Wadzanai is a hydrogeologist with more than five years of experience specializing in hydrogeology, numerical modeling and environmental geosciences.
The main objective of this course is to demonstrate the implementation of numerical modeling and geomechanics simulation in reservoir engineering. The course focuses on the practical applications of numerical modeling for simulation and analysis of geomechanics problems such as wellbore stability, geothermal analysis, flow analysis, and hydraulic fracturing.
Camille has more than ten years of experience specialising in geology, hydrogeology and environmental geosciences. Her background and experience cover a range of geological and hydrogeological projects, including pre-feasibility, feasibility, specialist studies for input into environmental impact assessments and water use license applications.
Caving is applied to increasingly deep, large, strong, and heterogeneous ore bodies. This increases the risk of stranded reserves in overhangs, potential for cave stall and air-blast, infrastructure rehabilitation or loss, and large-scale caving-induced subsidence. Geomechanical analyses are therefore critical to understand and predict:
Itasca simulates mine caveability and subsidence using the continuum program FLAC3D and the discrete element programs 3DEC and PFC to predict the progressive failure and fragmentation of the rock mass from an intact/jointed to a caved material. Both FLAC3D and 3DEC can utilize Itasca’s CaveHoek and Imass material models, whereas both 3DEC and PFC can utilize bonded or free-flowing blocks/particles.
Coupled with Itasca’s deterministic, physics-based code REBOP or the statistical, cellular automata code CAVESIM, the collapse, bulking, and movement of caved rock can be better incorporated. The coupled method captures many important aspects of caveability affecting cave design, such as hang-up formation, material recovery, timing of surface breakthrough or interaction with other lifts, crater development, and surface subsidence.
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