in terms of transmission power coefficients, kinetic energy, and energy velocity. These are evaluated using the Wave Finite Element method to predict the wave modes from FE cross-sectional nodal displacements and nodal forces. It is shown that the methodology proposed can give an insight into wave scattering and multiple converted Lamb wave modes, which can be useful in Structural Health Monitoring.
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spelling Wave transmission from asymmetrical changes of cross-sectional area in a beamdamage detectionfinite elementstructural health monitoringwave scatteringIn this paper wave scattering from an asymmetrical change of cross-sectional area in a beam is numerically studied. Incident symmetric and antisymmetric Lamb waves are considered and multiple wave mode conversion due to interaction with the discontinuity are investigated up to high frequency (above the cut-off of the second symmetric Lamb wave mode, S 2). Results are presented in terms of transmission power coefficients, kinetic energy, and energy velocity. These are evaluated using the Wave Finite Element method to predict the wave modes from FE cross-sectional nodal displacements and nodal forces. It is shown that the methodology proposed can give an insight into wave scattering and multiple converted Lamb wave modes, which can be useful in Structural Health Monitoring.Department of Mechanical Engineering UNESP São Paulo State University, Av. Brasil Sul, 56Department of Industrial Engineering University of Parma, Viale delle Scienze 181/ADepartment of Mechanical Engineering UNESP São Paulo State University, Av. Brasil Sul, 56Universidade Estadual Paulista (Unesp)University of ParmaTakiuti, B. E. [UNESP]Manconi, E.Brennan, M. J. [UNESP]Junior, V Lopes [UNESP]2019-10-06T15:53:57Z2019-10-06T15:53:57Z2019-07-24info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObjecthttp://dx.doi.org/10.1088/1742-6596/1264/1/012056Journal of Physics: Conference Series, v. 1264, n. 1, 2019.1742-65961742-6588http://hdl.handle.net/11449/18800110.1088/1742-6596/1264/1/0120562-s2.0-85071154643Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengJournal of Physics: Conference Seriesinfo:eu-repo/semantics/openAccess2021-10-22T21:15:55Zoai:repositorio.unesp.br:11449/188001Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T13:41:18.630195Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Wave transmission from asymmetrical changes of cross-sectional area in a beam
title Wave transmission from asymmetrical changes of cross-sectional area in a beam
spellingShingle Wave transmission from asymmetrical changes of cross-sectional area in a beam
Takiuti, B. E. [UNESP]
damage detection
finite element
structural health monitoring
wave scattering
title_short Wave transmission from asymmetrical changes of cross-sectional area in a beam
title_full Wave transmission from asymmetrical changes of cross-sectional area in a beam
title_fullStr Wave transmission from asymmetrical changes of cross-sectional area in a beam
title_full_unstemmed Wave transmission from asymmetrical changes of cross-sectional area in a beam
title_sort Wave transmission from asymmetrical changes of cross-sectional area in a beam
author Takiuti, B. E. [UNESP]
author_facet Takiuti, B. E. [UNESP]
Manconi, E.
Brennan, M. J. [UNESP]
Junior, V Lopes [UNESP]
author_role author
author2 Manconi, E.
Brennan, M. J. [UNESP]
Junior, V Lopes [UNESP]
author2_role author
author
author
dc.contributor.none.fl_str_mv Universidade Estadual Paulista (Unesp)
University of Parma
dc.contributor.author.fl_str_mv Takiuti, B. E. [UNESP]
Manconi, E.
Brennan, M. J. [UNESP]
Junior, V Lopes [UNESP]
dc.subject.por.fl_str_mv damage detection
finite element
structural health monitoring
wave scattering
topic damage detection
finite element
structural health monitoring
wave scattering
description In this paper wave scattering from an asymmetrical change of cross-sectional area in a beam is numerically studied. Incident symmetric and antisymmetric Lamb waves are considered and multiple wave mode conversion due to interaction with the discontinuity are investigated up to high frequency (above the cut-off of the second symmetric Lamb wave mode, S 2). Results are presented in terms of transmission power coefficients, kinetic energy, and energy velocity. These are evaluated using the Wave Finite Element method to predict the wave modes from FE cross-sectional nodal displacements and nodal forces. It is shown that the methodology proposed can give an insight into wave scattering and multiple converted Lamb wave modes, which can be useful in Structural Health Monitoring.
publishDate 2019
dc.date.none.fl_str_mv 2019-10-06T15:53:57Z
2019-10-06T15:53:57Z
2019-07-24
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/conferenceObject
format conferenceObject
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://dx.doi.org/10.1088/1742-6596/1264/1/012056
Journal of Physics: Conference Series, v. 1264, n. 1, 2019.
1742-6596
1742-6588
http://hdl.handle.net/11449/188001
10.1088/1742-6596/1264/1/012056
2-s2.0-85071154643
url http://dx.doi.org/10.1088/1742-6596/1264/1/012056
http://hdl.handle.net/11449/188001
identifier_str_mv Journal of Physics: Conference Series, v. 1264, n. 1, 2019.
1742-6596
1742-6588
10.1088/1742-6596/1264/1/012056
2-s2.0-85071154643
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Journal of Physics: Conference Series
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.none.fl_str_mv Scopus
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
_version_ 1808128264934260736

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