Author(s)

J.M. Franco-Nava & A. El-Zafrany

Abstract

In this paper a hyper-singular boundary element method (HBEM) for elastic fracture mechanics analysis with large deformation is presented. The non-linear formulation incorporates the displacement and the traction boundary integral equations as well as finite deformation stress measures. Efficient regularization techniques are applied to the corresponding singular terms in displacement, displacement derivatives and traction boundary integral equations, according to the degree of singularity of the kernel functions. Fracture measures are evaluated at each load increment. Several case studies with different boundary and loading conditions have been analysed. It has been shown that the new singularity removal technique and the non-linear formulation lead to accurate solutio

Keywords