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首页> 外文期刊>Zeitschrift fur Angewandte Mathematik und Mechanik >Fundamental solutions and frictionless contact problem in a semi-infinite space of 2D hexagonal piezoelectric QCs
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Fundamental solutions and frictionless contact problem in a semi-infinite space of 2D hexagonal piezoelectric QCs

机译:在2D六边形压电QCS的半无限空间中的基本解决方案和无摩擦接触问题

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摘要

General solutions for the semi-infinite space of two-dimensional (2D) piezoelectric quasicrystals (QCs) are acquired by means of the potential theory method and the generalized Almansi's theorem. Then based on the fundamental solutions of the concentrated loadings case, the frictionless contact problem in a semi-infinite of 2D hexagonal piezoelectric QCs is addressed by using the superposition principle and potential theory. Analytic solutions of fields quantities in terms of elementary functions for the phonon field, phason field and electric field are obtained under three different rigid indenters (flat-ended cylindrical, conical and spherical), which are convenient for numerical analysis. Numerical examples are given to display the relationship between the contact stiffness and the penetration depth through the change of the curves, and to demonstrate the distribution of the field components under the action of the flat-ended cylindrical.
机译:通过潜在的理论方法和广义的Almansi定理获取二维(2D)压电拟拟型QSISICSTALS(QCS)的半无限空间的一般解。 然后基于集中载荷壳体的基本解决方案,通过使用叠加原理和潜在理论来解决2D六边形压电QCS中半无限的无摩擦接触问题。 在三种不同的刚性压头(扁平端圆柱,圆锥形和球形)下,获得了位于声子场,阶段磁场的基本函数方面的田间数量的分析解。 给出了通过曲线的改变显示接触刚度和穿透深度之间的关系,并在扁平端圆柱的作用下证明场部件的分布。

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