Publication List

Alcolea, A., Kuhlmann, U., Marschall, P., Lisjak, A., Grasselli, G., Mahabadi, O. K., Vaissière, R. D. L., Leung, H., & Shao, H. (2017). A pragmatic approach to abstract the excavation damaged zone around tunnels of a geological radioactive waste repository: Application to the HG-A experiment in Mont Terri (Vol. 443). Geological Society of London; Scopus. Cite

Diederichs, M., & Grasselli, G. (2009). Rock engineering in difficult conditions. Cite

Kim, B. H., Kaiser, P. K., & Grasselli, G. (2007). Influence of persistence on behaviour of fractured rock masses (Vol. 284). Scopus. Cite

Grasselli, G., & Kim, B. (2007). Use of 3D digital system for rock mass characterization. Patron. Cite

Grasselli, G., Zhao, Q., Lisjak, A., & Liu, Q. (2013). Numerical simulation of acoustic emission in rocks using FEM/DEM. In Rock Dynamics and Applications – State of the Art (pp. 149–159). CRC Press; Scopus. Cite

Manzella, I., Lisjak, A., Mahabadi, O. K., & Grasselli, G. (2011). Influence of initial block packing on rock avalanche flow and emplacement mechanisms through FEM/DEM simulations. In Pan-Am Canadian Geotechnical Society Geotechnical Conference. Cite

Cottrell, B., Tatone, B. S. A., & Grasselli, G. (2010). Joint replica shear testing and roughness degradation measurement. In Rock Mechanics in Civil and Environmental Engineering (pp. 227–230). CRC Press. Cite

Nasseri, M. H. B., Tatone, B. S. A., Grasselli, G., & Young, R. P. (2009). Fracture Toughness and Fracture Roughness Interrelationship in Thermally treated Westerly Granite. In S. Vinciguerra & Y. Bernabé (Eds.), Rock Physics and Natural Hazards (pp. 801–822). Birkhäuser Basel. Cite

Magsipoc, E., & Grasselli, G. (2020, June 28). Describing the fracture process using surface roughness parameters. 54th U.S. Rock Mechanics / Geomechanics Symposium, Golden, Colorado. Cite

Li, M., Magsipoc, E., Abdelaziz, A., Ha, J., Guo, J., Peterson, K., & Grasselli, G. (2020, June 28). Mapping fracture complexity in hydraulically fractured Montney shale by serial section reconstruction. 54th U.S. Rock Mechanics / Geomechanics Symposium, Golden, Colorado. Cite

Ha, J., & Grasselli, G. (2020, June 28). Simulating the excavation damaged zone of a supported deep geological repository using FDEM. 54th U.S. Rock Mechanics / Geomechanics Symposium, Golden, Colorado. Cite

Fadakar, Y. A., Ha, J., & Grasselli, G. (2020, June 28). Smash – Smart Meshing for realistic geomechanical models of rock slope failure processes. 54th U.S. Rock Mechanics / Geomechanics Symposium, Golden, Colorado. Cite

Sherzer, G. L., Fadakar, Y. A., Zhao, P., Afroughsabet, V., Coutinho, N., Shah, S., Peterson, K., & Grasselli, G. (2020, March 31). Comparison and Linking Between LDPM and FDEM Modeling for Fracturing in Concrete. 15th Pipeline Technology Conference, Berlin, Germany. Cite

Abdelaziz, A., Ha, J., & Grasselli, G. (2020, March 2). Excavation stability in heterogeneous anisotropic shale formation. 36th International Geological Congress, Delhi, India. Cite

Qiu, Y., Adams, M., & Grasselli, G. (2019). Simplified Dark Data Analytics of Everyday Completions Data, and its Relation to Observed Induced Seismicity Events: An Unconventional Big Data Solution. 16. Cite

Abdelaziz, A., Ha, J., Abul Khair, H., Adams, M., Tan, C. P., Musa, I. H., & Grasselli, G. (2019). Unconventional Shale Hydraulic Fracturing Under True Triaxial Laboratory Conditions, the Value of Understanding Your Reservoir. 16. Cite

