Crack Interaction And Interaction Theorem By
The BEM Analysis
Author(s)
Yonglin Xu
Abstract
Crack interactions are analyzed using the Boundary Element Method. The
analytically numerical method is used in the numerical implementation, where
the regular and singular integrals on elements are estimated analytically. For
two-dimensional crack interaction, the closed form of explicit expression for
regular and singular integrals are used. The accuracy of the calculations is high.
An interesting finding for the crack interaction, so-called interaction theorem, is
presented for two-dimensional aligned cracks under tensile loading. The
extension of the theorem are discussed for n aligned cracks and cracks under shear
loading. For three-dimensional crack interaction, the SIFs on crack edges are
simulated as driving forces in an equilibrium system are proposed in the paper.
1. Introduction
With the advances in computer techno
Keywords
Related Book
Other papers in this volume
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