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  • 2015

    • A. Lasa, E. Safi, K. Nordlund. "Multi-scale modeling to relate Be surface temperatures, concentrations and molecular sputtering yields." 57th Annual Meeting of the American Physical Society Division of Plasma Physics, Savannah, Georgia, November 18, 2015.
    • J. Drobny, K. Lindquist, and D. Ruzic. "Improved Fractal Surface Algorithm for Modeling Evolving Surface Roughness in Dynamic-Composition BCA Codes." 57th Annual Meeting of the American Physical Society Division of Plasma Physics, Savannah, Georgia, November 18, 2015.
    • R. Ding, T. Abrams, C. P. Chrobak, H. Y. Guo, P. B. Snyder, V. S. Chan, D. L. Rudakov, P. C. Stangeby, J. D. Elder, D. Tskhakaya, W. R. Wampler, A. Kirschner, and A. G. McLean. "Modeling of material erosion and redeposition for dedicated DiMES experiments on DIII-D." 57th Annual Meeting of the American Physical Society Division of Plasma Physics, Savannah, Georgia, November 18, 2015.
    • M. A. Cusentino, B. D. Wirth. "Large-scale MD simulations investigating H plasma interactions with tungsten surfaces," 57th Annual Meeting of the American Physical Society Division of Plasma Physics, Savannah, Georgia, November 18, 2015.
    • Z. Bergstrom, M. A. Cusentino, and B. D. Wirth. "A Molecular Dynamics Study of Sub-Surface Mixed Hydrogen-Helium Bubbles in Tungsten," 57th Annual Meeting of the American Physical Society Division of Plasma Physics, Savannah, Georgia, November 18, 2015.
    • P. C. Stangeby and J. M. Canik. "Two-point Analysis of SOLPS Modeling for a Slot Divertor," 57th Annual Meeting of the American Physical Society Division of Plasma Physics, Savannah, Georgia, November 18, 2015.
    • J. Canik and X. Tang. "Improving the sheath model used in plasma fluid transport codes," 57th Annual Meeting of the American Physical Society Division of Plasma Physics, Savannah, Georgia, November 18, 2015.
    • X. Tang and Z. Guo. "Why ions enter the sheath entrance at supersonic speed?" 57th Annual Meeting of the American Physical Society Division of Plasma Physics, Savannah, Georgia, November 18, 2015.
    • R. D. Smirnov and S. I. Krasheninnikov. "He bubble growth and interaction in W nano-tendrils." Oral. 57th Annual Meeting of the American Physical Society Division of Plasma Physics, Savannah, Georgia, November 18, 2015.
    • D. Ruzic, P. Fiflis, K. K. Kalathiparambil. "Development of nanostructures on plasma facing components," 57th Annual Meeting of the American Physical Society Division of Plasma Physics, Savannah, Georgia, November 18, 2015.
    • D. Maroudas, L. Hu, K. D. Hammond, and B. D. Wirth. "Analysis of Helium Segregation on Surfaces of Plasma-Exposed Tungsten." 57th Annual Meeting of the American Physical Society Division of Plasma Physics, Savannah, Georgia, November 18, 2015.
    • Z. Yang and B. D. Wirth, "Deciphering gas implantation rate effects on bubble nucleation in tungsten," 57th Annual Meeting of the American Physical Society Division of Plasma Physics, Savannah, Georgia, November 18, 2015.
    • S. I. Krasheninnikov and R. D. Smirnov. "On He cluster dynamics in W." Oral. 57th Annual Meeting of the American Physical Society Division of Plasma Physics, Savannah, Georgia, November 18, 2015.
