“Elastoplastic Analysis of Plane Structures Using Improved Membrane Finite Element With Rotational DOFs: Elastoplastic Analysis of Plane Structures”. Fracture and Structural Integrity 14, no. 52 (February 6, 2020): 148–162. Accessed October 16, 2026. https://staging.fracturae.com/index.php/fis/article/view/2691.