Journal
ACTA MECHANICA SOLIDA SINICA
Volume 32, Issue 2, Pages 249-260Publisher
SPRINGER
DOI: 10.1007/s10338-018-0072-0
Keywords
Elastic inclusion; 1D hexagonal quasicrystal; Hypersingular integral equations
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Funding
- National Natural Science Foundation of China [11172320, 11272341]
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A model of a thin elastic inclusion embedded in an infinite 1D hexagonal quasicrystal is discussed. The atomic arrangements of the matrix and the inclusion are both periodic along the x1-direction and quasiperiodic along the x2-direction in the ox1x2-coordinate system. Using the hypersingular integral equation method, the inclusion problem is reduced to solving a set of hypersingular integral equations. Based on the exact analytical solution of the singular phonon and phason stresses near the inclusion front, a numerical method of the hypersingular integral equation is proposed using the finite-part integral method. Finally, the numerical solutions for the phonon and phason stress intensity factors of some examples are given.
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