The Dugdale model for a semi-infinite crack in a strip of two-dimensional decagonal quasicrystals

The problem of a semi-infinite crack in a strip is useful in materials science and engineering. The paper proposes a Dugdale model for the configuration of two-dimensional decagonal quasicrystals. Through the complex variable method, we obtain the exact solution of the problem. The plastic zone and the crack tip opening displacement and the most important physical quantity, stress intensity factor, can be expressed in quite a simple form. (C) 2011 American Institute of Physics. [doi:10.1063/1.3589242]