An analytical solution for the orthotropic semi-infinite plane with an arbitrary-shaped hole

Author:

Zhou Yulin1,Lu Aizhong1ORCID,Zhang Ning2ORCID

Affiliation:

1. Institute of Hydroelectric and Geotechnical Engineering, North China Electric Power University, Beijing, China

2. School of Water Resources and Hydropower Engineering, North China Electric Power University, Beijing, China

Abstract

The application of analytical methods to solve the problem of an anisotropic semi-infinite plane with a hole has not been observed thus far. This paper presents an analytical solution for an orthotropic semi-infinite plane with an arbitrary-shaped hole, considering the condition of a uniform stress applied at the hole boundary. First, the shapes of holes on the [Formula: see text]- and [Formula: see text]-planes are determined based on the shape of the hole on the z-plane. Next, the regions outside the holes on these physical planes are mapped to the rings on the [Formula: see text]- and [Formula: see text]-planes, respectively. Therefore, the boundary conditions with [Formula: see text] and [Formula: see text] as independent variables are established. Then, the boundary collocation method is used to solve the stress boundary conditions along the upper boundary and the hole boundary, thereby obtaining two analytical functions for calculating the stress and displacement of the structure. Finally, the correctness of the proposed method is verified by conducting boundary condition checks and comparing the stress and displacement results obtained by the proposed method with those obtained from ANSYS, and further investigates the influence of anisotropic parameters on normal stress and displacement.

Funder

National Natural Science Foundation of China

Publisher

SAGE Publications

Subject

Mechanics of Materials,General Materials Science,General Mathematics

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