Partly cracked xfem interface for intersecting cracks

Asferg, J. L., Belytschko, T., Poulsen, P. N., & Nielsen, L. O. (2006). Partly cracked xfem interface for intersecting cracks. In Fracture of Nano and Engineering Materials and Structures - Proceedings of the 16th European Conference of Fracture (pp. 397–398). Kluwer Academic Publishers. https://doi.org/10.1007/1-4020-4972-2_196