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Project Summary

Gaining physics understanding and predictive capabilities to describe the evolution of plasma facing components (PFC) requires simultaneously addressing complex and diverse physics occurring over a wide range of length and time scales, as well as integrating extensive physical processes across the plasma - surface - bulk materials boundaries. This requires development not only of detailed physics models and computational strategies at each of these scales, but computer science algorithms and methods to strongly couple them in a way that can be robustly validated through comparisons against available data and new experiments. Therefore, the objective of this project is to develop robust, high-fidelity simulation tools capable of predicting the PFC operating lifetime and the PFC impact on plasma contamination, recycling of hydrogenic species, and tritium retention in future magnetic fusion devices, with a focus on tungsten based material systems. Deploying these tools requires the development of a leadershipscale computational code, as well as a host of simulations that span the multiple scales needed to address complex physical and computational issues at the plasma - surface interface and the transition below the surface where neutron damage processes in the bulk material dominate behavior in multiple-component materials systems. Successful development will enable improved prediction of PFC performance needed to ensure magnetic fusion energy development beyond ITER.

Team

 InstitutionPrincipal InvestigatorAdditional Participants
ANLTim Tautges (tautges@mcs.anl.gov)Emil M. Constantinescu, Jungho Lee, Vijay Mahadevan, Barry Smith

Alumni: Milad Fatenejad (U Chicago)
GA/DIII-DVincent Chan (chanv@fusion.gat.com)Adam McLean (LLNL on assignment at DIII-D)
LANLXianzhu Tang (xtang@lanl.gov)Jim Ahrens, David Higdon, Li-Ta "Ollie" Lo, Danny Perez, Luis Sandoval, Arthur Voter, Blas Uberuaga
ORNL*Brian D. Wirth* (wirthbd@ornl.gov)

Alexander "Sasha" Barashev, David E. Bernholdt, Jay Jay Billings, John Canik, Crystal Jernigan, Jeremy Meredith, Philip C. Roth, Roger Stoller,

Alumni: Stanislav Golubov

PNNLRick Kurtz (rj.kurtz@pnnl.gov)Howard Heinisch, Giridhar Nandipati, Kenny Roche, Wahyu Setyawan
UCSDSergei Krasheninnikov (skrash@mae.ucsd.edu)Roman Smrinov
UIUCDavid Ruzic (druzic@uiuc.edu)

Davide Curreli, Kyle Lindquist

UMassDimitrios Maroudas (maroudas@ecs.umass.edu)Lin Hu

* Lead Institution and Lead Principal Investigator

Sponsor

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.

Key Partners

AreaOrganizationPSI Point(s) of ContactPartner Point(s) of Contact
SciDAC InstitutesFASTMath – Frameworks, Algorithms, and Scalable Technologies for MathematicsBarry Smith (ANL), Tim Tautges (ANL) 
 QUEST – Quantification of Uncertainty in Extreme Scale ComputationsDavid Higdon (LANL)Omar Knio (Duke), Habib Najm (SNL)
 SUPER – Institute for Sustained Performance, Energy and ResiliencePhil Roth (ORNL) 
 SDAV—Scalable Data Management, Analysis and VisualizationJim Ahrens (LANL), Jeremy Meredith (ORNL) 
DOE Fusion Energy SciencesPlasma Surface Interactions (PSI) Science CenterBrian Wirth (ORNL/UTK)

Thibault Faney, Karl Hammond, Niklas Juslin, Faiza Sefta, Donghua Xu

Gaining Access to PSI Project-Only Spaces

This project keeps information in several places (wiki, code repository, etc).  To gain access to these places, follow these instructions:

  • This wiki: Access to project-only portions of this project wiki requires a collaborator account in Argonne's MCS division, with appropriate resource and group membership.  To obtain that account, go to https://accounts.mcs.anl.gov/index.php?tpl=request_identity.tpl and fill out the appropriate information:
    • List Tim Tautges as MCS sponsor, with "PSI SciDAC project" as justification for the account.
    • Request the "Confluence" resource under "Common MCS Resources" heading of the "Manage Resource Access" page.
    • Request membership to the "psi-scidac" group.
  • Once your MCS account is activated, browse to Collaboration Tools/Resources for information on other project resources (document/code repositories, email lists, etc.)

If you have any problems gaining access, please email Tim Tautges with questions.

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