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Keywords: geometry
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Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0068
...-resolution (3.43 μm) X-ray computed tomography (CT). We quantitatively characterize the geometry of the wormholes leading to pore networks regarding their diameters, and quantities. This 3D cross-scale characterization allows for an accurate depiction of the interactions between wormholes and pore networks...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0044
.... The procedure begins with sonar surveys and a corrective process is undertaken to make the resulting geometries suitable for meshing. Oftentimes the sonar surveys have irregularities, not to mention excessive detail which makes meshing cumbersome and time-consuming. Solution mines used for waste disposal...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1022
... in implementing the megablock testing program such as optimal sensor placement, expected weak areas, and monitoring areas for deformation. geologist artificial intelligence geometry geology reservoir geomechanics calibration hydraulic fracturing geological subdiscipline fracture reservoir...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1145
... limitations when applied to complex sand body geometries in practice. In this work, we try to construct a method to find the optimal parameters for arbitrarily shaped sand. First, a surrogate model for fracture geometry prediction based on numerical simulation results is built using a deep neural network (DNN...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1187
... cavern us rock mechanic geomechanics symposium deformation node integrity geometry algorithm cement sheath vertical displacement petroleum engineer cavern geometry dissolution johnson dissolution cavity ARMA 24 1187 Numerical analysis of dissolution process on the casing design integrity...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1195
... efficiency. However, such simplifications might significantly impact the outcome of the analysis related to estimating the potential for fault activation and seismic magnitude. Thus, this paper focuses on the evaluation of injection-induced rupture and seismicity in faults of complex geometry. In this paper...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1194
... to extend the fracture and increase its aperture. We study geometry of a fracture where a one-layer single fracture model is present to assess how fractures propagate. We use UDEC™, to model a 2D domain, and our results offer better understandings of fracture geometry. We then provide a probabilistic model...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1235
... remains a challenge that requires taking fault finite size and network geometry into account. Quake-DFN, an open-source earthquake simulator, was developed to address this challenge. It allows simulating sequences of earthquakes in a 3-D Discrete Fault Network governed by rate and state friction...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0258
... responses. On one hand, the Finite Element Method (FEM) is widely used due to its flexibility and generality, in particular the natural capability of working with realistic geometries. Alternatively, idealised axisymmetric analytic models (often limited to two dimensions) have been studied by multiple...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0209
... is similar to actual wellbore geometries (hollow concentric cylindrical geometry). This makes the model more applicable to practical cases. 1. INTRODUCTION The main goal of cementing is to provide reliable zonal isolation throughout the life of a well. The integral of cement protects the casing...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0284
... directly by modelling fluid-solid interactions, but they are typically impractical at the spillway scale due to prohibitively large computational requirements (Gardner, 2023; Gardner & Sitar, 2019; Teng et al., 2023). Existing numerical models used in practice generally simplify the geometry to two...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0251
... formulation granite slab burgoyne geologist mechanism computation geometry reproduce rock mechanic ARMA 24 251 Physical models of dry masonry retaining walls Alejano, L.R. and Pérez-Rey, I. CINTECX, University of Vigo, Dept. Natural Resources and Environmental Engineering, Vigo, Spain Muñiz...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0305
... and validate the impact of an eccentric casing geometry. This outcome is significant for enhancing cement system design and optimizing wellbore operational strategies, including applications like hydraulic fracturing and enhanced oil recovery processes. 1. INTRODUCTION The main goal of cementing...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0296
... modeling geometry rock fragmentation blasting finer fragmentation firing blasthole proc australia production blast fragmentation dare-bryan experiment ARMA 24 296 Numerical Modeling to Investigate the Influence of Jointing on Production Blast Fragmentation Dare-Bryan, P.C. Orica, Perth...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0545
... characterization precursory rockfall rockfall longar walton geologist geological subdiscipline lateral confinement geometry reservoir geomechanics influence displacement landslide monitoring geology rockfall plane boundary vilaplana mudstone stability modeling iteration ARMA 24 545...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0522
... using a hybrid finite/discrete element compute engine coupled with a non-ideal detonation model. The model geometries take into consideration the uneven distribution of explosives within each blast due to the fan-shaped rings of blast holes, and the complex environment of blasting into broken ground...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0621
... microstructure geometry modelling exploration resource engineering loading contraction ARMA 24 0621 3DEC Modelling Exploration of Residual Stress Mechanisms Trzop, M. Dalhousie University, Department of Civil and Resource Engineering, Halifax, Nova Scotia, Canada Corkum, A.G. Dalhousie University...

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