Crack Propagation in Elastoplastic Thin-Walled Structures Using Global–Local XFEM Formulation
We present a globally enriched extended finite element method (XFEM) for elastoplastic analysis and fracture of thin-walled beams. The displacement approximation is augmented by (1) global enrichment functions obtained from beam free-vibration modes to capture the dominant bending kinematics on very coarse meshes,...