Zhao, Q., Glaser, S. D., Tisato, N., & Grasselli, G. (2019). Assessing Energy Budget of Laboratory Fault Slip Using Quantitative Micro-CT Image Analysis. 6. Cite

Zhou, H. (2019). Roughness, Shear, and Dilation. Energi Simulation Visit, University of Toronto. Cite

Wang, Y. (2019). Fracture Complexity in CMGL Simulator. Energi Simulation Visit, University of Toronto. Cite

Qiu, Y. (2019). Rock Mechanics Learnings from Completions Data in the Montney Formation. Energi Simulation Visit, University of Toronto. Cite

Magsipoc, E. (2019). Decoding Fracture Roughness. Energi Simulation Visit, University of Toronto. Cite

Ha, J. (2019). Three-dimensional hydraulic fracture simulation. Energi Simulation Visit, University of Toronto. Cite

Grasselli, G. (2019). Advanced numerical modeling in engineering-fdem: A micro-mechanical appproach that bridges across scales. 4th International Conference on Civil, Structural and Transportation Engineering, ICCSTE 2019. Scopus. https://doi.org/10.11159/iccste.1 Cite

Abdelaziz, A. (2019). Fluid-induced Dynamic Fracturing Process – A Laboratory Approach. Energi Simulation Visit, University of Toronto. Cite

Ha, J., & Grasselli, G. (2018, November 29). FDEM Tunnel Excavation Modelling in Layered Rock. 10th Asian Rock Mechanics Symposium The ISRM International Symposium for 2018 (ARMS10), Singapore. Cite

Zhou, H., Abdelaziz, A., & Grasselli, G. (2018). Rock Dilation and Its Effect on Fracture Transmissivity. 6. Cite

Fadakar, Y. A., & Xu, C. (2018, June 20). A New Hybrid Mesh-Pipe Method for Modeling Fluid Flow in 3D Discrete Fracture Networks. DFNE, Seattle. Cite

Fadakar, Y. A., & Elmo, D. (2018, June 20). Application of Graph Theory for Robust and Efficient Rock Bridge Analysis. DFNE, Seattle. Cite

Zhou, H., Zhao, Q., & Grasselli, G. (2018). Dilation of rock joints based on quantified surface description. Geoconvention, Calgary. Cite

Zhou, H., Zhong, J., Rodriguez-Pradilla, G., Wilson, L., & Tran, L. (2018). Hydraulic Fracturing in Canada. University of Calgary CREATE ReDeveLoP Annual Innovation Program, April 30 – May 4, 2018, Calgary, Alberta. Cite

Zhou, H., & Grasselli, G. (2018). Dilation of rock joints based on quantified surface description. 52nd U.S. Rock Mechanics/Geomechanics Symposium, Seattle. Cite

Zhao, Q., Tisato, N., & Grasselli, G. (2018). Rotary shear test under X-ray micro-computed tomography. 52nd U.S. Rock Mechanics/Geomechanics Symposium, Seattle. Cite

Zhao, Q., & Grasselli, G. (2018). Understanding shear behaviour of a rough joint using surface topography scan and numerical simulation. Geoconvention, Calgary. Cite

Zhang, J., Wang, Y., McKean, S., Jia, S., & Iranmanesh, S. (2018). Induced Seismicity and the Traffic Light System. University of Calgary CREATE ReDeveLoP Annual Innovation Program, April 30 – May 4, 2018, Calgary, Alberta. Cite

Qiu, Y., Peterson, K., Grasselli, G., Moslow, T., & Adams, M. (2018). Micromechanical characterization of the lower Triassic Montney Claraia biostrome. 52nd U.S. Rock Mechanics/Geomechanics Symposium, Seattle. Cite

Qiu, Y., Abdelaziz, A., Peterson, K., & Grasselli, G. (2018). Modelling of concrete weight coating based on micromechanical characterization. RILEMweek/CONMOD, Delft Netherlands. Cite

