A 2D dual-scale method to address contact problems
A seamless 2D dual-scale computational scheme is developed to study contact problems. The model consists of an atomistic domain close to the contact, coupled with an elastic continuum domain away from the contact. The atomistic formulation provides a description of the contact interaction through in...
| Autores: | , , |
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| Tipo de documento: | artigo |
| Data de publicação: | 2022 |
| País: | España |
| Recursos: | Universitat Politècnica de Catalunya (UPC) |
| Repositório: | UPCommons. Portal del coneixement obert de la UPC |
| Idioma: | inglês |
| OAI Identifier: | oai:upcommons.upc.edu:2117/365515 |
| Acesso em linha: | https://hdl.handle.net/2117/365515 https://dx.doi.org/10.1016/j.triboint.2022.107509 |
| Access Level: | Acceso aberto |
| Palavra-chave: | Friction Contact mechanics Multiscale modeling Indentation Fricció Mecànica de contacte Modelització multiescala Àrees temàtiques de la UPC::Enginyeria mecànica |
| Resumo: | A seamless 2D dual-scale computational scheme is developed to study contact problems. The model consists of an atomistic domain close to the contact, coupled with an elastic continuum domain away from the contact. The atomistic formulation provides a description of the contact interaction through interatomic potentials and permits to capture atomic wear and defect formation in the contact region. The fields in the continuum domain are calculated by an efficient FFT-based Green’s function method. The novel scheme is validated against full atomistic simulations and applied to study the effect of adhesion on the scratching of a rough copper surface by a rigid smooth spherical tip. |
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