    • B. P. Uberuaga, L. Sandoval, D. Perez, and A. Voter. "Accelerated Molecular Dynamics studies of He Bubble Growth in Tungsten," 57th Annual Meeting of the American Physical Society Division of Plasma Physics, Savannah, Georgia, November 18, 2015.
    • L. Hu, K. D. Hammond, B. D. Wirth, and D. Maroudas. "Analysis of Helium Cluster Dynamics Near Grain Boundaries of Plasma-Exposed Tungsten." 57th Annual Meeting of the American Physical Society Division of Plasma Physics, Savannah, Georgia, November 18, 2015.
    • S. Blondel, D. Maroudas, L. Hu, K. D. Hammond, and B. D. Wirth. "Cluster Dynamcis Modeling of Helium Accumulation Kinetics in Tungsten Exposed to Low-Energy Helium Plasma". 57th Annual Meeting of the American Physical Society Division of Plasma Physics, Savannah, Georgia, November 18, 2015.
    • G. Nandipati, W. Setyawan, H. Heinisch, K. Roche, R. Kurtz , and B. D. Wirth. "Object Kinetic Monte Carlo Simulations of Radiation Damage In Bulk Tungsten," 57th Annual Meeting of the American Physical Society Division of Plasma Physics, Savannah, Georgia, November 18, 2015.
    • J. Guterl, R. Smirnov, and S. Krashenninikov. "Revisiting reaction-diffusion model of thermal desorption spectroscopy experiments on hydrogen retention in material for fusion applications." Oral. 57th Annual Meeting of the American Physical Society Division of Plasma Physics, Savannah, Georgia, November 17, 2015.
    • R. Ding, H.Y. Guo, V.S. Chan, P.B. Snyder, D.L. Rudakov, P.C. Stangeby, J. D. Elder, D. Tskhakaya, W.R. Wampler, A. Kirschner, A.G. McLean, “Modeling of high-Z materials erosion and its suppression in DIII-D”, Oral, 57th Annual APS Meeting Division of Plasma Physics, Savannah, GA, USA, 16 November 2015
    • K. D. Hammond, L. Hu, D. Maroudas, and B. D. Wirth. "Microsecond-Length Atomistic Simulations of Plasma-Facing Materials." AIChE Annual Meeting, Salt Lake City, Utah, November 9, 2015.
    • L. Hu, K. D. Hammond, B. D. Wirth, and D. Maroudas, "Analysis of Mobile Helium Cluster Reactions Near Surfaces and Grain Boundaries of Plasma-Exposed Tungsten." AIChE Annual Meeting, Salt Lake City, Utah, November 9, 2015.
    • B.D. Wirth, on behalf of SciDAC-PSI team, SciDAC-PSI: Plasma Surface Interactions Involving Tungsten, 2015 SciDAC-PI Meeting, Bethesda, MD, July 24, 2015.
    • B.P. Ubueraga, on behalf of SciDAC-PSI team, Plasma-Surface Interactions (PSI): Atomistic Insights into He Transport and Agglomeration in Plasma-Exposed Tungsten, 2015 SciDAC-PI Meeting, Bethesda, MD, July 24, 2015.
    • S. I. Krasheninnikov. "On the physics of the first wall in fusion devices." Oral. 10th International A.A. Kurdiumov school of young scientists and 6th International Conference on Interaction of Hydrogen Isotopes with Structural Materials, Moscow, Russia, June 29- July 3, 2015.
    • R. Ding, P.C. Stangeby, D.L. Rudakov, J.D. Elder, D. Tskhakaya, A. Kirschner, W.R. Wampler, A.G. McLean, H.Y. Guo, V.S. Chan, P.B. Snyder, “ERO Modelling of Gross and Net erosion of High-Z Materials in DIII-D DiMES Experiments”, Oral, 21st ITPA Divertor-SOL Topical Group Meeting, Princeton, NJ, USA, 10 June 2015

