PhD in Geotechnical Engineering
École Nationale des Ponts et Chaussées, Laboratoire Navier
Supervisors: Siavash Ghabezloo, Patrick Dangla, Philipp Braun
Junfeng Ren
PhD Candidate in Geotechnical Engineering
École Nationale des Ponts et Chaussées · Laboratoire Navier
[email protected]About Me
I work on the thermo-hydro-mechanical behaviour of Callovo-Oxfordian claystone for the deep geological disposal of radioactive waste.
My research combines laboratory testing, constitutive modelling and finite-element simulation to evaluate how in situ thermal loading affects poro-mechanical and viscoplastic behaviour.
- Experimental isotropic and triaxial THM testing
- Poro-elasto-viscoplastic constitutive modelling in MFront
- Numerical simulation with FEniCSx
Education
Engineering Degree in Civil Engineering
École Nationale des Ponts et Chaussées, double degree
Master's Degree in Highway Engineering
Southeast University, double degree
Bachelor's Degree in Road Engineering
Southeast University
News
Selected Publications
view allJournal article · Open access
Poro-elasto-viscoplastic Behaviour of In Situ-Heated Callovo-Oxfordian Claystone: Laboratory Investigation and Constitutive Modelling
Junfeng Ren, Philipp Braun, Carlos Plúa, Minh-Ngoc Vu, Gilles Armand, Siavash Ghabezloo
Rock Mechanics and Rock Engineering, 2026
Conference paper
Laboratory and Numerical Investigation on the Poro-Elasto-Visco-Plastic Behaviour of In-Situ Heated Callovo-Oxfordian Claystone
Junfeng Ren, Philipp Braun, Siavash Ghabezloo, Carlos Plúa, Minh Ngoc Vu
3rd International Conference on Energy Geotechnics, Paris, 2025
Posters
reserved for upcoming uploadsConference poster
Placeholder
Award poster
Placeholder
Research figure
Placeholder
Contact
I am interested in postdoctoral opportunities in experimental and numerical rock mechanics, underground storage and geothermal systems.