Feasibility of the extended finite element method for the simulation of composite bonded joints

Detalhes bibliográficos
Autor(a) principal: Campilho, Raul
Data de Publicação: 2013
Outros Autores: Pinto, A. M. G., Banea, Mariana D., Chaves, Filipe J. P., Silva, Lucas F. M. da
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.22/4081
Resumo: Adhesive-bonding for the unions in multi-component structures is gaining momentum over welding, riveting and fastening. It is vital for the design of bonded structures the availability of accurate damage models, to minimize design costs and time to market. Cohesive Zone Models (CZM’s) have been used for fracture prediction in structures. The eXtended Finite Element Method (XFEM) is a recent improvement of the Finite Element Method (FEM) that relies on traction-separation laws similar to those of CZM’s but it allows the growth of discontinuities within bulk solids along an arbitrary path, by enriching degrees of freedom. This work proposes and validates a damage law to model crack propagation in a thin layer of a structural epoxy adhesive using the XFEM. The fracture toughness in pure mode I (GIc) and tensile cohesive strength (sn0) were defined by Double-Cantilever Beam (DCB) and bulk tensile tests, respectively, which permitted to build the damage law. The XFEM simulations of the DCB tests accurately matched the experimental load-displacement (P-d) curves, which validated the analysis procedure.
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spelling Feasibility of the extended finite element method for the simulation of composite bonded jointsBonded jointseXtended finite element methodFracture toughnessAdhesive-bonding for the unions in multi-component structures is gaining momentum over welding, riveting and fastening. It is vital for the design of bonded structures the availability of accurate damage models, to minimize design costs and time to market. Cohesive Zone Models (CZM’s) have been used for fracture prediction in structures. The eXtended Finite Element Method (XFEM) is a recent improvement of the Finite Element Method (FEM) that relies on traction-separation laws similar to those of CZM’s but it allows the growth of discontinuities within bulk solids along an arbitrary path, by enriching degrees of freedom. This work proposes and validates a damage law to model crack propagation in a thin layer of a structural epoxy adhesive using the XFEM. The fracture toughness in pure mode I (GIc) and tensile cohesive strength (sn0) were defined by Double-Cantilever Beam (DCB) and bulk tensile tests, respectively, which permitted to build the damage law. The XFEM simulations of the DCB tests accurately matched the experimental load-displacement (P-d) curves, which validated the analysis procedure.Trans Tech PublicationsRepositório Científico do Instituto Politécnico do PortoCampilho, RaulPinto, A. M. G.Banea, Mariana D.Chaves, Filipe J. P.Silva, Lucas F. M. da2014-02-28T09:33:38Z20132013-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.22/4081eng10.4028/www.scientific.net/MSF.730-732.513metadata only accessinfo: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:RCAAP2023-03-13T12:44:00Zoai:recipp.ipp.pt:10400.22/4081Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T17:25:01.515256Repositório 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 Feasibility of the extended finite element method for the simulation of composite bonded joints
title Feasibility of the extended finite element method for the simulation of composite bonded joints
spellingShingle Feasibility of the extended finite element method for the simulation of composite bonded joints
Campilho, Raul
Bonded joints
eXtended finite element method
Fracture toughness
title_short Feasibility of the extended finite element method for the simulation of composite bonded joints
title_full Feasibility of the extended finite element method for the simulation of composite bonded joints
title_fullStr Feasibility of the extended finite element method for the simulation of composite bonded joints
title_full_unstemmed Feasibility of the extended finite element method for the simulation of composite bonded joints
title_sort Feasibility of the extended finite element method for the simulation of composite bonded joints
author Campilho, Raul
author_facet Campilho, Raul
Pinto, A. M. G.
Banea, Mariana D.
Chaves, Filipe J. P.
Silva, Lucas F. M. da
author_role author
author2 Pinto, A. M. G.
Banea, Mariana D.
Chaves, Filipe J. P.
Silva, Lucas F. M. da
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Repositório Científico do Instituto Politécnico do Porto
dc.contributor.author.fl_str_mv Campilho, Raul
Pinto, A. M. G.
Banea, Mariana D.
Chaves, Filipe J. P.
Silva, Lucas F. M. da
dc.subject.por.fl_str_mv Bonded joints
eXtended finite element method
Fracture toughness
topic Bonded joints
eXtended finite element method
Fracture toughness
description Adhesive-bonding for the unions in multi-component structures is gaining momentum over welding, riveting and fastening. It is vital for the design of bonded structures the availability of accurate damage models, to minimize design costs and time to market. Cohesive Zone Models (CZM’s) have been used for fracture prediction in structures. The eXtended Finite Element Method (XFEM) is a recent improvement of the Finite Element Method (FEM) that relies on traction-separation laws similar to those of CZM’s but it allows the growth of discontinuities within bulk solids along an arbitrary path, by enriching degrees of freedom. This work proposes and validates a damage law to model crack propagation in a thin layer of a structural epoxy adhesive using the XFEM. The fracture toughness in pure mode I (GIc) and tensile cohesive strength (sn0) were defined by Double-Cantilever Beam (DCB) and bulk tensile tests, respectively, which permitted to build the damage law. The XFEM simulations of the DCB tests accurately matched the experimental load-displacement (P-d) curves, which validated the analysis procedure.
publishDate 2013
dc.date.none.fl_str_mv 2013
2013-01-01T00:00:00Z
2014-02-28T09:33:38Z
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dc.language.iso.fl_str_mv eng
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dc.publisher.none.fl_str_mv Trans Tech Publications
publisher.none.fl_str_mv Trans Tech Publications
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