Magsipoc, E., Yang, Z., Hui, G., Lim, M., & Becerra, D. (2018). Managing Orphan Wells in Alberta, Canada. University of Calgary CREATE ReDeveLoP Annual Innovation Program, April 30 – May 4, 2018, Calgary, Alberta. Cite

Magsipoc, E., & Grasselli, G. (2018). Simulation of rock fragmentation by TBM disc cutter using the hybrid finite-discrete element method. Geoconvention, Calgary. Cite

Ha, J., & Grasselli, G. (2018). Three-dimensional FDEM modelling of laboratory tests and tunnels. 52nd U.S. Rock Mechanics/Geomechanics Symposium, Seattle. Cite

Abdelaziz, A., Thi, H. B., Saad, S., & Fuss, J. (2018). Liquified Natural Gas (LNG) for Remote Communities. University of Calgary CREATE ReDeveLoP Annual Innovation Program, April 30 – May 4, 2018, Calgary, Alberta. Cite

Abdelaziz, A., & Grasselli, G. (2018). Investigating frictional behavior of micro-cracks using grain based modelling in the combined finite-discrete element method (FDEM). 52nd US Rock Mechanics / Geomechanics Symposium, Seattle. Cite

Zhou, H., Zhao, Q., & Grasselli, G. (2017). Assessment of the detectability of localized strong attenuation zones through finite-difference waveform modelling. Geoconvention, Calgary. Cite

Zhao, Q., Abdelaziz, A., He, T.-M., Xia, K., & Grasselli, G. (2017). Understanding progressive rock failure using ultrasonic tomography and numerical simulation. ISRM Progressive Rock Failure Conference, Ascona, Switzerland. Cite

Qiu, Y., Ha, J., Peterson, K., & Grasselli, G. (2017). Finite-Discrete  Element Modeling of time-dependent mechanisms in southern Ontario Shales. 70th Canadian Geotechnical Conference, Ottawa. Cite

Venugopal, K., Kelly, P., Jamaluddin, A., McConnell, C., Alger, M., Morgan, E., Ni, R., Dunn, R., & Grasselli, G. (2016). The petrochallenge – An innovative E&P learning experience using an interactive learning simulation. 2016-January. Scopus. Cite

Tisato, N., Zhao, Q., & Grasselli, G. (2016). Experimental rock physics under micro-CT (C. Sicking & J. FergusonSicking, Eds.; Vol. 35, pp. 3251–3255). Society of Exploration Geophysicists; Scopus. https://doi.org/10.1190/segam2016-13949603.1 Cite

Tisato, N., Zhao, Q., & Grasselli, G. (2016). Experimental rock deformation under micro-CT – Two new apparatuses for rock physics. 78th EAGE Conference and Exhibition 2016: Efficient Use of Technology – Unlocking Potential. Scopus. Cite

Mahabadi, O. K., Lisjak, A., He, L., Tatone, B. S. A., Kaifosh, P., & Grasselli, G. (2016). Development of a new fully-parallel finite-discrete element code: Irazu. 4, 2695–2703. Scopus. Cite

Miglietta, P. C., Bentz, E. C., & Grasselli, G. (2016). FDEM: An innovative tool to model the seismic response of structural masonry (K. Maekawa, J. Yamazaki, & A. Kasuga, Eds.; pp. 509–516). A.A. Balkema Publishers; Scopus. Cite

Lisjak, A., Tatone, B. S. A., Kaifosh, P., He, L., Mahabadi, O. K., & Grasselli, G. (2016). Development of a fully-coupled, hydro-mechanical model for finite-discrete element simulations of fluid-driven fracturing. 1, 818–828. Scopus. Cite

Tisato, N., Chapman, S., Zhao, Q., Grasselli, G., & Quintal, B. (2015). Seismic wave attenuation in rocks saturated with bubbly liquids: Experiments and numerical modeling (R. V. Schneider, Ed.; Vol. 34, pp. 3254–3258). Society of Exploration Geophysicists; Scopus. https://doi.org/10.1190/segam2015-5902520.1 Cite

