Time segmented frequency domain analysis for non linear multi degree of freedom structural systems.

Detalhes bibliográficos
Autor(a) principal: Mansur, Webe João
Data de Publicação: 2000
Outros Autores: Carrer, José Antonio Marques, Ferreira, Walnório Graça, Gouveia, Antônio Maria Claret de, Venâncio Filho, Fernando
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFOP
Texto Completo: http://www.repositorio.ufop.br/handle/123456789/1148
Resumo: This paper presents a new frequency-domain method to analyze physically non-linear structural systems having non-proportional damping. Single- and multi-degree-of-freedom (d.o.f.) systems subjected to time-dependent excitations are considered. A procedure to consider initial conditions, required by the methodology described, is discussed. The algorithm described here employs a time-segmented procedure in modal co-ordinates in the frequency domain; solution in each time-segment being obtained by an iterative process. The proposed methodology is validated by three examples. The procedure presented here can be employed as well to analyze structural systems with viscous and hysteretic damping or else with frequency-dependent damping properties.
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spelling Mansur, Webe JoãoCarrer, José Antonio MarquesFerreira, Walnório GraçaGouveia, Antônio Maria Claret deVenâncio Filho, Fernando2012-07-17T15:19:04Z2012-07-17T15:19:04Z2000MANSUR, W. J. et al. Time segmented frequency domain analysis for non linear multi degree of freedom structural systems. Journal of Sound and Vibration, v. 237, n. 3, p. 457-475, 2000. Disponível em: <https://www.sciencedirect.com/science/article/pii/S0022460X00930669>. Acesso em: 17 jul. 2012.0022460Xhttp://www.repositorio.ufop.br/handle/123456789/1148This paper presents a new frequency-domain method to analyze physically non-linear structural systems having non-proportional damping. Single- and multi-degree-of-freedom (d.o.f.) systems subjected to time-dependent excitations are considered. A procedure to consider initial conditions, required by the methodology described, is discussed. The algorithm described here employs a time-segmented procedure in modal co-ordinates in the frequency domain; solution in each time-segment being obtained by an iterative process. The proposed methodology is validated by three examples. The procedure presented here can be employed as well to analyze structural systems with viscous and hysteretic damping or else with frequency-dependent damping properties.Time segmented frequency domain analysis for non linear multi degree of freedom structural systems.info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleO periódico Journal of Sound and Vibration concede permissão para depósito do artigo no Repositório Institucional da UFOP. Número da licença: 3335300736895.info:eu-repo/semantics/openAccessengreponame:Repositório Institucional da UFOPinstname:Universidade Federal de Ouro Preto (UFOP)instacron:UFOPLICENSElicense.txtlicense.txttext/plain; charset=utf-81748http://www.repositorio.ufop.br/bitstream/123456789/1148/5/license.txt8a4605be74aa9ea9d79846c1fba20a33MD55ORIGINALARTIGO_TimeSegmentedFrequency.pdfARTIGO_TimeSegmentedFrequency.pdfapplication/pdf235975http://www.repositorio.ufop.br/bitstream/123456789/1148/1/ARTIGO_TimeSegmentedFrequency.pdf3c0b4be3c4d4e69c3a34b3c696106b5fMD51123456789/11482019-02-27 12:44:42.537oai:localhost: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Repositório InstitucionalPUBhttp://www.repositorio.ufop.br/oai/requestrepositorio@ufop.edu.bropendoar:32332019-02-27T17:44:42Repositório Institucional da UFOP - Universidade Federal de Ouro Preto (UFOP)false
dc.title.pt_BR.fl_str_mv Time segmented frequency domain analysis for non linear multi degree of freedom structural systems.
title Time segmented frequency domain analysis for non linear multi degree of freedom structural systems.
spellingShingle Time segmented frequency domain analysis for non linear multi degree of freedom structural systems.
Mansur, Webe João
title_short Time segmented frequency domain analysis for non linear multi degree of freedom structural systems.
title_full Time segmented frequency domain analysis for non linear multi degree of freedom structural systems.
title_fullStr Time segmented frequency domain analysis for non linear multi degree of freedom structural systems.
title_full_unstemmed Time segmented frequency domain analysis for non linear multi degree of freedom structural systems.
title_sort Time segmented frequency domain analysis for non linear multi degree of freedom structural systems.
author Mansur, Webe João
author_facet Mansur, Webe João
Carrer, José Antonio Marques
Ferreira, Walnório Graça
Gouveia, Antônio Maria Claret de
Venâncio Filho, Fernando
author_role author
author2 Carrer, José Antonio Marques
Ferreira, Walnório Graça
Gouveia, Antônio Maria Claret de
Venâncio Filho, Fernando
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Mansur, Webe João
Carrer, José Antonio Marques
Ferreira, Walnório Graça
Gouveia, Antônio Maria Claret de
Venâncio Filho, Fernando
description This paper presents a new frequency-domain method to analyze physically non-linear structural systems having non-proportional damping. Single- and multi-degree-of-freedom (d.o.f.) systems subjected to time-dependent excitations are considered. A procedure to consider initial conditions, required by the methodology described, is discussed. The algorithm described here employs a time-segmented procedure in modal co-ordinates in the frequency domain; solution in each time-segment being obtained by an iterative process. The proposed methodology is validated by three examples. The procedure presented here can be employed as well to analyze structural systems with viscous and hysteretic damping or else with frequency-dependent damping properties.
publishDate 2000
dc.date.issued.fl_str_mv 2000
dc.date.accessioned.fl_str_mv 2012-07-17T15:19:04Z
dc.date.available.fl_str_mv 2012-07-17T15:19:04Z
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.citation.fl_str_mv MANSUR, W. J. et al. Time segmented frequency domain analysis for non linear multi degree of freedom structural systems. Journal of Sound and Vibration, v. 237, n. 3, p. 457-475, 2000. Disponível em: <https://www.sciencedirect.com/science/article/pii/S0022460X00930669>. Acesso em: 17 jul. 2012.
dc.identifier.uri.fl_str_mv http://www.repositorio.ufop.br/handle/123456789/1148
dc.identifier.issn.none.fl_str_mv 0022460X
identifier_str_mv MANSUR, W. J. et al. Time segmented frequency domain analysis for non linear multi degree of freedom structural systems. Journal of Sound and Vibration, v. 237, n. 3, p. 457-475, 2000. Disponível em: <https://www.sciencedirect.com/science/article/pii/S0022460X00930669>. Acesso em: 17 jul. 2012.
0022460X
url http://www.repositorio.ufop.br/handle/123456789/1148
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language eng
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bitstream.url.fl_str_mv http://www.repositorio.ufop.br/bitstream/123456789/1148/5/license.txt
http://www.repositorio.ufop.br/bitstream/123456789/1148/1/ARTIGO_TimeSegmentedFrequency.pdf
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