Crack Tip Enrichment Functions for the XFEM Applied to the Elastic-Plastic Fracture Mechanics Taking Account for the Constraint Effect. GJRE [Internet]. 2025 Apr. 2 [cited 2026 Jun. 5];25(A1):9-27. Available from: https://testing.engineeringresearch.org/index.php/GJRE/article/view/101714