Analysis of intergranular crack propagation in brittle polycrystals with a generalized finite element method and a network algorithm

Z. Shabir*, E. Van Der Giessen, C. A. Duarte, A. Simone

*Bijbehorende auteur voor dit werk

OnderzoeksoutputAcademicpeer review

Samenvatting

Two different approaches to intergranular crack propagation in brittle polycrystals are contrasted. Crack paths resulting from a method that allows a detailed description of the stress field within a polycrystal are compared to cracks dictated by topological considerations. In the first approach, a fracture path is determined with a Generalized Finite Element Method for polycrystals considering isotropic elastic grains. In the second approach a fracture path is generated using Dijkstra's shortest path algorithm. This algorithm yields minimum fracture energy crack paths. A series of simulations is performed to assess the influence of the method of analysis on the crack path.

Originele taal-2English
TitelComputational Plasticity X - Fundamentals and Applications
StatusPublished - 2009
Evenement10th International Conference on Computational Plasticity, COMPLAS X - Barcelona, Spain
Duur: 2-sep.-20094-sep.-2009

Publicatie series

NaamComputational Plasticity X - Fundamentals and Applications

Conference

Conference10th International Conference on Computational Plasticity, COMPLAS X
Land/RegioSpain
StadBarcelona
Periode02/09/200904/09/2009

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