    • B.D. Wirth, Y. Katoh, R.J. Kurtz, and L.L. Snead, “Multiscale Computational Modeling and Materials Research for Next-Step Devices after ITER”, Invited Plenary Talk, Symposium on Fusion Energy (SOFE) 2015, Austin, TX, 3 June 2015.

    • S. I. Krasheninnikov and R. D. Smirnov. "He cluster dynamics in W in the presence of cluster induced formation of He traps." Poster. 15th International Conference on Plasma-Facing Materials and Components for Fusion Applications, Aix-en-Provence, France, May 19, 2015.
    • J. Guterl, R. D. Smirnov, and S. I. Krasheninnikov. "Modelling of hydrogen isotopes retention in plasma-facing components of magnetic fusion reactor." Poster. 15th International Conference on Plasma-Facing Materials and Components for Fusion Applications, Aix-en-Provence, France, May 19, 2015.
    • L. Sandoval, D. Perez, B. P. Uberuaga, and A. F. Voter, Growth of Helium Bubbles in Tungsten under Realistic Rates, Keynote talk at 2015 OLCF Users Meeting: Reaching for the Summit Together, Oak Ridge, TN, June 2015.

    • W. Setyawan, G. Nandipati, K.J. Roche, R.J. Kurtz, and B.D. Wirth. "Computer Simulation of Radiation Damage in Tungsten." 5th International Conference on Plasma-Facing Materials and Components, Aix-en-Provence, France, May 21, 2015. (poster)
    • K. D. Hammond and B. D. Wirth. “Microsecond-Long Atomistic Simulations of Plasma-Facing Tungsten.” 15th International Conference on Plasma-Facing Materials and Components, Aix-en-Provence, France, May 19, 2015. (poster)

    • Z. Yang, K. D. Hammond, J. J. Billings, B. D. Wirth, and D. Bernholdt, "Kinetic Monte Carlo Simulations of Helium Cluster Nucleation Rates in Tungsten Via Self-Trapping or Pre-Existing Vacancy Trapping," 15th International Conference on Plasma-Facing Materials and Components, Aix-en-Provence, France, 21 May 2015. (poster)
    • S. Blondel, et al., "Helium Retention in Tungsten with the Xolotl Plasma–Surface Interactions Simulator," 15th International Conference on Plasma-Facing Materials and Components, Aix-en-Provence, France, 21 May 2015. (poster)
    • B.D. Wirth on behalf of SciDAC-PSI team, “Modeling Plasma Surface Interactions involving He on Tungsten”, Southwestern Institute of Physics Plasma – Materials Interactions Workshop, Chengdu, China, 20 April 2015.

    • W. Setyawan, G. Nandipati, K.J. Roche, R.J. Kurtz, B.D. Wirth, “Modeling Radiation Damage in Bulk Tungsten Under Fusion Conditions,” Oral. Symposium on Microstructural Processes in Irradiated Materials, TMS 2015 144th Annual Meeting & Exhibition, Orlando, FL, 18 March 2015.
  • 2014

    • B.D. Wirth, J. Billings, S. Blondel, T. Faney, K.D. Hammond, L. Hu, N. Juslin, S. Krasheninnikov, D. Maroudas, F. Sefta, and D. Xu, “Helium Gas Clustering Dynamics in Tungsten Exposed to Helium Plasmas”, University of Illinois, Urbana-Champaign, 18 November 2014.

    • L. Hu, K. D. Hammond, B. D. Wirth, and D. Maroudas. "Transport and Reactions of Mobile Helium Clusters Near Surfaces and Grain Boundaries of Plasma-Exposed Tungsten." AIChE annual meeting, Atlanta, Georgia, November 16, 2014.
    • K. D. Hammond and B. D. Wirth, "Large-Scale Simulation of Plasma-Facing Materials for Tokamaks and Linear Devices," AIChE annual meeting, Atlanta, Georgia, November 16, 2014.
    • L. Sandoval, D. Perez, B. P. Uberuaga, and A. F. Voter, Growth of Helium Bubbles in Tungsten under Realistic Rates, invited talk, Joint ICTP-IAEA Conference on Models and Data for Plasma-Material Interaction in Fusion Devices, Trieste, Italy, November 2014.
    • A.V. Barashev, H. Xu, and R.E. Stoller,   SEAKMC modeling of helium clusters and cluster reactions , Joint ICTP-IAEA Conference on Models and Data for Plasma-Material Interaction in Fusion Devices, Trieste, Italy, November 2014.

