An extended finite element method for hydraulic fracture problems

In this paper, the extended finite element method (X‐FEM) is investigated for the solution of hydraulic fracture problems. The presence of an internal pressure inside the crack is taken into account. Special tip functions encapsulating tip asymptotics typically encountered in hydraulic fractures are...

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Vydané v:	Communications in numerical methods in engineering Ročník 25; číslo 2; s. 121 - 133
Hlavný autor:	Lecampion, Brice
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Chichester, UK John Wiley & Sons, Ltd 01.02.2009 Wiley
Predmet:	Computational techniques Crystalline rocks Earth sciences Earth, ocean, space Exact sciences and technology extended finite element fluid-driven cracks Fracture mechanics (crack, fatigue, damage...) Fundamental areas of phenomenology (including applications) Geophysics: general, magnetic, electric and thermic methods and properties hydraulic fracturing Igneous and metamorphic rocks petrology, volcanic processes, magmas Internal geophysics Mathematical methods in physics Physics Solid mechanics Structural and continuum mechanics tip asymptotics Internal crack Singularity extended finite element fluid-driven cracks finite element analysis asymptotic approximation Modeling tip asymptotics Crack propagation rupture Fracture toughness hydraulic fracturing viscosity Plane strain Rotation group Unity partition eXtended Finite Element Method Internal pressure
ISSN:	1069-8299, 1099-0887
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