反平面弹性反问题的自同构函数方法

IF 0.8
Y. Antipov
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引用次数: 10

摘要

研究了多连通域上反平面弹性的非线性反问题。当周围无限大物体在无限大处受到反平面均匀剪切时,需要确定n个均匀应力夹杂物的轮廓。采用一种圆多重连通域的保角映射方法。通过求解两个分段解析对称自同构函数的Riemann-Hilbert问题,恢复了共形映射。对于与第一类肖特基群相关的区域,发现了一个($3n-4$)参数共形映射族的级数形式表示,从而解决了问题。报道并讨论了两种和三种均匀应力夹杂物的数值结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Method of automorphic functions for an inverse problem of antiplane elasticity
A nonlinear inverse problem of antiplane elasticity for a multiply connected domain is examined. It is required to determine the profile of $n$ uniformly stressed inclusions when the surrounding infinite body is subjected to antiplane uniform shear at infinity. A method of conformal mappings of circular multiply connected domains is employed. The conformal map is recovered by solving consequently two Riemann-Hilbert problems for piecewise analytic symmetric automorphic functions. For domains associated with the first class Schottky groups a series-form representation of a ($3n-4$) parametric family of conformal maps solving the problem is discovered. Numerical results for two and three uniformly stressed inclusions are reported and discussed.
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