On the stiffness and damping characteristics of magnetorheological dampers and their implications for flutter analysis
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1088/2631-8695/ab7dd6 http://hdl.handle.net/11449/205303 |
Resumo: | Aeroelastic stability analysis plays an important role during the development of new aircraft. It can affect flight envelope, the aircraft geometry, and the design of components, like control surface actuators, for example. However, the aerial vehicle needs to be designed free of flutter even if the actuators experience failure. For some cases the device can exhibit a dynamic behavior similar to the nonlinear damper. In this context, the present paper discusses the characterization of failed actuators described by a magnetorheological damper (MRD). Linear equivalent parameters of damping and stiffness are extracted from Fourier components at different driven harmonic amplitudes and frequencies of motion. The aeroelastic system stability is evaluated by using an adapted pk-based method. Numerical simulations are carried out in the time domain to demonstrate that this proposed modified pk method allows one to investigate the linear equivalent system to predict the dynamic behavior of the nonlinear system when aMRDis considered. |
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Repositório Institucional da UNESP |
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On the stiffness and damping characteristics of magnetorheological dampers and their implications for flutter analysisactuator in failure modeaeroelastic stabilityflutter analysismagnetorheological dampersstiffness and damping characteristicsAeroelastic stability analysis plays an important role during the development of new aircraft. It can affect flight envelope, the aircraft geometry, and the design of components, like control surface actuators, for example. However, the aerial vehicle needs to be designed free of flutter even if the actuators experience failure. For some cases the device can exhibit a dynamic behavior similar to the nonlinear damper. In this context, the present paper discusses the characterization of failed actuators described by a magnetorheological damper (MRD). Linear equivalent parameters of damping and stiffness are extracted from Fourier components at different driven harmonic amplitudes and frequencies of motion. The aeroelastic system stability is evaluated by using an adapted pk-based method. Numerical simulations are carried out in the time domain to demonstrate that this proposed modified pk method allows one to investigate the linear equivalent system to predict the dynamic behavior of the nonlinear system when aMRDis considered.Dept. of Mechanical Engineering Saõ Paulo State University (UNESP)Dept. of Mechanical Eng. and Materials Science Duke UniversityDept. of Mathematics Saõ Paulo State University (UNESP)Dept. of Mechanical Engineering Saõ Paulo State University (UNESP)Dept. of Mathematics Saõ Paulo State University (UNESP)Universidade Estadual Paulista (Unesp)Duke UniversityRodrigues, Daniel L. [UNESP]Dowell, Earl H.Bueno, Douglas D. [UNESP]2021-06-25T10:13:04Z2021-06-25T10:13:04Z2020-03-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://dx.doi.org/10.1088/2631-8695/ab7dd6Engineering Research Express, v. 2, n. 1, 2020.2631-8695http://hdl.handle.net/11449/20530310.1088/2631-8695/ab7dd62-s2.0-85092554325Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengEngineering Research Expressinfo:eu-repo/semantics/openAccess2021-10-23T12:31:26Zoai:repositorio.unesp.br:11449/205303Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462021-10-23T12:31:26Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
On the stiffness and damping characteristics of magnetorheological dampers and their implications for flutter analysis |
title |
On the stiffness and damping characteristics of magnetorheological dampers and their implications for flutter analysis |
spellingShingle |
On the stiffness and damping characteristics of magnetorheological dampers and their implications for flutter analysis Rodrigues, Daniel L. [UNESP] actuator in failure mode aeroelastic stability flutter analysis magnetorheological dampers stiffness and damping characteristics |
title_short |
On the stiffness and damping characteristics of magnetorheological dampers and their implications for flutter analysis |
title_full |
On the stiffness and damping characteristics of magnetorheological dampers and their implications for flutter analysis |
title_fullStr |
On the stiffness and damping characteristics of magnetorheological dampers and their implications for flutter analysis |
title_full_unstemmed |
On the stiffness and damping characteristics of magnetorheological dampers and their implications for flutter analysis |
title_sort |
On the stiffness and damping characteristics of magnetorheological dampers and their implications for flutter analysis |
author |
Rodrigues, Daniel L. [UNESP] |
author_facet |
Rodrigues, Daniel L. [UNESP] Dowell, Earl H. Bueno, Douglas D. [UNESP] |
author_role |
author |
author2 |
Dowell, Earl H. Bueno, Douglas D. [UNESP] |
author2_role |
author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Duke University |
dc.contributor.author.fl_str_mv |
Rodrigues, Daniel L. [UNESP] Dowell, Earl H. Bueno, Douglas D. [UNESP] |
dc.subject.por.fl_str_mv |
actuator in failure mode aeroelastic stability flutter analysis magnetorheological dampers stiffness and damping characteristics |
topic |
actuator in failure mode aeroelastic stability flutter analysis magnetorheological dampers stiffness and damping characteristics |
description |
Aeroelastic stability analysis plays an important role during the development of new aircraft. It can affect flight envelope, the aircraft geometry, and the design of components, like control surface actuators, for example. However, the aerial vehicle needs to be designed free of flutter even if the actuators experience failure. For some cases the device can exhibit a dynamic behavior similar to the nonlinear damper. In this context, the present paper discusses the characterization of failed actuators described by a magnetorheological damper (MRD). Linear equivalent parameters of damping and stiffness are extracted from Fourier components at different driven harmonic amplitudes and frequencies of motion. The aeroelastic system stability is evaluated by using an adapted pk-based method. Numerical simulations are carried out in the time domain to demonstrate that this proposed modified pk method allows one to investigate the linear equivalent system to predict the dynamic behavior of the nonlinear system when aMRDis considered. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-03-01 2021-06-25T10:13:04Z 2021-06-25T10:13:04Z |
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://dx.doi.org/10.1088/2631-8695/ab7dd6 Engineering Research Express, v. 2, n. 1, 2020. 2631-8695 http://hdl.handle.net/11449/205303 10.1088/2631-8695/ab7dd6 2-s2.0-85092554325 |
url |
http://dx.doi.org/10.1088/2631-8695/ab7dd6 http://hdl.handle.net/11449/205303 |
identifier_str_mv |
Engineering Research Express, v. 2, n. 1, 2020. 2631-8695 10.1088/2631-8695/ab7dd6 2-s2.0-85092554325 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Engineering Research Express |
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_ |
1792962028134989824 |