Name: OpenMC Application to Tokamak Neutronics Analysis Meeting
Start: 2025-05-28T08:20:00-05:00
End: 2025-05-30T17:00:00-05:00
Location: Argonne National Laboratory

OpenMC Application to Tokamak Neutronics Analysis Meeting

from Wednesday, May 28, 2025 (8:20 AM) to Friday, May 30, 2025 (5:00 PM)

Monday, May 26, 2025
Tuesday, May 27, 2025
Wednesday, May 28, 2025
8:20 AM Introduction
8:20 AM - 8:55 AM
Room: Rooms 1404-1407
Contributions

8:20 AM Welcome

8:30 AM Introduction to OpenMC
8:55 AM Development
8:55 AM - 12:00 PM
Room: Rooms 1404-1407
Contributions

8:55 AM Towards an integrated nuclear analysis ecosystem for fusion: R2S and UQ pipelines - Ethan Peterson (MIT)

9:20 AM D1S scheme of OpenMC Monte Carlo code validation for SDR calculation - Bamidele Ebiwonjumi (MIT)

9:45 AM MCNP model conversion capabilities - Paul Romano (ANL)

10:25 AM OpenMC Development under FES Fusion Neutron Science - Paul Romano (ANL)

10:50 AM Fusion Neutronics Nuclear Data Sensitivity and Uncertainty Analysis - Bamidele Ebiwonjumi (MIT)

11:15 AM Variance Reduction in OpenMC - John Tramm (ANL)

11:40 AM Discussion
12:00 PM Lunch -- Open discussion on Development
Lunch -- Open discussion on Development
12:00 PM - 1:15 PM
Room: Rooms 1404-1407
1:15 PM Development
1:15 PM - 5:00 PM
Room: Rooms 1404-1407
Contributions

1:15 PM OpenMC GPU developments - John Tramm (MIT)

1:40 PM Reduced Precision Ray Tracing For Monte Carlo Simulations - Chris Marshall (University of Chicago)

2:05 PM GPU Acceleration of Unstructured Mesh Based Tallies (and Transport) in OpenMC - Jacob Merson (RPI)

2:30 PM Surface source methodology and application - Joffrey Dorville (ANL)

3:10 PM Cloud simulations with OpenMC in Sirepo (remote) - Stephen Coleman (RadiaSoft)

3:35 PM CAD ecosystem developments - Patrick Shriwise (ANL)

4:00 PM Visualization and data extraction - Patrick Shriwise (ANL)

4:25 PM Discussion / wrap-up
Thursday, May 29, 2025
8:00 AM US Experiences
8:00 AM - 12:00 PM
Room: Rooms 1404-1407
Contributions

8:00 AM OpenMC conversion and analysis of JET - Paul Romano (ANL)

8:25 AM Adaptation of OpenMC for atomic transport and plasma interaction (remote) - George Wilkie (PPPL)

8:50 AM Fusion Multiphysics and Tally Adaptive Mesh Refinement using OpenMC - April Novak (UIUC)

9:15 AM Towards Rigorous Validation of Particle Transport in CAD Geometries - Stefano Segantin (MIT)

9:55 AM Neutronics Feasibility of Transmuting Long-lived Fission Products in Fusion Reactors - Cihang Lu (BNL)

10:20 AM Application of OpenMC for Fusion Reactor Design and Assessment (FREDA) - Jin Whan Bae (ORNL)

10:45 AM Fusion Neutronics and Multi-physics Activities at the University of Tennessee - Ivan Maldonado (UTK)

11:10 AM Discussion
12:00 PM Lunch -- Open discussion on US Experiences
Lunch -- Open discussion on US Experiences
12:00 PM - 1:15 PM
Room: Rooms 1404-1407
1:15 PM US Experiences
1:15 PM - 4:00 PM
Room: Rooms 1404-1407
Contributions

1:15 PM Group Photo

1:25 PM An Overview of Neutronics Efforts at Thea Energy (remote) - Sam Pasmann (Thea Energy)

1:50 PM Neutronics-Informed Blanket Evaluation, Selection and Optimization for a Stellarator Fusion Pilot Plant - Bonita Goh (Type One Energy)

2:15 PM Neutronics optimization with nuclear data uncertainty - Enrique Miralles Dolz (PPPL)

2:55 PM OpenMC Simulations in Support of Realta Fusion's Magnetic Mirror Development - Joey Eickman (Realta Fusion)

3:20 PM OpenMC meets FEniCSx: a new framework for multiphysics simulations - Remi Delaporte-Mathurin (Massachusetts Institute of Technology)
4:00 PM ALCF Aurora Tour
ALCF Aurora Tour
4:00 PM - 5:00 PM
Room: Rooms 1404-1407
Friday, May 30, 2025
8:00 AM EU/UK Experiences
8:00 AM - 12:00 PM
Room: Rooms 1404-1407
Contributions

8:00 AM OpenMC usage and development for fusion simulations (remote) - Jonathan Shimwell (Proxima Fusion)

8:25 AM Neutronics with OpenMC at Kyoto Fusioneering (remote) - Colin Baus (Kyoto Fusioneering)

8:50 AM Supply and Demand of Tungsten in a Fleet of Fusion Power Plants (remote) - Gabriel Blackett (Oxford Sigma)

9:15 AM JADE, a robust and expandable platform for neutronics V&V (remote) - Davide Laghi (Fusion for Energy)

9:55 AM OpenMC for ITER Neutron Diagnostics Calibration (remote) - Giovanni Mariano (ITER)

10:20 AM F4E experience with OpenMC on ITER related problems - Aljaz Kolsek (Fusion for Energy)

10:45 AM Some reflections on OpenMC - Alex Valentine (UKAEA)

11:10 AM Discussion
12:00 PM Lunch -- Open discussion on EU/UK experiences
Lunch -- Open discussion on EU/UK experiences
12:00 PM - 1:15 PM
Room: Rooms 1404-1407
1:15 PM EU/UK Experiences
1:15 PM - 3:35 PM
Room: Rooms 1404-1407
Contributions

1:15 PM OpenMC and Related Developments at UKAEA (remote) - Andrew Davis (UKAEA)

1:40 PM Neutronics benchmarks at JET for validating Streaming and SDDR calculations - Rosaria Villari (ENEA)

2:05 PM First application of OpenMC for DTT neutronics analyses - Davide Flammini (ENEA)

2:45 PM SDDR calculations in a Simplified tokamak model using OpenMC R2S – New user testimony - Ylenia Ziber (JSI)

3:10 PM MCNP and OpenMC simulation benchmarks of DEMO and VNS for neutronics analysis in the Eurofusion programme - Jin Hun Park (KIT)
3:35 PM Closing
3:35 PM - 5:00 PM
Room: Rooms 1404-1407
Contributions

3:35 PM Closeout and Recommendations

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