Closed-form solution for two collinear mode-III cracks in an orthotropic elastic strip of finite width

摘要

The problem of an orthotropic strip containing two collinear cracks normal to the strip boundaries is considered. The Fourier series method is used to reduce the associated boundary value problem to triple series equations, then to a singular integral equation, which can be solved analytically. Under remote uniform antiplane shear loading, the stress field and the crack sliding displacement are determined analytically and stress intensity factors are also given in a closed form. (C) 2003 Elsevier Science Ltd. All rights reserved. [References: 10]