Articles in Peer Reviewed Journals [NOTE – Authors underlined are mentored students]
2017
Q. Zhao, N. Tisato & G. Grasselli. (2017). Rotary shear experiments under X-ray micro-computed tomography, Review of Scientific Instruments, 88(1), 015110. http://aip.scitation.org/doi/abs/10.1063/1.4974149
2015
Q. Zhao, N. Tisato, G. Grasselli, O. K. Mahabadi, A. Lisjak & Q. Liu. (2015). Influences of in-situ stress variations on acoustic emissions: a numerical study, Geophysical Journal International, 203(2), 1246-1252. https://doi.org/10.1093/gji/ggv370
2014
Q. Zhao, A. Lisjak, O. K. Mahabadi, Q. Liu & G. Grasselli. (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
2013
Lisjak, A., Grasselli, G., Vietor, T., Numerical analysis of failure mechanisms around unsupported circular excavations in clay shales – International Journal of Rock Mechanics and Mining Sciences http://dx.doi.org/10.1016/j.ijrmms.2013.10.006
2013
Muralha J., Tatone, B.S.A., Grasselli G., Blümel M., Chryssanthakis P., Jiang Y., ISRM Suggested Method for Laboratory Determination of the Shear Strength of Rock Joints – Rock Mechanics Rock Engineering
2013
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, http://dx.doi.org/10.1093/gji/ggt221
2013
Lisjak A., Tatone B.S.A., Grasselli G., Vietor T., Numerical modelling of the anisotropic mechanical behaviour of Opalinus Clay at the laboratory-scale using FEM/DEM – Rock Mechanics Rock Engineering, http://dx.doi.org/10.1007/s00603-012-0354-7
2012
Tatone B.S.A., Grasselli G., Quantitative measurements of fracture aperture and directional roughness from rock cores, Rock Mechanics Rock Engineering, 45/4, pp. 619-629,http://dx.doi.org/10.1007/s00603-011-0219-5
2012
Mahabadi O. K., Randall N. X., Zong Z., Grasselli G., A novel approach for micro-scale characterization and modeling of geomaterials incorporating actual material heterogeneity, Geophysical Research Letters, 39, L01303, 6 pp., http://dx.doi.org/10.1029/2011GL050411
2012
Mahabadi O. K., Lisjak A., Munjiza A., Grasselli G., Y-Geo: a new combined finite-discrete element numerical code for geomechanical applications – ASCE – International Journal of Geomechanics,http://dx.doi.org/10.1061/(ASCE)GM.1943-5622.0000216
2012
Barla M., Piovano G., Grasselli G., Rock slide simulation with the combined finite discrete element method, ASCE – International Journal of Geomechanics,http://dx.doi.org/10.1061/(ASCE)GM.1943-5622.0000204
2012
Tatone B.S.A., Grasselli G., An Investigation of Discontinuity Roughness Scale-Dependency Using High-Resolution Surface Measurements – Rock Mechanics Rock Engineering,http://dx.doi.org/10.1007/s00603-012-0294-2
2010
Tatone, B.S.A., Grasselli, G., A new 2D discontinuity roughness parameter and its correlation with JRC. International Journal of Rock Mechanics and Mining Sciences, doi: 10.1016/j.ijrmms.2010.06.006
 
2010
Mahabadi, O.K.Cottrell, B.E., 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. DOI: http://dx.doi.org/10.1007/s00603-010-0092-7
 
2010
Satio, H., Grasselli, G.,Geostatistical downscaling of fracture surface topography accounting for local roughness, Acta Geotechnica, DOI: 10.1007/s11440-010-0114-3 pp.12.
 
