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Mostrando ítems 1-10 de 23
Artículo
Locking treatment of penalty-based gradient-enhanced damage formulation for failure of compressible and nearly incompressible hyperelastic materials
(Institute of Electrical and Electronics Engineers, 2023-03)
Soft materials are of major interest for biomechanics applications due to their high deformability and susceptibility to experience damage events under different loading scenarios. The present study is concerned with ...
Artículo
Coupled versus energetic nonlocal failure criteria: A case study on the crack onset from circular holes under biaxial loadings
(Elsevier, 2023-10)
The phenomenon of brittle crack onset stemming from a circular hole in an infinite plate subjected to remote biaxial loading is herein investigated. A thorough analysis on the influence of the loading biaxiality reveals ...
Artículo
A phase-field fracture model for fatigue using locking-free solid shell finite elements: Analysis for homogeneous materials and layered composites
(Elsevier, 2023-10)
A computational framework to model fatigue fracture in structures based on the phase-field method and the solid-shell concept is herein presented. With the aim of achieving a locking free solid-shell finite element formulation ...
Artículo
Efecto de tamaño en laminados cruzados: Estudio de la transición entre escalas de la iniciación de grietas usando un enfoque variacional de la mecánica de la fractura
(Sociedad Española de Integridad Estructural. Grupo español de Fractura, 2021-07)
Este trabajo estudia el fenómeno de agrietamiento transversal en laminados cruzados a partir de la progresión del daño entre escalas. Con este propósito se generaron modelos mesomecánicos de la capa transversal con un ...
Artículo
Revisiting the problem of a crack impinging on an interface: A modeling framework for the interaction between the phase field approach for brittle fracture and the interface cohesive zone model
(Elsevier, 2017-07)
The problem of a crack impinging on an interface has been thoroughly investigated in the last three decades due to its important role in the mechanics and physics of solids. In the current investigation, this problem is ...
Artículo
Modelo de interfase elástica lineal frágil (MIELF) aplicado a problemas tridimensionales con crecimiento de grietas en modo mixto
(Grupo Español de Fractura, 2016-03)
En la actualidad, desde un punto de vista numérico, la mayoría de investigaciones sobre los despegues y/o delaminaciones que aparecen en las interfases se centran en modelos 2D. Para modelar el comportamiento no lineal ...
Artículo
Experimental evaluation of the similarity in the interface fracture energy between PMMA/epoxy/PMMA and PMMA/epoxy joints
(Elsevier, 2022-01)
In this investigation, a comparison of the interface fracture energy in the adhesive joints PMMA/PMMA bonded by epoxy and PMMA/epoxy is presented. The work focuses on the question of how similar is the fracture energy in ...
Artículo
Modeling fracture of multidirectional thin-ply laminates using an anisotropic phase field formulation at the macro-scale
(Elsevier, 2023-06)
An equivalent single layer approach to model fracture events of multidirectional balanced thin-ply laminates via the use of the Phase Field method is explored. The inherent anisotropic nature of a multidirectional laminate ...
Artículo
A multifield coupled thermo-chemo-mechanical theory for the reaction-diffusion modeling in photovoltaics
(Wiley, 2023-03)
A comprehensive coupled thermo-chemo-mechanical modeling framework is proposed in this work to study the reaction-diffusion phenomena taking place inside photovoltaics (PV). When exposed to hygrothermal conditions, ...
Artículo
Modeling complex crack paths in ceramic laminates: A novel variational framework combining the phase field method of fracture and the cohesive zone model
(Elsevier Ltd, 2018-07)
The competition between crack penetration in the layers and cohesive delamination along interfaces is herein investigated in reference to laminate ceramics, with special attention to the occurrence of crack deflection and ...