Leo Sun

Postdoctoral Researcher

Biography

Dr. Sun received his BEng from Sichuan University and PhD from Wuhan University. Now he is working at the University of Toronto as a postdoctoral fellow. He aims at developing a robust thermo-hydro-mechanical (THM) coupling model based on the combined finite-discrete element method (FDEM).

July 2022
July 2022

Journal Paper

Published a Journal Paper in the Computers and Geotechnics titled "The role of discontinuities in rock slope stability: Insights from a combined finite-discrete element simulation"
May 2022
May 2022

Invited Talk

Invited talk on "Thermo-hydro-mechanical coupled modelling framework in the combined finite-discrete element method (FDEM-THM): implementation and application" as part of the Geological Controls and Fracture Mechanics - Considerations for the Geological Storage of Carbon Dioxide, Hydrogen, Methane and Compressed Air.
January 2022
January 2022

Journal Paper

Published a Journal Paper in the Computers and Geotechnics titled "Simulating the entire progressive failure process of rock slopes using the combined finite-discrete element method"
September 2020
September 2020

Joined

Joined as a Postdoctoral Researcher

January 2020
January 2020

Journal Paper

Published a Journal Paper in the Computers and Geotechnics titled "Simulation of thermal cracking in anisotropic shale formations using the combined finite-discrete element method"
December 2019
December 2019

Journal Paper

Published a Journal Paper in the International Journal of Rock Mechanics and Mining Sciences titled "Coupled hydro-mechanical analysis for grout penetration in fractured rocks using the finite-discrete element method"
September 2019
September 2019

Journal Paper

Published a Journal Paper in the Computational Particle Mechanics titled "Thermal cracking simulation of functionally graded materials using the combined finite–discrete element method"
July 2019
July 2019

Completed

Completed the PhD Exchange student program. 

October 2018
October 2018

Joined

Joined as a PhD Exchange student program. 

Publications

Sun, L., Tang, X., Aboayanah, K. R., Xu, X., Liu, Q., & Grasselli, G. (2024). Coupled hydro-mechanical two-phase flow model in fractured porous medium with the combined finite-discrete element method. Engineering with Computers.
Aboayanah, K. R., Sun, L., & Grasselli, G. (2023). Investigating Thermal Gradient Cracking and Fracture Process Zone Development in Granitic Rocks. International Geomechanics Symposium (p. 7). Presented at the International Geomechanics Symposium, Al Khobar, Saudi Arabia.
Sun, L., Tang, X., Abdelaziz, A., Liu, Q., & Grasselli, G. (2023). Stability analysis of reservoir slopes under fluctuating water levels using the combined finite-discrete element method. Acta Geotechnica.
Sun, L., Tang, X., Aboayanah, K. R., Zhao, Q., Liu, Q., & Grasselli, G. (2023). A coupled cryogenic thermo-hydro-mechanical model for frozen medium: Theory and implementation in FDEM. Journal of Rock Mechanics and Geotechnical Engineering.
Sun, L., Li, M., Abdelaziz, A., Tang, X., Liu, Q., & Grasselli, G. (2023). An efficient 3D cell-based discrete fracture-matrix flow model for digitally captured fracture networks. International Journal of Coal Science & Technology, 10(1), 70.
Sun, L., Tang, X., Li, M., Abdelaziz, A., Aboayanah, K., Liu, Q., & Grasselli, G. (2023). Flow simulation in 3D fractured porous medium using a generalized pipe-based cell-centered finite volume model with local grid refinement. Geomechanics for Energy and the Environment, 36.
Abdelaziz, A., Ha, J., Li, M., Magsipoc, E., Sun, L., & Grasselli, G. (2023). Understanding hydraulic fracture mechanisms: From the laboratory to numerical modelling. Advances in Geo-Energy Research, 7(1), 66–68.
Li, M., Magsipoc, E., Sun, L., Peterson, K., & Grasselli, G. (2022). High-resolution Mapping and Characterization of Shale Fractures Hydraulically Induced in the Laboratory.
Shao, Z., Sun, L., Aboayanah, K. R., Liu, Q., & Grasselli, G. (2022). Investigate the Mode I Fracture Characteristics of Granite After Heating/-LN2 Cooling Treatments. Rock Mechanics and Rock Engineering.
Sun, L., Liu, Q., Abdelaziz, A., Tang, X., & Grasselli, G. (2022). Simulating the entire progressive failure process of rock slopes using the combined finite-discrete element method. Computers and Geotechnics, 141, 104557.
Sun, L., Grasselli, G., Liu, Q., Tang, X., & Abdelaziz, A. (2022). The role of discontinuities in rock slope stability: Insights from a combined finite-discrete element simulation. Computers and Geotechnics, 147, 104788.
Aboayanah, K. R., Popoola, A., Abdelaziz, A., Sun, L., Ossetchkina, E., Peterson, K., & Grasselli, G. (2022). Effect of pre-existing cracks on thermal cracking of granitic rocks under confinement. Geomechanics and Geophysics for Geo-Energy and Geo-Resources, 8(4).
Sun, L., Liu, Q., Tao, S., & Grasselli, G. (2022). A novel low-temperature thermo-mechanical coupling model for frost cracking simulation using the finite-discrete element method. Computers and Geotechnics, 152.
Aboayanah, K. R., Popoola, A., Sun, L., Peterson, K., & Grasselli, G. (2021). Grain-Based Finite-Discrete Element Modeling of Thermal Cracking in Stanstead Granite (p. 7). Presented at the ARMA/DGS/SEG 2nd International Geomechanics Symposium, ARMA: American Rock Mechanics Association.
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.
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.
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, 7(5), 903–917.