PhD position at IFP Energies nouvelles (IFPEN) in Earth sciences, geomechanics Graded damage approach for modelling of fractured regions in subsurface
22 Mar 2024
Job Information
- Organisation/Company
IFP Energies nouvelles (IFPEN)- Research Field
Environmental science » Natural resources management
Geosciences » Other
Mathematics » Applied mathematics- Researcher Profile
First Stage Researcher (R1)- Country
France- Application Deadline
30 Sep 2024 - 00:00 (Europe/Paris)- Type of Contract
Temporary- Job Status
Full-time- Hours Per Week
35- Offer Starting Date
1 Nov 2024- Is the job funded through the EU Research Framework Programme?
Not funded by an EU programme- Is the Job related to staff position within a Research Infrastructure?
No
Offer Description
Application are invited for a full-time PhD position to work within the “Digital Earth” project of the PEPR (Programmes et Equipements Prioritaires de Recherche) exploratoire « Sous-sol – Bien Commun », which brings together Universities and Research Centres with the end goal of improving current knowledge of the physics of coupled phenomena in the subsurface. Key target of the project is to develop a unique Digital Earth platform, thereby giving access to a common quantitative knowledge of the subsurface in the form of skills and an associated digital set of coherent data, models, tools, and workflows.
Within this context, carbon capture and sequestration (CCS) is an important part of the strategy aiming at reducing the impact of human activities on climate change. Namely, geomechanical modelling of CO2 storage sites is an invaluable tool for managing the mechanical risks associated with CCS and in particular, their long-term integrity, which in turn requires accounting for possible rock fracturing.
A novel approach named "Graded damage" that is able to describe initiation and propagation of defects in quasi-brittle materials under mechanical loading has been recently developed. It consists of a gradient-based regularized model in which a local damage law is augmented via convex constraints of non-local type. The main purpose of the PhD thesis is to extend the graded damage framework to deal with damage of porous media under hydromechanical loads, with progressive feedback on both permeability and mechanical properties of the fractured rocks. The developed model and computational methods will be implemented in Code_Aster, a general-purpose finite element code with parallel architecture and HPC capabilities that is developed by Electricité de France (EDF), distributed under GPL licence and currently in use at IFPEN for thermo-hydro-mechanical couplings. The code will be used for CCS screening simulations.
This interdisciplinary project, at the crossroad of Earth Sciences and Mechanics, is expected to bring major advancements in the field of multi-physics modelling of the subsurface and to significantly contribute to the understanding of the mechanics of fracture in natural media.
Requirements
- Research Field
- Physics » Computational physics
- Education Level
- Master Degree or equivalent
Skills/Qualifications
good konwledge in solid mechanics, damage mechanics, fracture mechanics, fluid flow in porous media, discretization of PDE, applied maths, scientific computing
- Languages
- ENGLISH
- Level
- Basic
- Languages
- ITALIAN
- Level
- Basic
- Languages
- FRENCH
- Level
- Basic
- Years of Research Experience
- None
Additional Information
Work Location(s)
- Number of offers available
- 1
- Company/Institute
- ifpen
- Country
- France
- City
- Rueil Malmaison
- Postal Code
- 92500
- Street
- Avenue de Bois préau
- Geofield
Where to apply
[email protected]
Contact
- City
Rueil-Malmaison- Website
http://www.ifpenergiesnouvelles.com/- Street
4 avenue de Bois-Préau- Postal Code
92852
[email protected]
STATUS: EXPIRED
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