Journal
APPLIED MATHEMATICAL MODELLING
Volume 108, Issue -, Pages 275-293Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.apm.2022.03.030
Keywords
One-dimensional hexagonal quasicrystals; Penny-shaped crack; Half-plane crack; Shear mode; Fundamental solutions
Funding
- National Natural Science Foundation of China [12002273, 12072266 and12172237]
- Fundamental Research Funds for the Central Universities [50 0020 0484]
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This article investigates the penny-shaped and half-plane crack problems in an infinite space of one-dimensional hexagonal quasicrystals. The complete fundamental solutions of the phonon and phason fields are obtained, and important quantities on the crack plane are derived. These fundamental solutions are significant for boundary element analysis and numerical research.
The present article is to investigate the penny-shaped and half-plane crack problems in an infinite space of one-dimensional hexagonal quasicrystals. The cracks are subjected to a pair of anti-symmetrical point shear loads exerted on the crack surfaces. By means of the potential theory method, the governing integral equation is developed and the complete fundamental solutions of the phonon and phason fields are obtained. Moreover, the important quantities on the crack plane, including the crack slip displacement and the stress intensity factor, are derived in terms of elementary functions. The fundamental solutions presented in the article are important to boundary element analysis and may serve as benchmarks for numerical research. (C) 2022 Elsevier Inc. All rights reserved.
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