    • B.D. Wirth, J. Billings, S. Blondel, M.A. Cusentino, T. Faney, K. Hammond, L. Hu, S. Krasheninnikov, D. Maroudas, D. Perez, L. Sandoval, F. Sefta, B. Uberuaga, D. Xu, and Z. Yang, “Helium Gas Clustering Dynamics in Tungsten Exposed to Helium Plasmas”, ICTP-IAEA Conference on Models and Data for Plasma-Materials Interaction in Fusion Devices, Trieste, Italy, 4 November 2014.
    • B.D. Wirth, J. Billings, S. Blondel, M.A. Cusentino, K. Hammond, L. Hu, S. Krasheninnikov, D. Maroudas, D. Perez, L. Sandoval, B. Uberuaga, and D. Xu, “Evaluating implantation rate effects on helium bubble nucleation and evolution kinetics in tungsten exposed to helium plasmas”, ITPA DivSol Meeting, Prague, 22 October 2014.
    • W. Setyawan, G. Nandipati, K.J. Roche, R.J. Kurtz, B.D. Wirth, Poster. “Modeling Radiation Damage in Tungsten for Fusion Plasma Facing Applications,” Symposium on Fusion Technology, San Sebastian, Spain, 1 October 2014.
    • David E. Bernholdt, SciDAC-PSI: Plasma-Surface Interactions Involving Helium, invited talk, Japan/United States Exascale Applications Workshop, Gatlinburg, TN, September 2014.

    • Sophie Blondel, Xolotl: a Plasma-Surface Interaction Simulator, invited poster, Smoky Mountains Computational Sciences and Engineering Conference, Gatlinburg, TN, USA, September 2014.
    • B.D. Wirth, J. Billings, S. Blondel, T. Faney, K. Hammond, L. Hu, N. Juslin, S. Krasheninnikov, D. Maroudas, F. Sefta, and D. Xu, “Helium Gas Clustering Dynamics in Tungsten Exposed to Helium Plasmas”, Princeton Plasma Physics Laboratory, 19 August 2014.

