Omid Mahabadi

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.
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
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
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
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.
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
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.
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
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.
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.
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. https://doi.org/10.1007/s00603-010-0092-7
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
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. https://doi.org/10.1016/j.cageo.2009.05.010
Mahabadi, O. K., Grasselli, G., & Munjiza, A. (2009, May 9). Numerical modelling of a Brazilian Disc test of layered rocks using the combined finite-discrete element method. RockEng09, Toronto, Canada.
Grasselli, G., Munjiza, A., Cottrell, B., & Mahabadi, O. K. (2009). FEM/DEM Simulation of Dynamic Brazilian Tests. ISRM News Journal, 12, 80–83.