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Predicting the Performance and Impact of Dynamic PFC Surfaces

Project Summary

The objective of this project is to develop, and integrate, high-performance simulation tools capable of predicting plasma facing component (PFC) operating lifetime and the impact of the evolving surface morphology and composition of tungsten-based PFCs on plasma contamination, including the dynamic recycling of fuel species and tritium retention, in future magnetic fusion devices. This project will enable discovery of phenomena controlling critical PFC performance issues, and quantitatively predict their impact on both steady-state and transient plasma conditions. The outcome of this project will be a suite of coupled plasma and materials modeling tools, and a leadership class PFC simulator to predict PFC evolution and feedback to the boundary plasma. Success in the proposed research tasks will enable the prediction of both plasma fueling and the sources of impurity contamination that impact core plasma performance, and will lay the foundation for understanding, designing and developing the materials required to meet the performance objectives of future fusion reactors.

This project builds upon our SciDAC-3 project: Plasma Surface Interactions: Bridging from the Surface to the Micron Frontier through Leadership Computing

Publications and Presentations


InstitutionPrincipal InvestigatorAdditional Participants

Richard Mills ([email protected])

Shashi Aithal

Alumni: Barry Smith

GA/DIII-DJerome Guterl

Rui Ding, Orso Meneghini

Alumni: Phil Snyder


Blas Uberaga ([email protected])

Zach Bergstrom, Sham Bhat, Peter Hatton, Enrique Martinez, Nithin Mathew, Danny Perez

Alumni: Arthur Voter

LLNLIlon Joseph ([email protected])

Mikhail Dorf, Milo Dorr, Debojyoti Ghosh, Maxim Umansky

ORNL*Brian D. Wirth* ([email protected])

David E. Bernholdt, John Canik, Philip Fackler, David L. Green, Cory Hauck, Harry Hughes, James Kress, Jeremy Lore, David Pugmire, Philip C. Roth, Pablo Seleson, Phil Snyder, Tim Younkin

Alumni: Clayton Webster

PNNLWahyu Setyawan ([email protected])Rick Kurtz, Giridhar Nandipati, Kenny Roche

RPIMark Shephard ([email protected])Dhyanjyoti Nath, Onkar Sahni, Cameron Smith, Vignesh Vittal Srinivasaragavan

SNLHabib Najm ([email protected])Tiernan Casey, Mary Alice Cusentino, Khachik Sargsyan, Pieterjan Robbe, Aidan Thompson, Mitch Wood

UCLAJaime MarianQianran Yu

UCSDSergei Krasheninnikov ([email protected])

Roman Smirnov, Matthew Baldwin

Alumni: Russ Doerner

UIUCDavide Curreli ([email protected])

Jon Drobny, Rinat Khaziev

UMassDimitrios Maroudas ([email protected])Chao-Shou (Josh) Chen, Asanka Weerasinghe
U MissouriKarl Hammond ([email protected])Brandon Laufer, Brandon Lee

U Tennessee - KnoxvilleBrian Wirth ([email protected])

Sophie Blondel, Dwaipayan Dasgupta, Alyssa Hayes, Ane Lasa, Yogendra Panchal, Li Yang

* Lead Institution and Lead Principal Investigator


This project is part of the Scientific Discovery through Advanced Computing (SciDAC) program, and is jointly sponsored by the Fusion Energy Sciences (FES) and Advanced Scientific Computing Research (ASCR) programs within the U.S. Department of Energy Office of Science.  The period of performance is 2017-09-01/2022-08-31.

Key Partners

ProgramProjectJoint Participants (Primary Liaison)
SciDAC Fusion Projects

AToM - Advanced Tokamak Modeling Environment

David E. Bernholdt (ORNL), Mikhail Dorf (LLNL), Milo Dorr (LLNL), David L. Green (ORNL), Phil Snyder (GA), Maxim Umansky (LLNL)

Center for Integrated Simulation of Fusion Relevant RF Actuators

Davide Curreli (UIUC), David L. Green (ORNL), Ilon Joseph (LLNL), Maxim Umansky (LLNL)
Partnership Center for High-fidelity Boundary Plasma Simulations (HBPS)
Davide Curreli (UIUC), Mark Shephard (RPI)
FES Theory and ASCR Math ProgramsEdge Simulation Laboratory (ESL)Mikhail Dorf (LLNL), Milo Dorr (LLNL),  Sergei Krasheninnikov (UCSD), Phil Snyder (GA)
SciDAC Nuclear Energy Projects

Advancing Understanding of Fission Gas Behavior in Nuclear Fuel through Leadership Class Computing

David E. Bernholdt (ORNL), Sophie Blondel (UTK), James Kress (ORNL), Rick Kurtz (PNNL), David Pugmire (ORNL), Kenny Roche (PNNL), Philip C. Roth (ORNL), Barry Smith (ANL), Blas Uberaga (LANL), Brian Wirth (UTK/ORNL)

Simulation of Fission Gas in Uranium Oxide Nuclear FuelDavid E. Bernholdt (ORNL), Sophie Blondel (UTK), James Kress (ORNL), Habib Najm (SNL), David Pugmire (ORNL), Philip C. Roth (ORNL), Barry Smith (ANL), Blas Uberaga (LANL), Brian Wirth (UTK/ORNL)
SciDAC InstitutesFASTMath – Frameworks, Algorithms, and Scalable Technologies for Mathematics

Sham Bhat (LANL), Habib Najm (SNL), Khachik Sargsyan (SNL), Onkar Sahni (RPI), Mark Shephard (RPI), Barry Smith (ANL)

RAPIDS - Resource and Application Productivity through computing, Information, and Data ScienceDavid Bernholdt (ORNL), James Kress (ORNL), David Pugmire (ORNL), Phil Roth (ORNL)

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