... those issues, a novel stimulation, radial borehole fracturing has been proposed. To have a clear understanding of the radial borehole fracturing performance, a 3D Finite-Discrete Element Method model of radial borehole fracturing is established in this paper. Then, the applicability of the HM coupled...

... ABSTRACT In this paper, we propose a new simulation method based on peridynamic for quasi-static fracture propagation in isotropic and transverse isotropic rocks. The new method is based on coupled peridynamic least square minimization and finite element method (PDLSM-FEM). The original...

... government radial borehole propagation behavior experiment morphology azimuth simulation horizontal in-situ stress in-situ stress fracture propagation behavior deflection angle element method hot dry rock fracture network ARMA 23 0398 Numerical analysis of fracture propagation behavior in hot...

... fracture aperture tortuosity coupling hot dry rock thermal stress rock temperature fracture tortuosity propagation element method different initial rock temperature ARMA 23 555 Numerical Simulation of Hydraulic Fracturing of Hot Dry Rock Based on Coupled THM Model Zixiao Xie, Zhongwei Huang...

... ABSTRACT Considering the low computational efficiency and accuracy of peridynamics (PD), a concurrent multiscale method coupling PD and finite element method (FEM) is proposed for modeling crack propagation of brittle rock under compressive load. In the coupling method, the fracture behavior...

... propagation zipper intermediate well fengnan 4 fracture hydraulic fracture adjacent well horizontal well technology condition evolution law propagation well area pressure distribution element method ARMA 23 155 Study on evolution law of pore pressure around well under different fracturing...

... transport property element method international journal chen zhang ARMA 23 0225 Energized fracturing with CO2: A numerical simulation of the effects of thermodynamic properties of CO2 Feng Xiao Department of Civil Engineering, Monash University, Melbourne, Victoria, Australia Saeed Salimzadeh...

... element method rock cutting analytical method contact force upstream oil & gas simulation brittle rock yang li numerical model bit selection single pdc cutter bit design international journal criterion finite-discrete element external edge pdc cutter interaction rock domain...

..., the analytical model predicts the induced stresses which can lead to fracture creation, while the numerical tool is used to model the propagation of these fractures. A modified discrete element method (MDEM) is used in the numerical simulations. The results show that the fracture creation and propagation...

... ABSTRACT: Material heterogeneity is commonplace in rock masses, and thus it is vital to investigate its influence on hydraulic fracture propagation in tight reservoir rocks. Here, based on the combined finite-discrete element method, two series of models with uniformly-distributed and Weibull...

... velocity increase time history solid block particle bed upstream oil & gas simulation acoustic signature net force artificial intelligence reservoir characterization vorticity element method inlet velocity particle inlet velocity increase application munjiza equation...

...-syntax programming languages where details of implementation are not explicitly shown or commercial simulators that often lack the flexibility for implementing new ideas. We use the recently developed Virtual Element Method (VEM) and solve contact problems that allow fractures to dynamically interact...

.... The solid model uses the Finite Element Method (FEM) with cohesive zone element. The validation was carried by comparison with analytical solution and experiment results. Then, fracturing performance of different capillary force were analyzed. The simulation results show that capillary force has significant...

... and a simplified analytical model is presented to simulate the natural fractures' stress-sensitive effects on production. machine learning complex reservoir flow in porous media Fluid Dynamics Simulation modeling natural fracture hydraulic fracturing element method calculation Artificial...

.... The microstructure model is solved with the FEMDEM. The capacity of the proposed model in simulating microscale failure of sandstone is well proved in numerical cases. Artificial Intelligence reservoir simulation Wellbore Design spatial reasoning element method Rock mechanics Upstream Oil & Gas...

... processes. These failure mechanisms are typically a result of nucleation, interaction and coalescence of micro-cracks present throughout the sample. In this study, the Finite-Discrete Element Method (FDEM), which merges the finite element-based analysis of continua with discrete element based transient...

... ABSTRACT: Source ground vibration in fault blocks of granular fault with respect to stick-slips is important to understand the dynamic behavior of sheared granular fault system. Here, a two-dimensional implementation of the combined finite-discrete element method (FDEM), which merges...

... ABSTRACT ABSTRACT: Sheared granular layers undergoing stick-slip behavior are broadly employed to study the physics of earthquakes. Here, a two-dimensional implementation of the combined finite-discrete element method (FDEM) is used to explicitly simulate a sheared granular fault system...

... mechanics fracture energy grain-based model Microstructure element method rock microstructure compression test particle growth 1. INTRODUCTION Being the main component of the Earth's crust, rock is heavily involved in human engineering activity. Rock is a crude combination of different mineral...

..., the extended finite element method (XFEM) and traditional finite element method (FEM) techniques are employed to study the behavior of a single crack initiation subjected to a tensile loading in pure mechanical (M), hydro-mechanical (HM) and thermo-mechanical (TM) conditions. For this purpose, water...