Modeling and simulation of phase-ﬁeld fracture
Prof. Thomas WickDec. 16, 2016, 10:15 a.m. MT 327
In this presentation we explain basic modeling of fracture propagation using a phase-ﬁeld technique. The resulting formulation has two unknowns: displacements and a smoothed indicator function. This phase-ﬁeld indicator function is subject to an irreversibility constraint. Based on this model we then discuss all steps to design robust and eﬃcient numerical methods. These algorithmic techniques are substantiated with numerical examples that show current achievements but also highlight open questions.