Fundamental solutions of critical wedge angles for one-dimensional piezoelectric quasicrystal wedge

doi:10.1007/s10483-022-2847-6

Abstract

Abstract: Two problems of a one-dimensional (1D) piezoelectric quasicrystal (QC) wedge are investigated, i. e., the two sides of the wedge subject to uniform tractions and the wedge apex subject to the concentrated force. By virtue of the Stroh formalism and Barnett-Lothe matrices, the analytical expressions of the displacements and stresses are derived, and the generalized solutions for the critical wedge angles are discussed. Numerical examples are given to present the mechanical behaviors of the wedge in each field. The results indicate that the effects of the uniform tractions and the concentrated force on the phonon field displacement are larger than those on the phason field.

Key words: quasicrystal (QC), wedge, piezoelectric effect, critical angle, analytical solution

2010 MSC Number:

Xiang MU, Xiaoyu FU, Liangliang ZHANG, Zhaowei ZHU, Jinming ZHANG, Yang GAO. Fundamental solutions of critical wedge angles for one-dimensional piezoelectric quasicrystal wedge. Applied Mathematics and Mechanics (English Edition), 2022, 43(5): 709-728.

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