A continuous-discontinusous model to simulate crack branching in quasi-brittle failure

Understanding the material failure of quasi-brittle materials, such as concrete, is of vital importance in civil engineering. A continuous-discontinuous model using X-FEM enrichment can be useful when an explicit representation of cracks is required. Besides crack propagation, crack branching can al...

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Detalles Bibliográficos
Autor: Feliu Fabà, Jordi
Tipo de recurso: tesis de maestría
Fecha de publicación:2016
País:España
Institución:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/90299
Acceso en línea:https://hdl.handle.net/2117/90299
Access Level:acceso abierto
Palabra clave:Fracture mechanics
continuous-discontinuous simulation
crack branching
enrichment
eXtended Finite Element Method (X-FEM)
quasi-brittle failure
Mecànica de fractura
Àrees temàtiques de la UPC::Enginyeria civil::Materials i estructures
Descripción
Sumario:Understanding the material failure of quasi-brittle materials, such as concrete, is of vital importance in civil engineering. A continuous-discontinuous model using X-FEM enrichment can be useful when an explicit representation of cracks is required. Besides crack propagation, crack branching can also be modelled by the appropriate X-FEM enrichment. Multiple applications of crack branching simulation can be found, including fracking and dynamic crack propagation.