Nguyen, Thank Thank, Marek Fassin, Robert Eggersmann, Stefanie Reese, and Stephan Wulfinghoff. “Gradient-Extended Brittle Damage Modeling”. Technische Mechanik - European Journal of Engineering Mechanics 40, no. 1 (March 3, 2020): 53–58. Accessed April 28, 2024. https://journals.ub.ovgu.de/index.php/techmech/article/view/1815.