Experimental evidence for dynamic friction on rock fractures from frequency‐dependent nonlinear hysteresis and harmonic generation
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2017jb014219
Abstract: Frictional properties affect the propagation of high amplitude seismic waves across rock fractures and faults. Laboratory evidence suggests that these properties can be measured in active seismic surveys, potentially offering a route to characterizing friction… read more here.
Keywords: rock fractures; harmonic generation; friction; dynamic friction ... See more keywords
Effect of Shear Direction Change on Shear-Flow-Transport Processes in Single Rough-Walled Rock Fractures
Sign Up to like & getrecommendations! Published in 2020 at "Transport in Porous Media"
DOI: 10.1007/s11242-020-01428-7
Abstract: Understanding the shear-flow-transport processes in rock fractures is one of major concerns for many geo-engineering practices, yet the effect of shear direction change on the flow and transport properties through rough-walled rock fractures has received… read more here.
Keywords: rock fractures; shear direction; transport; transport processes ... See more keywords
Experimental study of flow characteristics in non-mated rock fractures considering 3D definition of fracture surfaces
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Geology"
DOI: 10.1016/j.enggeo.2017.02.005
Abstract: Abstract Three-dimensional (3D) morphology of rock fracture has a great influence on its hydraulic behavior. To experimentally investigate the 3D roughness dependent non-linear flow characteristics in deformable rock fractures, water flow tests through non-mated fractures… read more here.
Keywords: fracture; rock fractures; flow characteristics; equation ... See more keywords
The effects of gravity on rock fractures caused by PDC bits
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-025-25695-w
Abstract: To understand the crack propagation and chip formation mechanism caused by a PDC bit for various gravity values, a numerical study using particle flow code in 2 dimensions (PFC 2D) is performed. The numerical results… read more here.
Keywords: gravity; rock fractures; fractures caused; caused pdc ... See more keywords
On fluid flow regime transition in crossed rough rock fractures
Sign Up to like & getrecommendations! Published in 2025 at "Physics of Fluids"
DOI: 10.1063/5.0250692
Abstract: Understanding the fluid flow behavior in crossed fractures is of great significance to fluid flow through the natural rock fracture system. To investigate the linear and nonlinear regime transitions of the fluid flow in crossed… read more here.
Keywords: rock; rock fractures; fluid flow; regime ... See more keywords
Rough surface heterogeneous influence on rarefied gas flow in single rock fractures
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Applied Physics"
DOI: 10.1063/5.0281390
Abstract: Rarefied gas flow in rock fractures governed by Knudsen flow is employed in residual gas capture and storage. Previous studies mainly adopted the classical theory under the continuum hypothesis to describe the gas flow in… read more here.
Keywords: rarefied gas; influence; rock fractures; gas flow ... See more keywords
Effect of mid-surface undulations on flow behavior in rock fractures: A comparison between three-dimensional and two-dimensional fracture models
Sign Up to like & getrecommendations! Published in 2025 at "Physics of Fluids"
DOI: 10.1063/5.0296039
Abstract: In recent years, fracture network modeling has been extensively used in studying the flow and transport processes in fractured rocks. The fractures in existing fracture network models are usually represented by planar fractures, by ignoring… read more here.
Keywords: surface undulation; surface; rock fractures; mid surface ... See more keywords
Laboratory investigation of nonlinear flow characteristics through natural rock fractures
Sign Up to like & getrecommendations! Published in 2019 at "Quarterly Journal of Engineering Geology and Hydrogeology"
DOI: 10.1144/qjegh2017-142
Abstract: This paper aims to assess the influence of in situ stresses and geometry of the fracture surface on the behaviour of fluid flow through rock fractures. In this regard, fluid flow tests were performed on… read more here.
Keywords: confining pressure; rock fractures; flow; increase ... See more keywords
Numerical Investigation on Hydraulic Properties of Artificial-Splitting Granite Fractures during Normal and Shear Deformations
Sign Up to like & getrecommendations! Published in 2018 at "Geofluids"
DOI: 10.1155/2018/9036028
Abstract: This study explores the effects of normal loading and shearing on hydraulic properties in roughness-walled rock fractures. The geometries of five fractures were measured by the 3D scanning technology. The flow simulation was performed for… read more here.
Keywords: rock fractures; aperture; investigation hydraulic; properties artificial ... See more keywords