Nguyen, Vinh Phu, Lian, Haojie, Rabczuk, Timon and Bordas, Stephane Pierre Alain  ORCID: https://orcid.org/0000-0001-8634-7002
2017.
Modelling hydraulic fractures in porous media using flow cohesive interface elements.
Engineering Geology
225
, pp. 68-82.
10.1016/j.enggeo.2017.04.010
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Abstract
This paper revisits the problem of computational modelling of a fluid-driven fracture propagating in a permeable porous medium using zero-thickness flow cohesive interface elements. Both cases of continuous and discontinuous pressure field across the fractures are implemented in a unified formulation. The paper provides computational aspects of hydraulic fracture modelling such as mesh generation, execution time, convergence and numerical integration issues. We show that Newton-Cotes quadrature must be used for quadratic flow cohesive interface elements at least for the presented problems. Our simulations exhibit the so-called intermittent crack tip advancement as recently confirmed in the literature. This paper is addressed to researchers who would like to have a quick working implementation of the zero-thickness flow cohesive interface elements for simulating hydraulic fracturing processes with finite elements.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Schools > Engineering |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Uncontrolled Keywords: | Hydraulic fractures; Finite element method; Flow cohesive interface elements; Porous media |
| Publisher: | Elsevier |
| ISSN: | 0013-7952 |
| Date of Acceptance: | 14 April 2017 |
| Last Modified: | 02 Nov 2022 11:18 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/101539 |
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