2010
Nasseri, M.H.B., Grasselli, G., Mohanty, B.,2010, Fracture toughness and fracture roughness in anisotropic granitic rocks, Rock Mechanics Rock Engineering doi: 10.1007/s00603-009-0071-z
 
2010
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, Volume 36, Issue 2, February 2010, Pages 241-252
 
2010
Tatone, B.S.A., Grasselli, G., 2010, ROCKTOPPLE: A Spreadsheet-Based Program for Probabilistic Block Toppling Analysis. Computers & Geosciences, Volume 36, Issue 1, January 2010, Pages 98-114.
2009
Tatone, B.S.A., Grasselli, G., A method to evaluate the 3D roughness of fracture surface in brittle geo-materials, Review of Scientific Instruments, 80, 125110; doi:10.1063/1.3266964
 
2009
Nasseri, M.H.B., Tatone, B.S.A., Grasselli, G., Young P.R., 2009, Fracture toughness and fracture roughness interrelationship in thermally treated Westerly granite, Pure and Applied Geophysics, 166, pp. 801-822. (Tatone and Nasseri equally contributed to this work)
 
2007
Kim, B.H., Grasselli, G., Kaiser P.K., 2007, Influence of persistence on behaviour of fractured rock masses, Journal of the Geological Society, SP284; p. 161-173, doi:10.1144/SP284.11 http://jgs.geoscienceworld.org
 
2006
Boutt, D.F., Grasselli, G., Fredrich, J.T., Cook, B.K., Williams, J.R.,2006, Experimental and numerical study of colloid transport in a single fracture, Geophysical Research Letters, 33, L21402, doi:10.1029/2006GL027275 (Grasselli and Boutt equally contributed to this work)
 
2006
Grasselli, G., 2006, Shear Strength of Rock Joints Based on Quantified Surface Description, in Rock Mechanics Rock Engineering, 39/4, pp. 295-314.
 
2005
Grasselli, G., 2005, 3D Behaviour of Bolted Rock Joints: Experimental and Numerical Study, International Journal of Rock Mechanics and Mining Sciences, 42/1, pp. 13-24.
 
2003
Grasselli, G., Egger, P., 2003, Constitutive Law for Shear Strength of Rock Joints Based on Quantitative 3-Dimensional Surface Parameters, International Journal of Rock Mechanics and Mining Sciences, 40/1, pp. 25-40.
 
2002
Grasselli, G., Wirth, J., Egger, P., 2002, Quantitative three-dimensional description of a rough surface and parameter evolution with shearing, International Journal of Rock Mechanics and Mining Sciences, 36/6, pp. 789-800
 
Software [NOTE – Authors underlined are mentored students]
2011
Y-GEO, Mahabadi O.K., Lisjak, A., Grasselli G., Munjiza A.
2009
ROCKTOPPLE, Tatone, B.S.A., Grasselli G.
2009
Y-GUI, Mahabadi O.K., Grasselli G.
2003
Rock3CAD, Wirth J., Grasselli G.
Articles in Peer Reviewed Conference proceedings [NOTE – Authors underlined are mentored students]
2013
Grasselli G, Zhao Q., Lisjak, A., Liu Q., Numerical simulation of acoustic emissions in rock using FEM/DEM, RocDyn – Lausanne, Switzerland – June 6-8, 2013 [Keynote lecture]
2012
Tatone BSA, Grasselli G., 2012, Modeling direct shear tests with FEM/DEM: Investigation of discontinuity shear strength scale effect as an emergent characteristic, American Rock Mechanics Conference – Chicago, US – June 24-27, 2012
2012
Lisjak, A., Tatone BSA, Grasselli G., Vietor T., Modeling of the strength and deformation anisotropy of an argillaceous rock (Opalinus Clay) at the laboratory-scale, American Rock Mechanics Conference – Chicago, US – June 24-27, 2012
2012
Lisjak, A., Tatone BSA, Mahabadi OK, Grasselli G., Block caving modelling using the Y-Geo hybrid finite-discrete element code, MassMin – Sudbury, Canada – May 11-13, 2012
2012
Lisjak, A., Tatone BSA, Grasselli G., Vietor T., Combined finite-discrete element modelling of the influence of bedding planes on the mechanical behaviour of Opalinus Clay, RockEng12 – Edmonton, Canada – May 5-7, 2012
2011
Lisjak, A., Mahabadi O.K., Tatone B.S.A., Grasselli G., Slope stability assessment using a hybrid finite-discrete element method code (FEMDEM), In Proc. 12th ISRM International Congress on Rock Mechanics – Beijing, China – October 18-21, 2011
2011
Manzella I., Einstein H.H., Grasselli G., Analytical and numerical modeling of granular and block flows to investigate large debris avalanche runout, Second World Landslide Forum – Rome, Italy – October 9-11, 2011
2011
Lisjak, A., Grasselli G., Influence of initial block packing on rock avalanche flow and emplacement mechanisms through FEMDEM simulations, PAN-AM CGS Geotechnical Conference – Toronto, Canada – October 2-6, 2011
2011
Manzella I., Lisjak, A., Mahabadi O.K., Grasselli G., Influence of initial block packing on rock avalanche flow and emplacement mechanisms through FEMDEM simulations, PAN-AM CGS Geotechnical Conference – Toronto, Canada – October 2-6, 2011
2011
Lisjak, A., Grasselli G., Numerical modeling of failure around a circular excavation using a hybrid finite-discrete element method code (FEM-DEM), XXIV Convegno Nazionale di Geotecnica – Napoli, Italy – June 22-24, 2011
2010
Tatone, B.S.A.Mahabadi, O.K.Lisjak, A., Grasselli G., 2010. Evaluation of the combined finite element-descrete element method for the assessment of gravity dam stability, CDA 2010 -Niagara Falls – 3-7 October 2010
 
