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We propose a novel approach for flow simulations in fractured porous media based on an equi-dimensional representation of the fractures and a standard continuous finite element (FE) method. We employ an adaptive mesh refinement strategy to automatically adjust an initial regular mesh to any fracture distribution with a desired accuracy. The proposed approach is easily implementable in any FE software, does not involve the coupling of different discretizations, and provides symmetric and positive definite stiffness matrices. We provide a systematic validation of our method and we show that it can be used to simulate fluid flow for fracture networks of realistic complexity.
Published on 10/03/21
Submitted on 10/03/21
Volume 800 - Uncertainty Quantification, Reliability and Error Estimation, 2021
DOI: 10.23967/wccm-eccomas.2020.090
Licence: CC BY-NC-SA license
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