Short cracks and V-notches: Finite Fracture Mechanics vs. Cohesive Crack Model

In recent years, Finite Fracture Mechanics has proven to be an effective tool to estimate the strength of mechanical components, allowing fast strength predictions suitable for preliminary sizing and optimization of structures. In the present paper, we intend to corroborate the Finite Fracture Mecha...

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Bibliographic Details
Published in:Engineering fracture mechanics 2016-12, Vol.168, p.2-12
Main Authors: Cornetti, P., Sapora, A., Carpinteri, A.
Format: Article
Language:English
Subjects:
Cohesion
Cohesive Crack Model
Cracks
Failure load
Finite Fracture Mechanics
Fracture mechanics
Mechanical components
Notches
Optimization
Short cracks
Sizing
V-notches
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Summary:In recent years, Finite Fracture Mechanics has proven to be an effective tool to estimate the strength of mechanical components, allowing fast strength predictions suitable for preliminary sizing and optimization of structures. In the present paper, we intend to corroborate the Finite Fracture Mechanics approach by showing that failure load estimates are very close to the ones provided by the well-established Cohesive Crack Model. To this aim, we consider two classical fracture mechanics problems, i.e. short cracks and V-notches. In the latter case, we believe to be of relevance also the Cohesive Crack Model semi-analytical solution herein provided.
ISSN:0013-7944
1873-7315
DOI:10.1016/j.engfracmech.2015.12.016