2010
Tatone, B.S.A., Grasselli, G., Cottrell, B., 2010. Accounting for the influence of measurement resolution on discontinuity roughness estimates, Eurock 2010, Lausanne, Switzerland -14-18 June 2010
 
2010
Cottrell, B.Tatone, B.S.A., Grasselli, G., 2010. Joint replica shear testing and roughness degradation measurement, Eurock 2010, Lausanne, Switzerland -14-18 June 2010
 
2010
Mahabadi, O.K.Lisjak, A., Grasselli, G., Lukas, T., Munjiza, A., 2010. Numerical modelling of a triaxial test of homogeneous rocks using the combined finitediscrete element method, Eurock 2010, Lausanne, Switzerland -14-18 June 2010.
 
2009
Tatone, B.S.A., Donnely, C.R., Protulipac, D.G., Clarke, C., Evaluation of the hydraulic efficiency of newly constructed plastic concrete cut-off wall. In Proceedings of the 2009 Canadian Dam Association Conference, Whistler, BC. 3-8 October 2009
 
2009
Tatone, B., Grasselli, G., Use of a stereo-topometric measurement system for the characterization of rock joint roughness in-situ and in the laboratory, in Proc. RockEng09, 9-15 May 2009, Toronto, Canada
 
2009
Mahabadi, O.K., grasselli, G., Munjiza, A., 2009, Numerical modelling of a brazilian Disc test of layered rocks using the combined finite-discrete element method, in Proc. RockEng09, 9-15 May 2009, Toronto, Canada
 
2009
Stefanizzi, S., Barla, G., Kaiser, P.K., Grasselli, G., 2009, Numerical modeling of rock mechanics tests in layered media using a finite/discrete element approach. in Proc. RockEng09, 9-15 May 2009, Toronto, Canada.
 
2009
Assane, T.Cottrell, B., Grasselli, G., 2009, Contribution of surface roughness on the shear strength of Indiana limestone cracks – An experiemental study. in Proc. Rock joints and jointed rock masses, 6 – 12 January 2009, Tucson, AZ, USA.
 
2008
Stefanizzi, S., Barla, G., Kaiser, P.K., Grasselli, G., 2008, Numerical modeling of rock mechanics tests in layered media using a finite/discrete element approach, Proc. 12th IACMAG, pp 1126-1131.
 
2007
Nasseri, M.H.B., Grasselli, G., Mohanty, B., Wirth, J., Braun, M., 2007, Experimental relationship between fracture toughness and fracuture roughness in anisotropic granite rocks, Proc. 1st Canada US Rock Mech. Symp., pp.617-624.
 
