Flexible Multibody Systems Models Using Composite Materials Components

Detalhes bibliográficos
Autor(a) principal: Neto, Maria Augusta
Data de Publicação: 2004
Outros Autores: Ambrósio, Jorge A. C., Leal, Rogério Pereira
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10316/7657
https://doi.org/10.1007/s11044-004-0911-2
Resumo: The use of a multibody methodology to describe the large motion of complex systems that experience structural deformations enables to represent the complete system motion, the relative kinematics between the components involved, the deformation of the structural members and the inertia coupling between the large rigid body motion and the system elastodynamics. In this work, the flexible multibody dynamics formulations of complex models are extended to include elastic components made of composite materials, which may be laminated and anisotropic. The deformation of any structural member must be elastic and linear, when described in a coordinate frame fixed to one or more material points of its domain, regardless of the complexity of its geometry. To achieve the proposed flexible multibody formulation, a finite element model for each flexible body is used. For the beam composite material elements, the sections properties are found using an asymptotic procedure that involves a two-dimensional finite element analysis of their cross-section. The equations of motion of the flexible multibody system are solved using an augmented Lagrangian formulation and the accelerations and velocities are integrated in time using a multi-step multi-order integration algorithm based on the Gear method.
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spelling Flexible Multibody Systems Models Using Composite Materials ComponentsThe use of a multibody methodology to describe the large motion of complex systems that experience structural deformations enables to represent the complete system motion, the relative kinematics between the components involved, the deformation of the structural members and the inertia coupling between the large rigid body motion and the system elastodynamics. In this work, the flexible multibody dynamics formulations of complex models are extended to include elastic components made of composite materials, which may be laminated and anisotropic. The deformation of any structural member must be elastic and linear, when described in a coordinate frame fixed to one or more material points of its domain, regardless of the complexity of its geometry. To achieve the proposed flexible multibody formulation, a finite element model for each flexible body is used. For the beam composite material elements, the sections properties are found using an asymptotic procedure that involves a two-dimensional finite element analysis of their cross-section. The equations of motion of the flexible multibody system are solved using an augmented Lagrangian formulation and the accelerations and velocities are integrated in time using a multi-step multi-order integration algorithm based on the Gear method.2004info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://hdl.handle.net/10316/7657http://hdl.handle.net/10316/7657https://doi.org/10.1007/s11044-004-0911-2engMultibody System Dynamics. 12:4 (2004) 385-405Neto, Maria AugustaAmbrósio, Jorge A. C.Leal, Rogério Pereirainfo: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:RCAAP2021-09-16T10:35:56Zoai:estudogeral.uc.pt:10316/7657Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T20:58:26.189640Repositório 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 Flexible Multibody Systems Models Using Composite Materials Components
title Flexible Multibody Systems Models Using Composite Materials Components
spellingShingle Flexible Multibody Systems Models Using Composite Materials Components
Neto, Maria Augusta
title_short Flexible Multibody Systems Models Using Composite Materials Components
title_full Flexible Multibody Systems Models Using Composite Materials Components
title_fullStr Flexible Multibody Systems Models Using Composite Materials Components
title_full_unstemmed Flexible Multibody Systems Models Using Composite Materials Components
title_sort Flexible Multibody Systems Models Using Composite Materials Components
author Neto, Maria Augusta
author_facet Neto, Maria Augusta
Ambrósio, Jorge A. C.
Leal, Rogério Pereira
author_role author
author2 Ambrósio, Jorge A. C.
Leal, Rogério Pereira
author2_role author
author
dc.contributor.author.fl_str_mv Neto, Maria Augusta
Ambrósio, Jorge A. C.
Leal, Rogério Pereira
description The use of a multibody methodology to describe the large motion of complex systems that experience structural deformations enables to represent the complete system motion, the relative kinematics between the components involved, the deformation of the structural members and the inertia coupling between the large rigid body motion and the system elastodynamics. In this work, the flexible multibody dynamics formulations of complex models are extended to include elastic components made of composite materials, which may be laminated and anisotropic. The deformation of any structural member must be elastic and linear, when described in a coordinate frame fixed to one or more material points of its domain, regardless of the complexity of its geometry. To achieve the proposed flexible multibody formulation, a finite element model for each flexible body is used. For the beam composite material elements, the sections properties are found using an asymptotic procedure that involves a two-dimensional finite element analysis of their cross-section. The equations of motion of the flexible multibody system are solved using an augmented Lagrangian formulation and the accelerations and velocities are integrated in time using a multi-step multi-order integration algorithm based on the Gear method.
publishDate 2004
dc.date.none.fl_str_mv 2004
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dc.identifier.uri.fl_str_mv http://hdl.handle.net/10316/7657
http://hdl.handle.net/10316/7657
https://doi.org/10.1007/s11044-004-0911-2
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https://doi.org/10.1007/s11044-004-0911-2
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dc.relation.none.fl_str_mv Multibody System Dynamics. 12:4 (2004) 385-405
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