Numerical Study of Dynamic Crack of 1D Hexagonal and 3D Icosahedral Quasicrystals

Li Ping Du; Xiu Juan Xu; Yi Li Tan

doi:10.4028/www.scientific.net/AMR.734-737.2306

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 734-737Numerical Study of Dynamic Crack of 1D Hexagonal...

Numerical Study of Dynamic Crack of 1D Hexagonal and 3D Icosahedral Quasicrystals

Abstract:

According to a new version of equations of elasodynamics of quasicrystals suggested by Ref, a finite difference method of the anti-plane elastic dynamic equations of 1D hexagonal and 3D icosahedral quasicrystals is developed. Further the dynamic behaviour of the material with a model III crack under impact loading is given.The results show dynamic stress intensity factor of the crack tip, in which the similar and different features with conventional materials are discussed, especially the phonon,phason and phonon-phason coupling effects are explored.

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Periodical:

Advanced Materials Research (Volumes 734-737)

Pages:

2306-2309

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.734-737.2306

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Online since:

August 2013

Authors:

Li Ping Du, Xiu Juan Xu, Yi Li Tan

Keywords:

Anti-Plane Problems, Finite Difference, Phonon, Quasicrystals

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