Tatone, B. S. A., & Grasselli, G. (2015). A combined experimental (micro-CT) and numerical (FDEM) methodology to study rock joint asperities subjected to direct shear. 1, 38–47. Scopus. Cite

Lisjak, A., Tatone, B. S. A., Mahabadi, O. K., Grasselli, G., Vietor, T., & Marschall, P. (2015). Simulating the mechanical re-compaction of the EDZ in an indurated claystone (Opalinus clay). 639–644. Scopus. Cite

Ha, J., Lisjak, A., & Grasselli, G. (2015). FDEM modelling of thermo-mechanical wellbore instabilities within shale formations. 3, 1762–1769. Scopus. Cite

Lisjak, A., Mahabadi, O. K., Grasselli, G., Marschall, P., Müller, H. R., Garitte, B., & Vietor, T. (2015). The excavation damaged zone in Clay Shales: New rock mechanics insights from discontinuum numerical modelling (Hassani, Hadjigeorgiou, & Archibald, Eds.; Vols. 2015-MAY, pp. 1–10). International Society for Rock Mechanics; Scopus. Cite

Tisato, N., Quintal, B., Grasselli, G., & Podladchikov, Y. (2014). Seismic wave attenuation in fluid-saturated rock as result of gas dissolution (B. Birkelo, Ed.; Vol. 33, pp. 1985–1990). Society of Exploration Geophysicists; Scopus. https://doi.org/10.1190/segam2014-0926.1 Cite

Lisjak, A., Mahabadi, O. K., Kaifosh, P., Vietor, T., & Grasselli, G. (2014). A preliminary evaluation of an enhanced FDEM code as a tool to simulate hydraulic fracturing in jointed rock masses. 1427–1432. Scopus. Cite

Grasselli, G., Lisjak, A., & Vietor, T. (2013, August 5). Bringing FDEM to practice – Study of failure mechanisms that contributeto the development of the damaged area around excavations in layered rock formations. 6th International Conference on Discrete Element Methods, Golden, Colorado. Cite

Ay, B., Parolia, K., Liddell, R. S., Qiu, Y., Grasselli, G., Cooper, D. M. L., & Davies, J. E. (2020). Hyperglycemia compromises Rat Cortical Bone by Increasing Osteocyte Lacunar Density and Decreasing Vascular Canal Volume. Communications Biology, 3(1), 20. Cite

Sun, L., Liu, Q., Grasselli, G., & Tang, X. (2020). Simulation of thermal cracking in anisotropic shale formations using the combined finite-discrete element method. Computers and Geotechnics, 117, 103237. https://doi.org/10.1016/j.compgeo.2019.103237 Cite

Zhao, Q., Glaser, S. D., Tisato, N., & Grasselli, G. (2020). Assessing Energy Budget of Laboratory Fault Slip Using Rotary Shear Experiments and Micro-Computed Tomography. Geophysical Research Letters, 47(1). https://doi.org/10.1029/2019gl084787 Cite

Sun, L., Grasselli, G., Liu, Q., & Tang, X. (2019). Coupled hydro-mechanical analysis for grout penetration in fractured rocks using the finite-discrete element method. International Journal of Rock Mechanics and Mining Sciences, 124, 104138. https://doi.org/10.1016/j.ijrmms.2019.104138 Cite

Sun, L., Grasselli, G., Liu, Q., & Tang, X. (2019). Thermal cracking simulation of functionally graded materials using the combined finite–discrete element method. Computational Particle Mechanics. Cite

Magsipoc, E., Zhao, Q., & Grasselli, G. (2019). 2D and 3D Roughness Characterization. Rock Mechanics and Rock Engineering. Cite

Wei, W., Zhao, Q., Jiang, Q., & Grasselli, G. (2019). A New Contact Formulation for Large Frictional Sliding and Its Implement in the Explicit Numerical Manifold Method. Rock Mechanics and Rock Engineering, Springer(1), 435–451. Cite

He, T.-M., Zhao, Q., Ha, J., Xia, K., & Grasselli, G. (2018). Understanding progressive rock failure and associated seismicity using ultrasonic tomography and numerical simulation. Tunnelling and Underground Space Technology, 81, 26–34. Cite

