Physical pendulum model: Fractional differential equation and memory effects

Detalhes bibliográficos
Autor(a) principal: Gonçalves, Luís Nobre
Data de Publicação: 2020
Outros Autores: Fernandes, João C., Ferraz, António, Silva, Ana Gomes, Sebastião, Pedro José Oliveira
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10362/117338
Resumo: A detailed analysis of pendular motion is presented. Inertial effects, self-oscillation, and memory, together with non-constant moment of inertia, hysteresis, and negative damping are shown to be required for the comprehensive description of the free pendulum oscillatory regime. The effects of very high initial amplitudes, friction in the roller bearing axle, drag, and pendulum geometry are also analyzed and discussed. A model consisting of a fractional differential equation fits and explains high resolution and long-time experimental data gathered from standard action-camera videos.
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spelling Physical pendulum model: Fractional differential equation and memory effectsPhysics and Astronomy(all)A detailed analysis of pendular motion is presented. Inertial effects, self-oscillation, and memory, together with non-constant moment of inertia, hysteresis, and negative damping are shown to be required for the comprehensive description of the free pendulum oscillatory regime. The effects of very high initial amplitudes, friction in the roller bearing axle, drag, and pendulum geometry are also analyzed and discussed. A model consisting of a fractional differential equation fits and explains high resolution and long-time experimental data gathered from standard action-camera videos.DF – Departamento de FísicaCeFITec – Centro de Física e Investigação TecnológicaRUNGonçalves, Luís NobreFernandes, João C.Ferraz, AntónioSilva, Ana GomesSebastião, Pedro José Oliveira2021-05-07T23:07:25Z2020-11-012020-11-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article14application/pdfhttp://hdl.handle.net/10362/117338eng0002-9505PURE: 29548468https://doi.org/10.1119/10.0001660info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-03-11T05:00:29Zoai:run.unl.pt:10362/117338Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T03:43:36.055869Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Physical pendulum model: Fractional differential equation and memory effects
title Physical pendulum model: Fractional differential equation and memory effects
spellingShingle Physical pendulum model: Fractional differential equation and memory effects
Gonçalves, Luís Nobre
Physics and Astronomy(all)
title_short Physical pendulum model: Fractional differential equation and memory effects
title_full Physical pendulum model: Fractional differential equation and memory effects
title_fullStr Physical pendulum model: Fractional differential equation and memory effects
title_full_unstemmed Physical pendulum model: Fractional differential equation and memory effects
title_sort Physical pendulum model: Fractional differential equation and memory effects
author Gonçalves, Luís Nobre
author_facet Gonçalves, Luís Nobre
Fernandes, João C.
Ferraz, António
Silva, Ana Gomes
Sebastião, Pedro José Oliveira
author_role author
author2 Fernandes, João C.
Ferraz, António
Silva, Ana Gomes
Sebastião, Pedro José Oliveira
author2_role author
author
author
author
dc.contributor.none.fl_str_mv DF – Departamento de Física
CeFITec – Centro de Física e Investigação Tecnológica
RUN
dc.contributor.author.fl_str_mv Gonçalves, Luís Nobre
Fernandes, João C.
Ferraz, António
Silva, Ana Gomes
Sebastião, Pedro José Oliveira
dc.subject.por.fl_str_mv Physics and Astronomy(all)
topic Physics and Astronomy(all)
description A detailed analysis of pendular motion is presented. Inertial effects, self-oscillation, and memory, together with non-constant moment of inertia, hysteresis, and negative damping are shown to be required for the comprehensive description of the free pendulum oscillatory regime. The effects of very high initial amplitudes, friction in the roller bearing axle, drag, and pendulum geometry are also analyzed and discussed. A model consisting of a fractional differential equation fits and explains high resolution and long-time experimental data gathered from standard action-camera videos.
publishDate 2020
dc.date.none.fl_str_mv 2020-11-01
2020-11-01T00:00:00Z
2021-05-07T23:07:25Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10362/117338
url http://hdl.handle.net/10362/117338
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 0002-9505
PURE: 29548468
https://doi.org/10.1119/10.0001660
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 14
application/pdf
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
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reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
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