Andrea Lisjak

PhD Graduate

Publications

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
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
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. Geological Society, London, Special Publications, 443(1), 127–147. Scopus. https://doi.org/10.1144/SP443.8
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
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. 50th U.S. Rock Mechanics / Geomechanics Symposium 2016, 4, 2695–2703. Scopus.
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. 50th U.S. Rock Mechanics / Geomechanics Symposium 2016, 1, 818–828. Scopus.
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
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
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). ISRM Regional Symposium, EUROCK 2015, 639–644. Scopus.
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. In Hassani, Hadjigeorgiou, & Archibald (Eds.), 13th ISRM International Congress of Rock Mechanics (Vols. 2015-MAY, pp. 1–10). International Society for Rock Mechanics; Scopus. https://doi.org/10.13140/RG.2.1.1595.9125
Ha, J., Lisjak, A., & Grasselli, G. (2015). FDEM modelling of thermo-mechanical wellbore instabilities within shale formations. 49th U.S. Rock Mechanics / Geomechanics Symposium 2015, 3, 1762–1769. Scopus.
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. https://doi.org/10.1093/gji/ggv370
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
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
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
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
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
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. In N. Colegio Oficial de Ingenieros de Minas del, P. Deputacion de, Geobrugg, Sibelco, & et al. (Eds.), Rock Engineering and Rock Mechanics: Structures in and on Rock Masses - Proceedings of EUROCK 2014, ISRM European Regional Symposium (pp. 1427–1432). Taylor and Francis - Balkema; Scopus.
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.
Grasselli, G., Zhao, Q., Lisjak, A., & Liu, Q. (2013, June 6). Numerical simulation of acoustic emission in rocks using FEM/DEM. 1st International Conference on Rock Dynamics and Applications, Lausanne, Switzerland. https://doi.org/10.1201/b14916-14
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. https://doi.org/10.1093/gji/ggt221
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.
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
Grasselli, G., Lisjak, A., Tatone, B. S. A., & Mahabadi, O. K. (2012, October 3). Numerical study of the influence of pre-existing features on the hydraulic fracturing process using FEM/DEM. ALERT Workshop – “Geomechanics for energy production,” grasselli2012numerical.
Lisjak, A., Tatone, B. S. A., Grasselli, G., & Vietor, T. (2012, June 24). Modeling of the strength and deformation anisotropy of an argillaceous rock (Opalinus clay) at the laboratory-scale. 46th U.S. Rock Mechanics/Geomechanics Symposium, Chicago, IL.
Lisjak, A., Tatone, B. S. A., Grasselli, G., & Vietor, T. (2012, May 5). Combined finite-discrete element modelling of the influence of bedding planes on the mechanical behaviour of Opalinus Clay. RockEng12, Edmonton, Canada.
Lisjak, A., Tatone, B. S. A., Grasselli, G., & Vietor, T. (2012, February 6). Micro-mechanical modeling of the strength and deformation anisotropy of Opalinus Clay. TIMODAZ Workshop, Mont Terri Rock Laboratory, Saint-Ursanne, Switzerland.
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
Lisjak, A., Tatone, B. S. A., Mahabadi, O. K., & Grasselli, G. (2012). Block caving modelling using the Y-Geo hybrid finite-discrete element code. Proceedings of the 6th International Conference and Exhibition on Mass Mining (MassMin 2012), Sudbury, Canada.
Grasselli, G., Lisjak, A., Mahabadi, O. K., & Tatone, B. S. A. (2011, October 16). Slope stability analysis using a hybrid Finite-Discrete Element method code (FEMDEM). 12th ISRM Congress, Beijing, China.
Lisjak, A., & Grasselli, G. (2011, June 22). 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.
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.
Tatone, B. S. A., Lisjak, A., Mahabadi, O. K., Grasselli, G., & Donnelly, C. (2010). Evaluation of the combined finite element-discrete element method for the assessment of gravity dam stability. 1509. https://doi.org/10.13140/2.1
Mahabadi, O. K., Lisjak, A., Grasselli, G., Lukas, T., & Munjza, A. (2010). Numerical modelling of a triaxial test of homogeneous rocks using the combined finite-discrete element method. 173–176. https://doi.org/10.13140/2.1.1600.8642