Abdelaziz, A., Zhao, Q., & Grasselli, G. (2018). Grain based modelling of rocks using the combined finite-discrete element method. Computers and Geotechnics, 103, 73–81. Cite

Zhao, Q., He, T. M., Ha, J., Xia, K., & Grasselli, G. (2018). Dataset for time-lapse ultrasonic tomography of a granite slab under uniaxial compression test. Data Brief, 20, 614–616. https://doi.org/10.1016/j.dib.2018.08.151 Cite

Zhao, Q., Tisato, N., Kovaleva, O., & Grasselli, G. (2018). Direct Observation of Faulting by Means of Rotary Shear Tests Under X-Ray Micro-Computed Tomography. Journal of Geophysical Research-Solid Earth, 123(9), 7389–7403. Cite

Wei, W., Zhao, Q., Jiang, Q., & Grasselli, G. (2018). Three new boundary conditions for the seismic response analysis of geomechanics problems using the numerical manifold method. International Journal of Rock Mechanics and Mining Sciences, 105, 110–122. Cite

Lisjak, A., Mahabadi, O. K., He, L., Tatone, B. S. A., Kaifosh, P., Haque, S. A., & Grasselli, G. (2018). Acceleration of a 2D/3D finite-discrete element code for geomechanical simulations using General Purpose GPU computing. Computers and Geotechnics, 100, 84–96. Scopus. https://doi.org/10.1016/j.compgeo.2018.04.011 Cite

Kalogerakis, G. C., Zhao, Q., Grasselli, G., & Sleep, B. E. (2018). In situ chemical oxidation processes: 4D quantitative visualization of byproduct formation and deposition via micro-CT imaging. The Leading Edge, 37(6), 462–467. https://doi.org/10.1190/tle37060462.1 Cite

Zhao, Q., Tisato, N., & Grasselli, G. (2017). Rotary shear experiments under X-ray micro-computed tomography. The Review of Scientific Instruments, 88(1), 015110. https://doi.org/10.1063/1.4974149 Cite

Miglietta, P. C., Bentz, E. C., & Grasselli, G. (2017). Finite/discrete element modelling of reversed cyclic tests on unreinforced masonry structures. Engineering Structures, 138, 159–169. Scopus. https://doi.org/10.1016/j.engstruct.2017.02.019 Cite

Lisjak, A., Kaifosh, P., He, L., Tatone, B. S. A., Mahabadi, O. K., & Grasselli, G. (2017). A 2D, fully-coupled, hydro-mechanical, FDEM formulation for modelling fracturing processes in discontinuous, porous rock masses. Computers and Geotechnics, 81, 1–18. Scopus. https://doi.org/10.1016/j.compgeo.2016.07.009 Cite

Huang, X., Zhao, Q., Qi, S., Xia, K., Grasselli, G., & Chen, X. (2017). Numerical simulation on seismic response of the filled joint under high amplitude stress waves using finite-discrete element method (FDEM). Materials, 10(1), 13. Cite

Miglietta, P. C., Grasselli, G., & Bentz, E. C. (2016). Finite/discrete element model of tension stiffening in GFRP reinforced concrete. Engineering Structures, 111, 494–504. Scopus. https://doi.org/10.1016/j.engstruct.2015.12.037 Cite

Lisjak, A., Tatone, B. S. A., Mahabadi, O. K., Grasselli, G., Marschall, P., Lanyon, G. W., Vaissière, R., Shao, H., Leung, H., & Nussbaum, C. (2016). Hybrid Finite-Discrete Element Simulation of the EDZ Formation and Mechanical Sealing Process Around a Microtunnel in Opalinus Clay. Rock Mechanics and Rock Engineering, 49(5), 1849–1873. Scopus. https://doi.org/10.1007/s00603-015-0847-2 Cite

Biryukov, A., Tisato, N., & Grasselli, G. (2016). Attenuation of elastic waves in bentonite and monitoring of radioactive waste repositories. Geophysical Journal International, 205(1), 105–121. Scopus. https://doi.org/10.1093/gji/ggv548 Cite

