Interaction of periodic arrays of wing cracks

Autor: Kari Kolari, Juha Kuutti
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Zdroj: Kuutti, J & Kolari, K 2018, ' Interaction of periodic arrays of wing cracks ', Engineering Fracture Mechanics, vol. 200, pp. 17-30 . https://doi.org/10.1016/j.engfracmech.2018.03.030
ISSN: 0013-7944
Popis: A method for evaluating the interaction of wing cracks in 2-D and 3-D is presented. The method utilizes the assumption that the wing crack can be represented by its extensions and the interaction is solved using a superposition method presented by Kachanov. The method is applied to arrays of parallel initial cracks to determine the critical crack array orientations and assess whether the coalescence of closely-spaced small cracks causing a shear-like failure observed in 2-D is possible in 3-D. The results show that the shear failure can be achieved also in 3-D, but not with such an instability as in 2-D.
Databáze: OpenAIRE