A modification of the phase-field model for mixed mode crack propagation in rock-like materials

By Xue Zhang, Scott W. Sloan, C. Vignes, D. Sheng. 2017

297 citations recorded by the source corpus.

Subfields: Materials Chemistry, Mechanics of Materials

View Paper: https://www.semanticscholar.org/paper/57332447b8e9595fe2bca29fe8635792056541f7

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In Materials Chemistry

In Mechanics of Materials

Citations in the corpus

Coupled phase-field and plasticity modeling of geological materials: From brittle fracture to ductile flow (2018, methodology): “A way to incorporate mode-dependent fracture energies of geomaterials has been suggested by Shen and Stephansson [123], whose main idea has been applied to phase-field modeling very recently [68].”
On penalization in variational phase-field models of brittle fracture (2018, background): “extended to ductile (elasto-plastic) fracture [27, 28, 29, 30, 31, 32, 33], fracture in films [34, 35], shells [36, 37, 38, 39], fracture under thermal loading [40, 41, 42], hydraulic fracture [43, 44, 45, 46, 47, 48], fracture in porous media [49, 50, 51], anisotropic fracture [52, 53, 54, 55, 56, ”
Phase-field modeling of anisotropic brittle fracture including several damage mechanisms (2018, unknown): “In [38], an ad hoc modification of the phase-field formulation was proposed in order to simulate the anisotropy of mixed mode propagation in rocks, however, the generality of the proposed procedure does not seem obvious.”
A mixed-mode phase field fracture model in anisotropic rocks with consistent kinematics (2018, methodology): “[14] phase-field model is similarly energy-based and evidences damage at the external flaw tips, but no shear-induced crack propagation from those tips until after coalescence, which is consistent with our numerical simulations.”
Double-phase-field formulation for mixed-mode fracture in rocks (2020, methodology): “The existing phase-field models for brittle mixed-mode fracture in rocks [27, 28] have commonly incorporated the difference in modes I and II fracture energies by replacing the standard crack driving force with an weighted average of modes I and II crack driving forces based on the F -criterion.”