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Johnson Ha
Johnson Ha
Geomechanica Inc.
Verified email at geomechanica.com
Title
Cited by
Cited by
Year
Understanding progressive rock failure and associated seismicity using ultrasonic tomography and numerical simulation
TM He, Q Zhao, J Ha, K Xia, G Grasselli
Tunnelling and Underground Space Technology 81, 26-34, 2018
512018
Understanding hydraulic fracture mechanisms: From the laboratory to numerical modelling.
A Abdelaziz, J Ha, M Li, E Magsipoc, L Sun, G Grasselli
Advances in Geo-Energy Research 7 (1), 2023
352023
Mapping fracture complexity of fractured shale in laboratory: three-dimensional reconstruction from serial-section images
M Li, E Magsipoc, A Abdelaziz, J Ha, K Peterson, G Grasselli
Rock Mechanics and Rock Engineering 55 (5), 2937-2948, 2022
282022
Unconventional shale hydraulic fracturing under true triaxial laboratory conditions, the value of understanding your reservoir
A Abdelaziz, J Ha, H Abul Khair, M Adams, CP Tan, IH Musa, G Grasselli
SPE Annual Technical Conference and Exhibition?, D011S015R003, 2019
252019
Simulating tunnel support integrity using FEM and FDEM based on laboratory test data
J Ha, BSA Tatone, GM Gaspari, G Grasselli
Tunnelling and Underground Space Technology 111, 103848, 2021
172021
Analysis of thermo-mechanical damage around tunnel and deposition boreholes of an underground nuclear waste disposal facility at the Forsmark site (Sweden) by 3D coupled FDEM …
A Lisjak, O Mahabadi, J Ha, DM Ivars
International Journal of Rock Mechanics and Mining Sciences 171, 105586, 2023
132023
Mapping fracture complexity in hydraulically fractured Montney shale by serial section reconstruction
M Li, E Magsipoc, A Abdelaziz, J Ha, J Guo, K Peterson, G Grasselli
ARMA US Rock Mechanics/Geomechanics Symposium, ARMA-2020-2053, 2020
102020
Analysis of the fracture morphologies from a laboratory hydraulic fracture experiment on Montney shale
E Magsipoc, M Li, A Abdelaziz, J Ha, K Peterson, G Grasselli
ARMA/DGS/SEG International Geomechanics Symposium, ARMA-IGS-20-061, 2020
62020
FDEM modelling of thermo-mechanical wellbore instabilities within shale formations
J Ha, A Lisjak, G Grasselli
ARMA US Rock Mechanics/Geomechanics Symposium, ARMA-2015-421, 2015
62015
Numerical investigation of progressive damage and associated seismicity on a laboratory fault
Q Zhao, N Tisato, A Abdelaziz, J Ha, G Grasselli
International Journal of Rock Mechanics and Mining Sciences 167, 105392, 2023
52023
FDEM tunnel modelling in Georgian Bay shale
J Ha
University of Toronto (Canada), 2017
52017
Fracture Network in a Shale Cube Hydraulically Fractured in the Laboratory
M Li, E Magsipoc, A Abdelaziz, J Ha, K Peterson, G Grasselli
Album of Porous Media: Structure and Dynamics, 45-45, 2023
22023
FDEM tunnel excavation modelling in layered rock
J Ha, G Grasselli
ISRM International Symposium-Asian Rock Mechanics Symposium, ISRM-ARMS10 …, 2018
22018
Three-dimensional FDEM modelling of laboratory tests and tunnels
J Ha, G Grasselli
ARMA US Rock Mechanics/Geomechanics Symposium, ARMA-2018-876, 2018
22018
Simulating tunnel behaviour in interbedded shale and limestone using FDEM
J Ha, G Grasselli, K Peterson, BSA Tatone, A Lisjak, OK Mahabadi, ...
Tunnelling Association of Canada Conference, 2016
22016
Influence of unloading-induced brittle damage on laboratory properties and behavior of hard rocks: Insights from the hybrid Finite-Discrete Element Method (FDEM)
F Amiri, N Bahrani, A Lisjak, O Mahabadi, J Ha, Y Li
Computers and Geotechnics 176, 106766, 2024
12024
Enhancement of an FDEM-based geomechanical simulation software with hybrid FEM-FDEM and elasto-plastic modeling capabilities: Application to slope stability analysis
A Lisjak, L He, J Ha, BSA Tatone, OK Mahabadi
ARMA US Rock Mechanics/Geomechanics Symposium, D021S001R001, 2024
12024
Numerical prediction of thermo-mechanical spalling around a deep nuclear waste repository in crystalline rock
A Lisjak, O Mahabadi, J Ha, DM Ivars
ARMA US Rock Mechanics/Geomechanics Symposium, D031S035R001, 2024
12024
Novel Sub-core Extraction Method Using CNC Milling for Water-Sensitive and Fragile Rock
A Abdelaziz, J Ha, G Grasselli
Rock Mechanics and Rock Engineering, 1-7, 2024
12024
Capturing unloading-induced damage using the finite-discrete element method
F Amiri, N Bahrani, A Lisjak, O Mahabadi, J Ha
New Challenges in Rock Mechanics and Rock Engineering, 363-368, 2024
2024
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