2007
Saito, H., Grasselli, G., Ferrero, A.M., 2007, Accounting for local roughness in geostatistical simulation of fracture surface topography, Proc. 1st Canada US Rock Mech. Symp.
 
2005
Grasselli, G., Boutt, D.F., Fredrich, J.T., Cook, B.K., Williams, J.R., 2005, Experimental and numerical study of colloid transport in a single fracture, in Proc. IACMAG 2005, Turin, Italy.
 
2004
Grasselli, G., 2004, Rocha Medal Lecture: Shear Strength of Rock Joints Based on Quantified Surface Description, in Proc. 3rd arms 2004 Conference, Kyoto, Japan, pp. 87-99
 
2004
Grasselli, G., Fredrich, J.T., 2004, Direct measurement of flow in fractures, in Proc. Eurock 2004 Conference, Salzburg, Austria.
 
2003
Grasselli, G., Wirth, J., Zimmerman, R.W., 2003, Surface Parameters for Quantifying the Hydro-Mechanical Anisotropy of Rock Discontinuities, in Proc. ISRM 10th International Conference on Rock Mechanics, 8-12 september 2003, gauteng-Johannesburg, South Africa.
 
2002
Grasselli, G., Wirth, J., Zimmerman, R.W., 2002, Functional Parameters for Quantifying the Surface Anisotropy of Rock Discontinuities, in Proc. Eurock 2002 Conference, Funchal, Madeira Island, portugal, pp. 715-721
 
2001
Grasselli, G., Egger, P., Wirth, J., Hopkins, D., 2001, Characterization of the Parameters that Govern the Peak Shear strength of Rock Joint, in Proc. of DCRocks, washington DC, USA, pp. 817-821.
 
2000
Grasselli, G., Egger, P., 2000, 3D surface characterization for the prediction of the shear strength of rough joint, in Proc. Eurock 2000, ed. Wittke, Aachen, Germany, pp. 281-286.
 
1999
Grasselli, G., Kharchafi, M., Egger, P., 1999, Experimental and numerical comparison between fully grouted and frictional bolts, in Proc. 9th Int. Cong. on Rock Mechanics, ed. Vouille & Berest, Paris, France, pp. 903-907
 
1998
Kharchafi, M., Grasselli, G., Egger, P., 1998 3D behaviour of bolted rock joints: experimental and numerical study, in mechanics of jointed and faulted rock, ed. Rossmanith, Vienna, Austria, pp. 299-304
 
Conference Abstracts [NOTE – Authors underlined are mentored students]
2013
Grasselli G., Lisjak, A., Garitte, B., Müller, H. R., Vietor, T., Bringing FDEM to practice – Study of the mechanism that contribute to the development of a damaged area around excavations in a layered rock formation. In DEM6 – Boulder, Colorado, August 5-6, 2013 [Keynote for the special session on FDEM]
2012
Grasselli G., Lisjak, A., Tatone B.S.A., Mahabadi O.K., Numerical study of the influence of pre-existing features on the hydraulic fracturing process using FEM/DEM. In ALERT Workshop – “Geomechanics for energy production” – October 3, 2012
2012
Lisjak, A., Tatone B.S.A., Grasselli G., Numerical modelling of the anisotropic mechanical behaviour of Opalinus Clay using FEM/DEM. In ALERT Workshop October 2, 2012
2012
Lisjak, A., Tatone B.S.A., Grasselli G., Vietor T., Micro-mechanical modeling of the strength and deformation anisotropy of Opalinus Clay. In Proc. TIMODAZ Workshop – Mont Terri Rock Laboratory, Saint-Ursanne, Switzerland – February 6-7, 2012
2011
Coppini, H., Sublett C., Tatone B.S.A., Grasselli G., Experimental study on shear strength of non-persistent joins – RockEng2012 (28/10/2011) [abstract accepted, but not complemented by full paper]
2011
Manzella I., Einstein H.H., Grasselli G., 2011. Propagation of large debris avalanches: analytical, DEM and FEMDEM modelling of granular and block flows. Geophysical Research Abstracts Vol. 13, EGU2011-1533, 2011
2007
Grasselli, G., Saito, H., 2007, Geostatistical downscaling of fracture surface topography and its impact on fluid flow through fracture, in Proc. ALERT meeting, Aussois, France.
 
