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Uniform investigation of hydraulic fracturing propagation regimes in the plane strain model
Author(s) -
Bao J.Q.,
Fathi E.,
Ameri S.
Publication year - 2014
Publication title -
international journal for numerical and analytical methods in geomechanics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.419
H-Index - 91
eISSN - 1096-9853
pISSN - 0363-9061
DOI - 10.1002/nag.2320
Subject(s) - mechanics , hydraulic fracturing , dissipation , plane stress , computer simulation , numerical analysis , plane (geometry) , finite element method , geology , geotechnical engineering , mathematics , materials science , structural engineering , engineering , mathematical analysis , physics , geometry , thermodynamics
Summary The hydraulic fracturing propagation regimes in the plane strain model are uniformly investigated using a numerical method based on the finite element method. The regimes range from toughness‐dominated cases to viscosity‐dominated cases, covering zero leak‐off situations and small leak‐off situations. Unlike the asymptotic solutions, the numerical method is independent of the energy dissipation regimes and fluid storage regimes. The numerical method pays no special attention to the fracture tip, and it simulates fracture tip behaviors by increasing the number of functions in a natural and uniform manner. The numerical method is verified by comparing its results with the asymptotic solutions. The effect of the model sizes on the numerical method is discussed along with the robustness of the numerical method. Copyright © 2014 John Wiley & Sons, Ltd.

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