Abstract
We established a three-dimensional (3D) hydraulic fracturing model based on peridynamics and subsequently validated it against an analytical solution. The 3D peridynamics model is based on a stress-based bond breaking criterion and contact-friction constitutive model. Parallel computing is used for this model to improve the computational efficiency. Furthermore, we studied the hydraulic fracture height growth and explored the interaction between the hydraulic fracture and the natural fracture in 3D space. The result shows from the 3D model and the 2D model are significantly different because the 3D model takes into account the fracture propagation in the height direction. Our model is capable of simulating the propagation of 3D hydraulic fractures.
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