A variational reduced-order model bridges perturbation and variational fracture approaches to simulate coplanar 3D crack propagation in heterogeneous brittle solids, uncovering size-dependent weakening-to-toughening crossovers driven by depinning instabilities.
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Microseismic observations and modeling at Utah FORGE indicate a tensile hydraulic fracture for cross-linked gel injection but support a possible fluid-induced dilatant shear fracture for slickwater injection.
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Bridging perturbation and variational approaches in brittle fracture
A variational reduced-order model bridges perturbation and variational fracture approaches to simulate coplanar 3D crack propagation in heterogeneous brittle solids, uncovering size-dependent weakening-to-toughening crossovers driven by depinning instabilities.
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Modeling Utah FORGE 2022 EGS Hydraulic Stimulations: Tensile Hydraulic Fractures versus Fluid-Induced Dilatant Shear Ruptures
Microseismic observations and modeling at Utah FORGE indicate a tensile hydraulic fracture for cross-linked gel injection but support a possible fluid-induced dilatant shear fracture for slickwater injection.