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Crack arrest through branching at curved weak interfaces: An experimental and numerical study
The phenomenon of arrest of an unstably-growing crack due to a curved weak interface is investigated. The weak interface can produce the deviation of the crack path, trapping the crack at the interface, leading to stable crack growth for certain interface geometries. This evidence&...
A phase field approach enhanced with a cohesive zone model for modeling delamination induced by matrix cracking
The progressive damage analysis of fiber-reinforced composite materials is a challenging task, especially when complicated cracking scenarios arise due to the onset and progression of several damage mechanisms. From a modeling point of view, a particularly complex failure scenario is the int...
In-situ strength effects in long fibre reinforced composites: A micro-mechanical analysis using the phase field approach of fracture
Transverse intralaminar cracks in layers with perpendicular orientation referred to the main loading direction have a significant effect on the apparent ultimate strength of the corresponding composite laminate. This effect stems from the fact that such transverse cracks generally promote the...
A phase field approach for damage propagation in periodic microstructured materials
In the present work, the evolution of damage in periodic composite materials is investigated through a novel finite element-based multiscale computational approach. The proposed methodology is developed by means of the original combination of asymptotic homogenization with the phase field approac...
SPH modelling of hydrodynamic lubrication along rough surfaces
Rough and textured surfaces are of paramount importance for lubrication, both in nature and in technology. While surface roughness relevantly influences both friction and wear, artificial surface texturing improves the performance of slider bearings as an energy efficiency action. The simulation&...
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