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November 15, 2025Fractal and FractionalOpen Access

Permeability Prediction Model of Fractal Rough Fractures Under Coupled Shear and Normal Stress

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Authors

XHXiaotian HaoLWLizhou WuJYJuan Yang

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Overview

Hydro-mechanical model predicts variability in fracture permeability based on surface roughness and fluid flow patterns.

Key Points

  • The study aims to develop a predictive model for fracture permeability under various stress conditions and shear displacement.
  • Developed a hydro-mechanical coupling model to explore fracture behavior under stress.
  • Assessed the effect of normal stress and shear displacement on mechanical aperture and flow patterns.
  • Analyzed variability in aperture distribution influenced by surface roughness.
  • Normal stress significantly reduced mechanical aperture by 61% to 65% between 2 MPa and 8 MPa.
  • Shear displacement increased the maximum aperture by 23-38%, showing increased variability.
  • Predictive model validated against data confirmed effectiveness in evaluating fracture permeability.

Cite This Study

Hao et al. (2025) studied this question.

synapsesocial.com/papers/69251994c0ce034ddc353875https://doi.org/10.3390/fractalfract9110739
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