... environmental science 833 reservoir simulator iteration reservoir geomechanics practice iop publishing iop conf italy government implementation saturation geological subdiscipline rock engineering coupling reservoir characterization compressibility boundary Mechanics and Rock Engineering, from...

... boundary limitation Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP Conf. Series: Earth and Environmental Science 833 (2021) 012136 doi:10.1088/1755-1315/833/1/012136 An approach to estimate coal pillar strength A S Sharipov and A C Adoko School of Mining & Geosciences...

... inactive reserves were scientifically substantiated. The boundaries of maximal development of underground mining were determined. The stability of overlying rocks and open pit walls is maintained by forming an advance of overlying sublevels relative underlying ones under 45° angle and providing...

.... upstream oil & gas maximum stress boundary ore body reservoir characterization modeling mining method eurock 2020 rock mass stress state metals & mining zhdanovskoe deposit stress state numerical geomechanical model reservoir geomechanics geomechanical model underground mining...

... ). Discontinuity related computations DEM, DDA and FEM can directly use this mathematically proven algorithm. convex entrance block entrance block dimensional block boundary polygon contact vector convex solid angle vector round corner convex solid angle eurock 2020 convex block entrance surface...

... mining reaches the rock mass under the open-pit. This conclusion suggests that the protecting pillars' boundaries can be revised for the purpose of the further decrease. This will increase volume of reserves mined and efficiency of underground mining. 1. Introduction The Niorkpahk and Oleniy Ruchey...

.... social responsibility isotherm boundary renewable energy borehole oosterbaan granite underground thermal energy storage sustainability Helsinki conductivity storage sustainable development thermal conductivity University water store Simulation thermal property procedia engineering 191...

... ABSTRACT: This paper attempts to provide a theoretical framework for the determination of the stress state induced in a hollow cylinder (ring) under Hertzian compressions on its outer boundary. The solution is obtained using Airy stress functions, Michell-Fourier series expansions and Fourier...

... investigation Plaster hydraulic fracturing simulation result hole diameter BPM numerical model ahsc Simulation diameter boundary cavity fracture axial stress initiation shear crack granite compression ABSTRACT: In this paper, a numerical investigation is performed for the size and stress...

... the code to its boundaries, making thus an ideal application to test and benchmark the implementation. knowledge management steady state Upstream Oil & Gas flow in porous media Engineering gallery Netherlands canister radioactive waste storage application fully-coupled thermo-hydro...

... Upstream Oil & Gas structural geology transition zone relaxation salt dome temperature anomaly field stress boundary perturbation Pore Pressure Perturbation Reservoir Characterization Simulation differential stress exploration geomecon gmbh sediment salt structure...

... finite difference time domain (FDTD) calculation. In a subsequent thermo-mechanical finite element (FE) simulation the stresses generated by 15 s heating with 25 kW are obtained. High stresses on the boundaries of the microwave absorbing phase exceeding the tensile strength are observed. Finally...

... fluid modeling equation of state Disposal waste management hydraulic fracturing Martin Reservoir Characterization Upstream Oil & Gas reservoir geomechanics fracture aperture indurated claystone proceedings excavation EDZ Switzerland reduction microtunnel Lisjak boundary...

... strength axial force cable bolt performance numerical model structural geology equilibrium boundary excavation UDEC Upstream Oil & Gas model 2 block size rock mass Strain Capacity utilisation deformation reservoir geomechanics model 1 borehole jointed rock mass support system...

... emission creep constitutive model Abel dashpot fractional derivative approach Rock mechanics ae-based fractional derivative model ae-based fractional derivative approach bedded salt rock unsteady creep dashpot constitutive model boundary salt rock Zhou ABSTRACT: Energy storage and CO2...

.... Upstream Oil & Gas diversion tunnel concrete lining kPa tunnel new lining right bank structural interface peak residual peak Reservoir Characterization tailrace tunnel characteristic cofferdam rogun dam stress analysis boundary new concrete lining left bank lining rock mass...

... displacement numerical simulation boundary tunnel lining reservoir simulation shell theory lining poling-board method cylindrical shell shear stiffness mountain tunnel lining normal stiffness vibration tunnel Upstream Oil & Gas natural frequency concrete-rock interface rock...

... and pure slip boundary condition A.Z. Lu, N. Zhang, H.Y. Chen & Y. Qin Institute of Hydroelectric and Geotechnical Engineering, North China Electric Power University, Beijing, China L.Q. Zhang Key Laboratory of Engineering Geomechanics, Institute of Geology and Geophysics, Chinese Academy of Sciences...

.... The fluid flow governed by Navier-Stokes (N-S) equation and particle movement were solved by finite difference method and DEM, respectively. The interaction between fluid and par- ticles was evaluated using immersed boundary (IB) method. In the simulations, to investigate the effect of surface roughness...

.... The numerical solution and closed-form solution are obtained for plastic softening and residual zones, respectively. The critical support pressures for the plastic softening and residual zones are investigated. The displacements at the opening boundary, radii of plastic softening and residual zones...