Saksala, Timo, and Reijo Kouhia. “A Damage-Plasticity Model for Brittle Materials Based on an Approximation of Rankine Type of Failure Criterion ”. Rakenteiden Mekaniikka 56, no. 4 (December 29, 2023): 136–145. Accessed November 16, 2025. https://rakenteidenmekaniikka.journal.fi/article/view/137249.