2007
Magni F., Grasselli G., 2007, Post-peak fracture behavior during direct shear tests of rock joints, in Proc. Euroconference on Rock Physics and Geomechanics, 25 – 30 September 2007, Erice, Italy
 
2007
Nasseri M.H.B., Grasselli G., Mohanty B., Cho S.H., 2007, Three-dimensional observation of the fracture process zone in anisotropic granitic rock by x-ray CT scan and 3D stereo topometric cameras, in Proc. Euroconference on Rock Physics and Geomechanics, 25 – 30 September 2007, Erice, Italy
 
2005
Grasselli G., Boutt D., Fredrich, J. T., 2005, Colloid traps: Microscale modeling of solid transport through a single rock fracture, in Proc. AGU Fall Meeting, 5-9 December 2005, San Francisco, USA.
 
2005
Kim B.H., Grasselli G., 2005, Influence of Rock Bridges on Shear Behaviour of Fractured Rock Masses, in Proc. EURO-Conference on Rock Physics and Geomechanics, Micromechanics, 18 – 22 September 2005, Ile d’Oléron, France
 
2003
Grasselli G., Saito H., 2003, Multi-scale Characterization of Rock Fracture Surfaces Using Roughness Analysis and Geostatistics, in Proc. Fall AGU meeting, San Francisco, USA.
 
2003
Grasselli G., Zimmerman R.W., 2003, Influence of Roughness on the Hydro-Mechanical Behaviour of Rock Discontinuities, in Proc. Euroconference on Rock Physics and Geomechanics, Micromechanics, Flow and Chemical Reactions, 7-11 September 2003, Kijkduin, The Netherlands
 
2002
Grasselli G., 2002, A New Peak Shear Strength Criterion for Rock Joints, in Proc. W(H)YDOC 02, 4-6 December 2002, Paris, France.
 
2002
Grasselli G., 2002, Geometrical Characterization of Damaged Areas on Sheared Rock Fractures, in Proc. IARG2002, 19-21 June 2002, Napoli, Italy (in Italian)
 
2000
Grasselli, G., Egger P., 2000, Three-dimensional optical measurement and characterization of rough surfaces, in GSA meeting, Reno, USA.
 
Books, book chapters reports, professional journals and thesis [NOTE – Authors underlined are mentored students]
2009
Grasselli, G., Munjiza, A., Cottrell, B.Mahabadi, O.K., 2009.FEM/DEM Simulation of Dynamic Brazilian Tests, ISRM News Journal, vol 12, pp 80-83 (Technical article in professional society journal)
 
2009
Diederichs, M., Grasselli G., 2009 Rock engineering in difficult conditions, 256 pages + CD, ISBN 978-0-7727-7588-7 (Edited Book)
 
2007
Grasselli, G., Kim, B., 2007, Use of 3D digital system for rock mass characterization. Memorie in ricordo di Renato Ribacchi. Patron Ed. pp. 87-97 (Book Chapter in Italian)
 
2005
Kaiser, P.K., Grasselli, G., 2005, Review of stress-driven dynamic failure during tunnel excavation, (Industry technical report)
 
2001
Grasselli G., 2001. Shear Strength of Rock Joints Based on Quantified Surface Description. Ecole Polytechnique Fédérale de Lausanne, Switzerland, advisors Prof. F. Descoeudres & Prof. P.Egger, (PhD thesis)
 
1995
Grasselli G., 1995. Comportamento meccanico di masse rocciose discontinue rinforzate con bulloni passive. advisors Prof. Giani G. P. & Prof. Egger P., Università degli Studi di Parma. (in Italian) (Tesi di Laurea)