Mathematical Simulation of Hydraulic Fracturing of Shale Strata

Pirayehgar, A.; Dusseault, Maurice B.

doi:10.3997/2214-4609.201600412

Cited by 1 publication

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“…The flow of fluid in rock mass will change the distribution of seepage volume force and change the original stress state of the rock mass. At the same time, the change in the stress state of rock mass will change the geometric characteristics of cracks, such as the opening or closing of cracks [13,14], change of crack roughness [15,16], and so on, cracks will occur at the tip of the crack, new cracks may occur in rock blocks near the crack surface, and the water permeability pressure will affect the stress distribution and stress redistribution of surrounding rocks. Rock mass seepage behavior will change [17][18][19][20].…”

Section: Introductionmentioning

confidence: 99%

A Review of Hydromechanical Coupling Tests, Theoretical and Numerical Analyses in Rock Materials

Zhao

Liu

Lin

et al. 2023

Water

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The hydromechanical coupling behavior of rocks is widely present in the fields of rock mechanics and engineering studies. Analyzing and summarizing the relevant literature, the current status of experimental and coupling theory research on hydromechanical coupling is systematically described, the commonly used numerical simulation methods and their applications are briefly introduced, and the hydromechanical coupling problems in mining engineering, water conservancy, and hydropower engineering, slope engineering, tunneling engineering, and other fields are analyzed. Regarding the current status of studies on the hydromechanical coupling behavior of rocks, the test research aspect needs to further enhance the test studies on the triaxial shear permeability of rock material, and adopt a combination of macroscopic, fine, and microscopic methods to study the hydraulic coupling problems of rock materials from different scales. To couple theory, the traditional concepts are broken through, and new coupling theories and mathematical models are used to explain and solve the relevant practical problems. Meanwhile, the application of interdisciplinary approaches to solving coupling problems in the future is emphasized. In terms of numerical simulation and engineering applications, new large data algorithms are developed to improve the efficiency of simulation calculations. In addition, consideration should be given to the numerical simulation of coupling effects, the coupled rheological effects, and the coupled dynamic properties of rock masses under high-ground stress and high water pressure.

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