K. Y. Wang, M. Dhanasekar, Q. H. Qin, and Y. L. Kang, “Contact analysis using Trefftz and interface finite elements”, CAMES, vol. 13, no. 3, pp. 457–471, Nov. 2022, Accessed: Jan. 12, 2025. [Online]. Available: https://cames3.ippt.pan.pl/index.php/cames/article/view/946