Zhao, Q., Tisato, N., Grasselli, G., Mahabadi, O. K., Lisjak, A., & Liu, Q. (2015). Influence of in situ stress variations on acoustic emissions: A numerical study. Geophysical Journal International, 203(2), 1246–1252. Cite

Tatone, B. S. A., & Grasselli, G. (2015). A calibration procedure for two-dimensional laboratory-scale hybrid finite-discrete element simulations. International Journal of Rock Mechanics and Mining Sciences, 75, 56–72. Scopus. https://doi.org/10.1016/j.ijrmms.2015.01.011 Cite

Lisjak, A., Garitte, B., Grasselli, G., Müller, H. R., & Vietor, T. (2015). The excavation of a circular tunnel in a bedded argillaceous rock (Opalinus Clay): Short-term rock mass response and FDEM numerical analysis. Tunnelling and Underground Space Technology, 45, 227–248. Scopus. https://doi.org/10.1016/j.tust.2014.09.014 Cite

Grasselli, G., Lisjak, A., Mahabadi, O. K., & Tatone, B. S. A. (2015). Influence of pre-existing discontinuities and bedding planes on hydraulic fracturing initiation. European Journal of Environmental and Civil Engineering, 19(5), 580–597. Scopus. https://doi.org/10.1080/19648189.2014.906367 Cite

Zheng, L., Zhao, Q., Milkereit, B., Grasselli, G., & Liu, Q. (2014). Spectral-element simulations of elastic wave propagation in exploration and geotechnical applications. Earthquake Science, 27(2), 179–187. Scopus. https://doi.org/10.1007/s11589-014-0069-9 Cite

Zhao, Q., Lisjak, A., Mahabadi, O. K., Liu, Q., & Grasselli, G. (2014). Numerical simulation of hydraulic fracturing and associated microseismicity using finite-discrete element method. Journal of Rock Mechanics and Geotechnical Engineering, 6(6), 574–581. https://doi.org/10.1016/j.jrmge.2014.10.003 Cite

Tisato, N., Quintal, B., Chapman, S., Madonna, C., Subramaniyan, S., Frehner, M., Saenger, E. H., & Grasselli, G. (2014). Seismic attenuation in partially saturated rocks: Recent advances and future directions. Leading Edge, 33(6), 640–646. Scopus. https://doi.org/10.1190/tle33060640.1 Cite

Tatone, B. S. A., & Grasselli, G. (2014). Characterization of the effect of normal load on the discontinuity morphology in direct shear specimens using X-ray micro-CT. Acta Geotechnica, 10(1), 31–54. Scopus. https://doi.org/10.1007/s11440-014-0320-5 Cite

Muralha, J., Grasselli, G., Tatone, B. S. A., Blümel, M., Chryssanthakis, P., & Yujing, J. (2014). ISRM Suggested Method for Laboratory Determination of the Shear Strength of Rock Joints: Revised Version. Rock Mechanics and Rock Engineering, 47(1), 291–302. Cite

Mahabadi, O. K., Tatone, B. S. A., & Grasselli, G. (2014). Influence of microscale heterogeneity and microstructure on the tensile behavior of crystalline rocks. Journal of Geophysical Research: Solid Earth, 119(7), 5324–5341. Scopus. https://doi.org/10.1002/2014JB011064 Cite

Lisjak, A., Tatone, B. S. A., Grasselli, G., & Vietor, T. (2014). Numerical Modelling of the Anisotropic Mechanical Behaviour of Opalinus Clay at the Laboratory-Scale Using FEM/DEM. Rock Mechanics and Rock Engineering, 47(1), 187–206. https://doi.org/10.1007/s00603-012-0354-7 Cite

Lisjak, A., & Grasselli, G. (2014). A review of discrete modeling techniques for fracturing processes in discontinuous rock masses. Journal of Rock Mechanics and Geotechnical Engineering, 6(4), 301–314. Scopus. https://doi.org/10.1016/j.jrmge.2013.12.007 Cite

