Workshop I: Multi-Fidelity Methods for Fusion Plasma Physics - IPAM

Workshop I: Multi-Fidelity Methods for Fusion Plasma Physics

Part of the Long Program Multi-Fidelity Methods for Fusion Energy
March 23 - 26, 2026

Schedule

All times in this Schedule are Pacific Time (PT)

Monday, March 23, 2026

Morning Session

Session Chair: Frank Jenko
08:00-08:55
Check-In/Breakfast (Hosted by IPAM)
08:55-09:00
Welcome and Opening Remarks
09:00-09:45
Victor Artigues (Max-Planck-Institut)
Plasma Turbulence in TensorFlow: Reduced Models and Optimization
10:00-10:15
Break
10:15-11:00
Elizabeth Qian (Georgia Institute of Technology)
Multifidelity control variates for supervised learning
11:15-11:30
Break
11:30-12:15
Amanda Howard (Pacific Northwest National Laboratory)
Multifidelity, domain decomposition, and stacking for improving training for physics-informed networks

Afternoon Session

12:15-14:30
Lunch (on your own)
Session Chair: Elizabeth Qian
14:30-15:15
Kentaro Hara (Stanford University)
Multi-fluid, high-order moment models for partially ionized plasmas
15:30-16:00
Break
16:00-16:45
Bryan Reuter (Sandia National Laboratories)
Enhancing Particle-Based Kinetic Methods Through Multifidelity Discretizations
17:00-17:15
Lightning Poster Round
17:15-18:30
Poster Session & Reception (Hosted by IPAM)

Tuesday, March 24, 2026

Morning Session

Session Chair: Amanda Howard
08:00-09:00
Check-In/Breakfast (Hosted by IPAM)
09:00-09:45
Ben Zhu (Columbia University)
A multi-fidelity approach in boundary plasma modeling
10:00-10:15
Break
10:15-11:00
George Holt (UK Atomic Energy Authority )
Machine Learning Acceleration of Tokamak Scrape-Off Layer Modelling
11:15-11:30
Break
11:30-12:15
Philipp Ulbl (Max Planck Institute for Plasma Physics)
Multi-fidelity simulations of turbulence in the plasma edge and scrape-off layer

Afternoon Session

12:15-14:30
Lunch (on your own)
Session Chair: Frank Jenko
14:30-15:15
Discussion
15:30-16:00
Break
16:00-16:45
Discussion

Wednesday, March 25, 2026

Morning Session

Session Chair: Emily Belli
08:00-09:00
Check-In/Breakfast (Hosted by IPAM)
09:00-09:45
Gabriele Merlo (Max Plank Institute for Software Systems)
Multi-fidelity approach to the multiscale nature of plasma turbulence in stellarators
10:00-10:15
Break
10:15-11:00
David Hatch (University of Texas at Austin)
Bridging the pedestal gap: intermediate-fidelity models for pedestal transport
11:15-11:30
Break
11:30-12:15
Alex Gorodetsky (University of Michigan)
Beyond hierarchies: generalized structural exploitation in multi-fidelity sampling and learning

Afternoon Session

12:15-12:20
Group Photo
12:20-14:30
Lunch (on your own)
Session Chair: Emily Belli
14:30-15:15
Maximilian Ruth (University of Texas at Austin)
A Statistical Magnetohydrodynamic Equilibrium Model
15:30-16:00
Break
16:00-16:45
Discussion

Thursday, March 26, 2026

Morning Session

Session Chair: Alex Gorodetsky
08:00-09:00
Check-In/Breakfast (Hosted by IPAM)
09:00-09:45
Anirban Chaudhuri (UT Austin Oden Institute)
Multifidelity surrogates and decision-making for digital twins
10:00-10:15
Break
10:15-11:00
Ammar Hakim (Princeton Plasma Physics Lab)
On Constructing Numerical Schemes for a Hierarchy of Fusion Plasma Problems
11:15-11:30
Break
11:30-12:15
Scott Parker (University of Colorado Boulder)
Blobby turbulence and sheath models for estimating the heat load at the divertor plate

Afternoon Session

12:15-14:30
Lunch (on your own)
Session Chair: George Holt
14:30-15:15
Genia Vogman (Lawrence Livermore National Laboratory)
Characterizing anomalous transport in pulsed power with continuum kinetic simulations and reduced transport models
15:30-16:00
Break
16:00-16:45
Tomo-Hiko Watanabe (Nagoya University)
Multi-scale turbulence and isotope effects on the trapped electron mode
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