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Numerical Modeling of Hydraulic Fracture Propagation Using Extended Finite Element Method
In this paper, the extended finite element method is investigating for the solution of the plane strain problem of a hydraulic fracture propagating in an impermeable elastic medium. This proposed method is based on an integration of a standard displacement-based approximation near a crack, a field of displacement discontinuity, and a partition of unity method for the near-crack front asymptotic fields. Therefore, this technique can effectively avoid remeshing by using the mesh to represent independently the entire fracture when modeling fracture growth, and the angle of the fracture propagation is determined by the Griffith's criterion at each time step. With the model of hydraulic fracture propagation, a hypothetic numerical experiment is conducted. Results demonstrate that XFEM is an efficient tool to simulate the hydraulic fracture propagation.
Numerical Modeling of Hydraulic Fracture Propagation Using Extended Finite Element Method
In this paper, the extended finite element method is investigating for the solution of the plane strain problem of a hydraulic fracture propagating in an impermeable elastic medium. This proposed method is based on an integration of a standard displacement-based approximation near a crack, a field of displacement discontinuity, and a partition of unity method for the near-crack front asymptotic fields. Therefore, this technique can effectively avoid remeshing by using the mesh to represent independently the entire fracture when modeling fracture growth, and the angle of the fracture propagation is determined by the Griffith's criterion at each time step. With the model of hydraulic fracture propagation, a hypothetic numerical experiment is conducted. Results demonstrate that XFEM is an efficient tool to simulate the hydraulic fracture propagation.
Numerical Modeling of Hydraulic Fracture Propagation Using Extended Finite Element Method
Ru, Z. L. (author) / Zhao, H. B. (author) / Wang, M. (author)
Fifth Biot Conference on Poromechanics ; 2013 ; Vienna, Austria
Poromechanics V ; 1923-1929
2013-06-18
Conference paper
Electronic Resource
English
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