Menouillard, Thomas, and Ted Belytschko. 2009. “Correction Force for Releasing Crack Tip Element With XFEM and Only Discontinuous Enrichment: How to Smoothly Release the Crack Tip Element With Only Discontinuous Enrichment in XFEM?”. European Journal of Computational Mechanics 18 (5-6):465-83. https://doi.org/10.13052/EJCM.18.465-483.