[HTML][HTML] Challenges associated with numerical back analysis in rock mechanics
Numerical back analysis is a valuable tool available to rock mechanics researchers and
practitioners. Recent studies related to back analysis methods focused primarily on …
practitioners. Recent studies related to back analysis methods focused primarily on …
Development and verification of three-dimensional equivalent discrete fracture network modelling based on the finite element method
The discrete fracture network (DFN) method is essential for estimating the mechanical
properties of naturally fractured rock masses. A three-dimensional (3D) equivalent DFN …
properties of naturally fractured rock masses. A three-dimensional (3D) equivalent DFN …
Study on the effect of cemented natural fractures on hydraulic fracture propagation in volcanic reservoirs
Z Liu, Z Pan, S Li, L Zhang, F Wang, L Han, J Zhang… - Energy, 2022 - Elsevier
Hydraulic fracturing has been widely used in tight reservoir to generate fractures to improve
the conductivity and productivity. However, due to combined effects of volcanism, tectonic …
the conductivity and productivity. However, due to combined effects of volcanism, tectonic …
Cracking behavior of rock containing non-persistent joints with various joints inclinations
Non-persistent joints are commonly observed in the rock mass, and play a significant role in
the stability of rock engineering. A detailed understanding of the cracking process is critical …
the stability of rock engineering. A detailed understanding of the cracking process is critical …
Dynamic tensile behaviours of heterogeneous rocks: the grain scale fracturing characteristics on strength and fragmentation
The dynamic tension behaviours of granites are tested with the split Hopkinson pressure bar
and the quasi-static responses including the compression and Brazilian splitting are carried …
and the quasi-static responses including the compression and Brazilian splitting are carried …
Mesoscopic damage and fracturing of heterogeneous brittle rocks based on three-dimensional polycrystalline discrete element method
Rock heterogeneities often control microcracking on the grain scale and therefore the
mechanical behavior of the rock on the macroscale. We therefore studied the fracture …
mechanical behavior of the rock on the macroscale. We therefore studied the fracture …
Modeling of brittle rock failure considering inter-and intra-grain contact failures
Based on a two-scale tessellation technique in Neper, a 3DEC-GBM modeling approach
considering inter-and intra-grain contact failures is proposed to study brittle rock failure …
considering inter-and intra-grain contact failures is proposed to study brittle rock failure …
A study on Bonded Block Model (BBM) complexity for simulation of laboratory-scale stress-strain behavior in granitic rocks
The emergent macroscopic behaviors of Bonded Block Models (BBM) are governed largely
by the properties assigned to their three components–blocks, contacts and zones (blocks …
by the properties assigned to their three components–blocks, contacts and zones (blocks …
A numerical approach to investigate the effects of rock texture on the damage and crack propagation of a pre-cracked granite
M Saadat, A Taheri - Computers and Geotechnics, 2019 - Elsevier
A grain-based distinct element model (GBM) is used to investigate the influence of grain size
on the fracturing response of pre-cracked granite. A cohesive model is developed and …
on the fracturing response of pre-cracked granite. A cohesive model is developed and …
Mesoscopic time-dependent behavior of rocks based on three-dimensional discrete element grain-based model
A three-dimensional discrete element grain-based stress corrosion model incorporating the
theories of subcritical crack growth and chemical reaction rate was built to explore the time …
theories of subcritical crack growth and chemical reaction rate was built to explore the time …