Name: DFN Modelling Workshop for Nuclear Waste Repositories – 9th – 12th of June 2026
Start: 2026-06-09T10:00:00+02:00
End: 2026-06-12T16:00:00+02:00
Location: Sweden, Uppsala Universitet, Ångströmlaboratoriet

DFN Modelling Workshop for Nuclear Waste Repositories – 9th – 12th of June 2026

from Tuesday, 9 June 2026 (10:00) to Friday, 12 June 2026 (16:00)

Monday, 8 June 2026
Tuesday, 9 June 2026
10:00 Presentations: Morning
Morning
10:00 - 13:00
Room: 2003 Lärosal
Contributions

10:15 Fracture Orientation Uncertainty is Your Friend! (Provided it is Thoroughly Evaluated) - Martin Stigsson (SKB)

10:35 Challenges of DFN Generation in Complex Geological Models: The Äspö HRL Example - Anne Gehrke

10:55 Evaluating DFN Generation Methods for Fracture Network Topology in Crystalline Rock - Sarah Weihmann (Chair of Repository Safety, RWTH Aachen University)

11:45 FracLab: A Robust 3D DFN Generator for Coupled Process Modelling for Fractured Media - Chuanyin Jiang (Uppsala University)

12:05 Hydro-mechanical coupling in deposition tunnels - Brandon Stock (Stockholm University)

12:25 Fracture Trace-Constrained Conditional Simulation for 3D Fracture Network Extrapolation: Application to Nuclear Waste Repository Development - Chuanyin Jiang (Uppsala University)
13:00 Lunch break
Lunch break
13:00 - 14:15
14:15 Presentations: Afternoon
Afternoon
14:15 - 15:35
Room: 2003 Lärosal
Contributions

14:15 Numerical simulation of damage evolution around the PF/PF-A experiment borehole in faulted Opalinus Clay - Muhammad Raharsya Andiva (Uppsala University)

14:35 From classical DFN flow problems to coupled thermal-hydrological and transport challenges - Andrew Frampton (Department of Physical Geography, Stockholm University, Sweden)

14:55 Hydraulic Fracturing by Supercritical CO2 Injection Considering Rock Microstructure - Weihong Yuan
15:35 Networking event
Networking event
15:35 - 17:05

19:00 Dinner Kottkokochbar
Dinner Kottkokochbar
19:00 - 21:00
Wednesday, 10 June 2026
10:00 Demos/Hackathons: Morning
Morning
10:00 - 13:00
Room: 2003 Lärosal
Contributions

10:00 An introduction to PorePy for flow simulations - Eirik Keilegavlen (University of Bergen)
13:00 Lunch break
Lunch break
13:00 - 14:00
14:00 Demos/Hackathons: Afternoon
Afternoon
14:00 - 17:00
Room: 2003 Lärosal
Contributions

14:00 Simulating DFNs and fracture-scale processes using OpenGeoSys - Thomas Nagel (TU Bergakademie Freiberg) Mostafa Mollaali (TU Bergakademie Freiberg)
19:00 Dinner Tapas Iberico
Dinner Tapas Iberico
19:00 - 21:00
Thursday, 11 June 2026
10:00 Presentations: Presentations
Presentations
10:00 - 12:45
Room: 2003 Lärosal
Contributions

10:00 Input Data for DFN Modelling: Research Data and Deterministic Modelling - Antti Joutsen (Posiva)

11:00 From fracture data to DFN for the Safety Case - Antti Poteri

12:00 Bridging DFN and impact of operational phase modelling - Virve Iisalmi (Posiva Oy)
12:45 Lunch
Lunch
12:45 - 14:00

14:00 Closing discussion and field trip info
Closing discussion and field trip info
14:00 - 14:30
Room: 2003 Lärosal
Friday, 12 June 2026

08:30 Travels to Forsmark
Travels to Forsmark
08:30 - 10:00

10:00 BR&HP How does a core look like and what do we get out of it
BR&HP How does a core look like and what do we get out of it
10:00 - 11:00

11:00 BR&HP Geological mapping of the extension of the SFR facility, how do we do it and what data can you expect
BR&HP Geological mapping of the extension of the SFR facility, how do we do it and what data can you expect
11:00 - 12:00

12:00 Lunch
Lunch
12:00 - 13:00

13:00 BR&HP Field visit to the Pool frogs and Liparis loeselii
BR&HP Field visit to the Pool frogs and Liparis loeselii
13:00 - 14:30

14:30 Travels back to Uppsala
Travels back to Uppsala
14:30 - 16:00