A boundary element method formulation to capture strong discontinuities in solids
Autor(a) principal: | |
---|---|
Data de Publicação: | 2005 |
Outros Autores: | |
Tipo de documento: | Artigo de conferência |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://hdl.handle.net/11449/231280 |
Resumo: | A Boundary Element Method (BEM) formulation to predict the behavior of solids exhibiting displacement (strong) discontinuity is presented. In this formulation, the effects of the displacement jump of a discontinuity interface embedded in an internal cell are reproduced by an equivalent inelastic strain field in the cell. As a consequence, the non-linear BEM integral equations that result from the proposed approach are similar to those of the implicit BEM based on initial strains, so that only small changes in the standard implicit boundary element codes are required to make possible strong discontinuity simulations. Since discontinuity interfaces can be introduced in the interior cell independently of the cell boundaries, the proposed BEM formulation allows for arbitrary discontinuity propagation using a fixed internal cell mesh. A concrete fracture test is analysed to access the performance of the proposed formulation. |
id |
UNSP_3afed841837db7d551d30b2577ed36e5 |
---|---|
oai_identifier_str |
oai:repositorio.unesp.br:11449/231280 |
network_acronym_str |
UNSP |
network_name_str |
Repositório Institucional da UNESP |
repository_id_str |
2946 |
spelling |
A boundary element method formulation to capture strong discontinuities in solidsBoundary elementsCrackFracture mechanicsStrong discontinuityA Boundary Element Method (BEM) formulation to predict the behavior of solids exhibiting displacement (strong) discontinuity is presented. In this formulation, the effects of the displacement jump of a discontinuity interface embedded in an internal cell are reproduced by an equivalent inelastic strain field in the cell. As a consequence, the non-linear BEM integral equations that result from the proposed approach are similar to those of the implicit BEM based on initial strains, so that only small changes in the standard implicit boundary element codes are required to make possible strong discontinuity simulations. Since discontinuity interfaces can be introduced in the interior cell independently of the cell boundaries, the proposed BEM formulation allows for arbitrary discontinuity propagation using a fixed internal cell mesh. A concrete fracture test is analysed to access the performance of the proposed formulation.Department of Civil Engineering State of São Paulo University, Av. Luiz E. C. Coube, S/N, 17033-360, Bauru-SPSão Carlos School of Engineering University of São Paulo, Av. Trabalhador São-Carlense, 400, 13566-970, São Carlos-SPUniversidade de São Paulo (USP)Manzoli, Osvaldo L.Venturini, Wilson S.2022-04-29T08:44:28Z2022-04-29T08:44:28Z2005-12-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObject427-430Computational Plasticity: Fundamentals and Applications - Proceedings of the 8th International Conference on Computational Plasticity, COMPLAS VIII, n. PART 1, p. 427-430, 2005.http://hdl.handle.net/11449/2312802-s2.0-84857170828Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengComputational Plasticity: Fundamentals and Applications - Proceedings of the 8th International Conference on Computational Plasticity, COMPLAS VIIIinfo:eu-repo/semantics/openAccess2024-06-28T12:56:52Zoai:repositorio.unesp.br:11449/231280Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T15:24:05.935672Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
A boundary element method formulation to capture strong discontinuities in solids |
title |
A boundary element method formulation to capture strong discontinuities in solids |
spellingShingle |
A boundary element method formulation to capture strong discontinuities in solids Manzoli, Osvaldo L. Boundary elements Crack Fracture mechanics Strong discontinuity |
title_short |
A boundary element method formulation to capture strong discontinuities in solids |
title_full |
A boundary element method formulation to capture strong discontinuities in solids |
title_fullStr |
A boundary element method formulation to capture strong discontinuities in solids |
title_full_unstemmed |
A boundary element method formulation to capture strong discontinuities in solids |
title_sort |
A boundary element method formulation to capture strong discontinuities in solids |
author |
Manzoli, Osvaldo L. |
author_facet |
Manzoli, Osvaldo L. Venturini, Wilson S. |
author_role |
author |
author2 |
Venturini, Wilson S. |
author2_role |
author |
dc.contributor.none.fl_str_mv |
Universidade de São Paulo (USP) |
dc.contributor.author.fl_str_mv |
Manzoli, Osvaldo L. Venturini, Wilson S. |
dc.subject.por.fl_str_mv |
Boundary elements Crack Fracture mechanics Strong discontinuity |
topic |
Boundary elements Crack Fracture mechanics Strong discontinuity |
description |
A Boundary Element Method (BEM) formulation to predict the behavior of solids exhibiting displacement (strong) discontinuity is presented. In this formulation, the effects of the displacement jump of a discontinuity interface embedded in an internal cell are reproduced by an equivalent inelastic strain field in the cell. As a consequence, the non-linear BEM integral equations that result from the proposed approach are similar to those of the implicit BEM based on initial strains, so that only small changes in the standard implicit boundary element codes are required to make possible strong discontinuity simulations. Since discontinuity interfaces can be introduced in the interior cell independently of the cell boundaries, the proposed BEM formulation allows for arbitrary discontinuity propagation using a fixed internal cell mesh. A concrete fracture test is analysed to access the performance of the proposed formulation. |
publishDate |
2005 |
dc.date.none.fl_str_mv |
2005-12-01 2022-04-29T08:44:28Z 2022-04-29T08:44:28Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/conferenceObject |
format |
conferenceObject |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
Computational Plasticity: Fundamentals and Applications - Proceedings of the 8th International Conference on Computational Plasticity, COMPLAS VIII, n. PART 1, p. 427-430, 2005. http://hdl.handle.net/11449/231280 2-s2.0-84857170828 |
identifier_str_mv |
Computational Plasticity: Fundamentals and Applications - Proceedings of the 8th International Conference on Computational Plasticity, COMPLAS VIII, n. PART 1, p. 427-430, 2005. 2-s2.0-84857170828 |
url |
http://hdl.handle.net/11449/231280 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Computational Plasticity: Fundamentals and Applications - Proceedings of the 8th International Conference on Computational Plasticity, COMPLAS VIII |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
427-430 |
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_ |
1808128508600254464 |