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G. Grasselli
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Proceedings Papers

Numerical Investigation of the Influence of Bedding Plane Thickness and Friction on Cracking Pattern and Mechanical Behavior of Shale Under Unconfined Loading Condition Using the Finite-Discrete Element Method (FDEM)

S. M. H. Seyed Ghafouri, K. R. Aboayanah, A. Abdelaziz, G. Grasselli
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0310
DOI: https://doi.org/10.56952/ARMA-2022-0310
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View Paper titled, Numerical Investigation of the Influence of Bedding Plane Thickness and Friction on Cracking Pattern and Mechanical Behavior of Shale Under Unconfined Loading Condition Using the Finite-Discrete Element Method (FDEM)
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Proceedings Papers

Simulating the Excavation Damaged Zone of A Supported Deep Geological Repository Using FDEM

J. Ha, G. Grasselli
Paper presented at the 54th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2020
Paper Number: ARMA-2020-1366
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View Paper titled, Simulating the Excavation Damaged Zone of A Supported Deep Geological Repository Using FDEM
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Proceedings Papers

Describing the Fracture Process Using Surface Roughness Parameters

E. Magsipoc, G. Grasselli
Paper presented at the 54th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2020
Paper Number: ARMA-2020-1463
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View Paper titled, Describing the Fracture Process Using Surface Roughness Parameters
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Proceedings Papers

Three-Dimensional FDEM Modelling of Laboratory Tests and Tunnels

J. Ha, G. Grasselli
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-876
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View Paper titled, Three-Dimensional FDEM Modelling of Laboratory Tests and Tunnels
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Proceedings Papers

Micromechanical Characterization of the Lower Triassic Montney Claraia Biostrome

Y. Qiu, K. Peterson, G. Grasselli, T. Moslow, M. Adams
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-877
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View Paper titled, Micromechanical Characterization of the Lower Triassic Montney Claraia Biostrome
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Proceedings Papers

Investigating Frictional Behavior of Micro-Cracks Using Grain Based Modelling in the Combined Finite-Discrete Element Method (FDEM)

A. Abdelaziz, G. Grasselli
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-878
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View Paper titled, Investigating Frictional Behavior of Micro-Cracks Using Grain Based Modelling in the Combined Finite-Discrete Element Method (FDEM)
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Proceedings Papers

Dilation of Rock Joints Based on Quantified Surface Description: Ultimate Dilation

H. Zhou, G. Grasselli
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1169
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View Paper titled, Dilation of Rock Joints Based on Quantified Surface Description: Ultimate Dilation
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Proceedings Papers

Rotary Shear Test Under X-Ray Micro-Computed Tomography

Q. Zhao, N. Tisato, G. Grasselli
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1167
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View Paper titled, Rotary Shear Test Under X-Ray Micro-Computed Tomography
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Proceedings Papers

Development of a Fully-Coupled, Hydro-Mechanical Model for Finite-Discrete Element Simulations of Fluid-driven Fracturing

A. Lisjak, B. S. A. Tatone, P. Kaifosh, L. He, O. K. Mahabadi, G. Grasselli
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-439
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View Paper titled, Development of a Fully-Coupled, Hydro-Mechanical Model for Finite-Discrete Element Simulations of Fluid-driven Fracturing
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Proceedings Papers

Development of a New Fully-Parallel Finite-Discrete Element Code: Irazu

O. K. Mahabadi, A. Lisjak, L. He, B. S. A. Tatone, P. Kaifosh, G. Grasselli
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-516
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View Paper titled, Development of a New Fully-Parallel Finite-Discrete Element Code: Irazu
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Proceedings Papers

A Combined Experimental (Micro-CT) and Numerical (FDEM) Methodology to Study Rock Joint Asperities Subjected to Direct Shear

B. S. A. Tatone, G. Grasselli
Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-304
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View Paper titled, A Combined Experimental (Micro-CT) and Numerical (FDEM) Methodology to Study Rock Joint Asperities Subjected to Direct Shear
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Proceedings Papers

FDEM Modelling of Thermo-Mechanical Wellbore Instabilities within Shale Formations

J. Ha, A. Lisjak, G. Grasselli
Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-421
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View Paper titled, FDEM Modelling of Thermo-Mechanical Wellbore Instabilities within Shale Formations
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Proceedings Papers

Modeling Direct Shear Tests With FEM/DEM: Investigation of Discontinuity Shear Strength Scale Effect As an Emergent Characteristic

B.S.A. Tatone, G. Grasselli
Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-651
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View Paper titled, Modeling Direct Shear Tests With FEM/DEM: Investigation of Discontinuity Shear Strength Scale Effect As an Emergent Characteristic
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Proceedings Papers

Modeling of the Strength And Deformation Anisotropy of an Argillaceous Rock (Opalinus Clay) At the Laboratory-scale

A. Lisjak, B.S.A. Tatone, G. Grasselli, T. Vietor
Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-663
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View Paper titled, Modeling of the Strength And Deformation Anisotropy of an Argillaceous Rock (Opalinus Clay) At the Laboratory-scale
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Proceedings Papers

Characterization of the parameters that govern the peak shear strength rock joints

G. Grasselli, P. Egger, J. Wirth, D. Hopkins
Paper presented at the DC Rocks 2001, The 38th U.S. Symposium on Rock Mechanics (USRMS), July 7–10, 2001
Paper Number: ARMA-01-0817
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View Paper titled, Characterization of the parameters that govern the peak shear strength rock joints
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