... Journal of Geotechnical Engineering, 23(4):489 493. 296 flow in porous media fissure water pressure seepage-stress coupling coefficient Modeling & Simulation Fluid Dynamics high seepage pressure specimen hydraulic fracturing seepage pressure axial strain seepage permeability...

... information technology services three-dimensional model dangerous rock mass Google SketchUp fracture section smooth curvy mountain model mountain model curvy mountain model Reservoir Characterization Engineering contour SketchUp Modeling & Simulation rendering rock mass...

... seepage boundary linear water head rock mass Modeling & Simulation Fluid Dynamics variation rock permeability flow in porous media water head fractured rock mass mean square deviation 0 permeability tensor permeability characteristic geometric parameter fractured rock boundary fracture...

... software. The research on joint mass has been promoted greatly owing to its fast calculation speed and good operability. Modeling & Simulation mechanics parameter joint plane reservoir geomechanics Upstream Oil & Gas triaxial Reservoir Characterization Wellbore Design simulation...

... rock stratum distinct element method Thickness rock mass tunnel jointed rock stratum shallow-buried large-span unlined tunnel Modeling & Simulation rock stratum stratum stiffness Upstream Oil & Gas recognition method formulae horizontal joint mechanical parameter relation curve...

..., IBSCM and MIB were invented separately by Qiangyong Zhang [11,12], Zhongkui Li [13] and Boli Han [14]. Surely all of them had similar properties in contrast with prototypes. wellbore integrity Reservoir Characterization Engineering reservoir geomechanics Upstream Oil & Gas Modeling...

..., but they often can not identify all the mechanical and hydraulic parameters of rock mass. Modeling & Simulation engineering property Reservoir Characterization hydraulic fracturing hydraulic property engineering property evaluation reservoir geomechanics complex reservoir Rock mechanics...

... is 185m ~200m. Landform of two banks is middle-low mountain whose altitude of crest is 500m, and its hillside gradient is 27°~36°. Reservoir Characterization side wall contour renewable energy cavern roof plane origin Modeling & Simulation cavern powerhouse plane orientation...

..., Shahrour Isam, 2007). The excavation and reinforcement process of rock slope can be simulated conveniently by finite element method with suitable constitutive models of geomaterials. Modeling & Simulation reinforcement simulation result Reservoir Characterization renewable energy mesh...

... Reservoir Characterization lower fault coupling relationship detection temperature field Upstream Oil & Gas anomaly strain field IRR temperature Modeling & Simulation tectonic activity variation Earthquake structural geology rock sample loading strain position fracture...

... = dilatancy angle of rock Subscripts r = radial t = tangential Superscripts e = elastic p =plastic t = total . = increment reservoir geomechanics displacement Modeling & Simulation criterion plastic zone circular tunnel Reservoir Characterization hoek-brown failure criterion radial stress...

... not reveal the essences of discontinuity, such as discontinuity deformability, mechanical characteristics. 2.2 Discontinuity description In practical rock engineering, the discontinuities have various geometrical shape and different thickness as shown in Figure 1. Modeling & Simulation...

... Modeling & Simulation Fluid Dynamics reservoir geomechanics Wellbore Design Thickness wellbore integrity Upstream Oil & Gas ground massif geomechanical model Reservoir Characterization flow in porous media displacement correspond soil strength test massif circular cut...

... (all in degrees). The model configuration is schematically shown in Figure 1. Reservoir Characterization disc cutter simultaneous effect joint orientation Upstream Oil & Gas final failure pattern penetration rate Modeling & Simulation cutter sandstone failure pattern...