Lisjak, A., Figi, D., & Grasselli, G. (2014). Fracture development around deep underground excavations: Insights from FDEM modelling. Journal of Rock Mechanics and Geotechnical Engineering, 6(6), 493–505. Scopus. https://doi.org/10.1016/j.jrmge.2014.09.003 Cite

Lisjak, A., Grasselli, G., & Vietor, T. (2014). Continuum–discontinuum analysis of failure mechanisms around unsupported circular excavations in anisotropic clay shales. International Journal of Rock Mechanics and Mining Sciences, 65, 96–115. https://doi.org/10.1016/j.ijrmms.2013.10.006 Cite

Biryukov, A., Tisato, N., & Grasselli, G. (2014). Workflow to numerically reproduce laboratory ultrasonic datasets. Journal of Rock Mechanics and Geotechnical Engineering, 6(6), 582–590. Scopus. https://doi.org/10.1016/j.jrmge.2014.10.002 Cite

Tatone, B. S. A., & Grasselli, G. (2013). An Investigation of Discontinuity Roughness Scale Dependency Using High-Resolution Surface Measurements. Rock Mechanics and Rock Engineering, 46(4), 657–681. https://doi.org/10.1007/s00603-012-0294-2 Cite

Lisjak, A., Liu, Q., Zhao, Q., Mahabadi, O. K., & Grasselli, G. (2013). Erratum to Numerical simulation of acoustic emission in brittle rocks by two-dimensional finite-discrete element analysis. Geophysical Journal International, 196(2), 1263. Scopus. https://doi.org/10.1093/gji/ggt419 Cite

Lisjak, A., Liu, Q., Zhao, Q., Mahabadi, O. K., & Grasselli, G. (2013). Numerical simulation of acoustic emission in brittle rocks by two-dimensional finite-discrete element analysis. Geophysical Journal International, 195(1), 423–443. Cite

Mahabadi, O. K., Randall, N. X., Zong, Zong., & Grasselli, G. (2012). A novel approach for micro‐scale characterization and modeling of geomaterials incorporating actual material heterogeneity. Geophysical Research Letters, 39(1). https://doi.org/10.1029/2011GL050411 Cite

Tatone, B. S. A., & Grasselli, G. (2012). Quantitative Measurements of Fracture Aperture and Directional Roughness from Rock Cores. Rock Mechanics and Rock Engineering, 45(4), 619–629. https://doi.org/10.1007/s00603-011-0219-5 Cite

Mahabadi, O. K., Lisjak, A., Munjiza, A., & Grasselli, G. (2012). Y-Geo: New Combined Finite-Discrete Element Numerical Code for Geomechanical Applications. International Journal of Geomechanics, 12(6), 676–688. https://doi.org/10.1061/(ASCE)GM.1943-5622.0000216 Cite

Barla, M., Piovano, G., & Grasselli, G. (2012). Rock Slide Simulation with the Combined Finite-Discrete Element Method. International Journal of Geomechanics, 12(6), 711–721. https://doi.org/10.1061/(ASCE)GM.1943-5622.0000204 Cite

Mahabadi, O. K., Cottrell, B., & Grasselli, G. (2010). An Example of Realistic Modelling of Rock Dynamics Problems: FEM/DEM Simulation of Dynamic Brazilian Test on Barre Granite. Rock Mechanics and Rock Engineering, 43(6), 707–716. Cite

Mahabadi, O. K., Grasselli, G., & Munjiza, A. (2010). Y-GUI: A graphical user interface and pre-processor for the combined finite-discrete element code, Y2D, incorporating material heterogeneity. Computers & Geosciences, 36(2), 241–252. Cite

Tatone, B. S. A., & Grasselli, G. (2010). A new 2D discontinuity roughness parameter and its correlation with JRC. International Journal of Rock Mechanics and Mining Sciences, 47(8), 1391–1400. https://doi.org/10.1016/j.ijrmms.2010.06.006 Cite

Tatone, B. S. A., & Grasselli, G. (2010). ROCKTOPPLE: A spreadsheet-based program for probabilistic block-toppling analysis. Computers & Geosciences, 36(1), 98–114. https://doi.org/10.1016/j.cageo.2009.04.014 Cite

Nasseri, M. H. B., Grasselli, G., & Mohanty, B. (2010). Fracture Toughness and Fracture Roughness in Anisotropic Granitic Rocks. Rock Mechanics and Rock Engineering, 43(4), 403–415. https://doi.org/10.1007/s00603-009-0071-z Cite

Saito, H., & Grasselli, G. (2010). Geostatistical downscaling of fracture surface topography accounting for local roughness. Acta Geotechnica, 5(2), 127–138. https://doi.org/10.1007/s11440-010-0114-3 Cite

Tatone, B. S. A., & Grasselli, G. (2009). A method to evaluate the three-dimensional roughness of fracture surfaces in brittle geomaterials. Review Of Scientific Instruments, 80(12), 125110. https://doi.org/10.1063/1.3266964 Cite

Kaiser, P., & Grasselli, G. (2005). Review of stress-driven dynamic failure during tunnel excavation. Cite

Qiu, Y. (2019). Upscaling Micromechanical Indentation Properties to Mesoscale Behaviour in Geomaterials [MASc Thesis, University of Toronto]. Cite

Zhou, H. (2019). Scratching the Surface: Shear Dilation of Rock Joints Based on Quantified Surface Description [MASc Thesis, University of Toronto]. Cite

Hu, J. (2019). Characterization of Pipeline Exterior and Interior Coating Material [MASc Thesis, University of Toronto]. Cite

Magsipoc, E. (2019). Quantifying the Fracture Process using Surface Roughness Parameters [MASc Thesis, University of Toronto]. Cite

Zhao, Q. (2017). Investigating brittle rock failure and associated seismicity using laboratory experiments and numerical simulations [PhD Thesis, University of Toronto]. Cite

Miglietta, P. C. (2017). Application of the Hybrid Finite/Discrete Element Method to the Numerical Simulation of Masonry Structures [PhD Thesis, University of Toronto]. Cite

Ha, J. (2017). FDEM Tunnel Modelling in Georgian Bay Shale [MASc Thesis, University of Toronto]. Cite

Harvey, S. G. E. (2016). Prediction of Blast-induced Ground Vibration and Rock Fragmentation by Statistical and Combined Finite-discrete Element Modelling Methods for the McGill Utility Tunnel [MASc Thesis, University of Toronto]. Cite

Biryukov, A. (2015). Simulated Geophysical Monitoring of Radioactive Waste Repository Barriers [MASc Thesis, University of Toronto]. Cite

Tatone, B. S. A. (2014). Investigating the Evolution of Rock Discontinuity Asperity Degradation and Void Space Morphology under Direct Shear [PhD Thesis, University of Toronto]. Cite

Lisjak, A. (2014). Investigating the Influence of Mechanical anisotropy on the Fracturing Behaviour of Brittle Clay Shales with Application to Deep Geological Repositories [PhD Thesis, University of Toronto]. Cite

Zhao, Q. (2013). Numerical Studies of Frictional Sliding Behavior and Influences of Confining Pressure on Accoustic Activities in Compression Tests Using FEM/DEM [MASc Thesis, University of Toronto]. Cite

Mahabadi, O. K. (2012). Investigating the Influence of Micro-scale Heterogeneity and Microstructure on the Failure and Mechanical Behaviour of Geomaterials [PhD Thesis, University of Toronto]. Cite

Tatone, B. S. A. (2010). Quantitative Characterization of Natural Rock Discontinuity Roughness In-situ and in the Laboratory [MASc Thesis, University of Toronto]. Cite

Grasselli, G. (2001). Shear strength of rock joints based on quantified surface description [PhD Thesis, EPFL (Lausanne)]. Cite

Grasselli, G. (1995). Comportamento meccanico di masse rocciose discontinue rinforzate con bulloni passivi [MASc Thesis]. Università di Parma. Cite