    • Brian Wirth, SciDAC-PSI: Plasma Surface Interactions Involving He , invited talk, Scientific Discovery through Advanced Computing (SciDAC-3) Principal Investigator Meeting, Washington, DC, USA, July, 2014.
    • K. D. Hammond, and B. D. Wirth, Large-Scale Atomistic Simulations of Helium-Irradiated Tungsten, contributed poster, Scientific Discovery through Advanced Computing (SciDAC-3) Principal Investigator Meeting, Washington, DC, USA, July, 2014.
    • J. Billings, S. Blondel, C. Jernigan, J. Meredith, and P. Roth, Data Visualization/Analysis and Performance Support In The XOLOTL Plasma Surface Interactions Model, contributed poster, Scientific Discovery through Advanced Computing (SciDAC-3) Principal Investigator Meeting, Washington, DC, USA, July, 2014.
    • S. Blondel, C. Jernigan, D. Higdon, O. Knio, H. Najm, K. Sargsyan, and J. Billings, UQ: Uncertainty Quantification for Xolotl, contributed poster, Scientific Discovery through Advanced Computing (SciDAC-3) Principal Investigator Meeting, Washington, DC, USA, July, 2014.
    • J. Billings, S. Blondel, C. Jernigan, A. Belt, D. Bernholdt, D. Higdon, O. Knio, A. McCaskey, J. Meredith, H. Najm, P. Roth, K. Sargsyan, B. Wirth, and T. Yamaguchi-Phillips, XOLOTL: A Plasma Surface Interactions Simulator, contributed poster, Scientific Discovery through Advanced Computing (SciDAC-3) Principal Investigator Meeting, Washington, DC, USA, July, 2014.
    • Karl D. Hammond and Brian D. Wirth, Modeling of Tungsten Surface Evolution Due to Low-Energy Helium Plasma Exposure.  USA/Japan Workshop on Plasma-facing Materials, June 2014.
    • B.D. Wirth, Modeling Plasma Surface Interactions in Tungsten through High Performance Computing, Plenary Review Talk, 21st International Conference on Plasma Surface Interactions (21st PSI), Kanazawa, Japan, 29 May 2014.
    • Karl D. Hammond, Faiza Sefta, Thibault Faney, Niklas Juslin, Donghua Xu, and Brian D. Wirth, Modeling of Tungsten Surface Evolution Due to Low-Energy Helium Plasma Exposure, Lorentz Workshop, Leiden, the Netherlands, January 2014.
    • R.D. Smirnov, S.I. Krasheninnikov, and J. Guterl, Atomistic modeling of growth and coalescence of helium nano-bubbles in tungsten, poster, 21st International Conference on Plasma Surface Interactions, Kanazawa, Japan, May 26-30, 2014.
    • J. Guterl, R.D. Smirnov, S.I. Krasheninnikov, B. Uberuaga, A.F. Voter, and D. Perez, Modeling of hydrogen desorption from tungsten surface, poster, 21st International Conference on Plasma Surface Interactions, Kanazawa, Japan, May 26-30, 2014.
    • S.I. Krasheninnikov, J. Guterl, R.D. Smirnov, E.D. Marenkov, and A.A. Pisarev, On plasma-material interaction in magnetic fusion devices, poster, 41st EPS Conference on Plasma Physics, Berlin, Germany, June 23-27, 2014.
    • S.I. Krasheninnikov, J. Guter, A.Yu. Pigarov, R.D. Smirnov, W. Lee, E.D. Marenkov, and A.A. Pisarev, Plasma-material interaction issues in magnetic fusion devices, oral, 25th IAEA Fusion Energy Conference, Saint Petersburg, Russia, October 13-18, 2014.
    • S. Krasheninnikov, MD modeling of He bubble growth in W and H desorption from W surface”, oral, 20th ITPA Scrape-Off Layer & Divertor Topical Group Meeting, Prague, Czech Republic, October 20-23, 2014.
    • R.D. Smirnov, S.I. Krasheninnikov, and J. Guterl, Molecular dynamics simulations of growth and coalescence of helium nano-bubbles in tungsten, poster, 56th Annual Meeting of the APS Division of Plasma Physics, New Orleans, LA, October 27-31, 2014.
    • J. Guterl, R. Smirnov, and S. Krasheninnikov, Effects of hydrogen surface processes on hydrogen retention in plasma facing components, poster, 56th Annual Meeting of the APS Division of Plasma Physics, New Orleans, LA, October 27-31, 2014.
    • J. Guterl, R. D. Smirnov, S. I. Krasheninnikov, B. Uberuaga, A. F. Voter and D. Perez, Modeling of hydrogen desorption from tungsten surface, poster, 2014 Joint ICTP-IAEA Conference on Models and Data for Plasma-Material Interaction in Fusion Devices, Trieste, Italy, November 3-7, 2014.
       
  • 2013

    • R.J. Kurtz, W. Setyawan, G. Nandipati, H.L. Heinisch, B.D. Wirth, “Modeling Radiation Damage in Bulk Tungsten for Fusion Plasma Facing Component Applications,” Invited Oral, Fall Materials Research Society Meeting, Boston, MA, 2 December 2013.
    • Karl D. Hammond, Lin Hu, Dimitrios Maroudas, and Brian D. Wirth, Evolution of Plasma-Exposed Tungsten Surfaces Due to Helium Diffusion and Bubble Growth.  APS Plasma Physics Meeting, November, 2013.
    • G. Nandipati, W. Setyawan, K.J. Roche, H.L. Heinisch, R.J. Kurtz, B.D. Wirth, “Object Kinetic Monte Carlo simulation of annealing of cascade damage in tungsten,” Oral. 55th Annual Meeting of the APS Division of Plasma Physics, Denver, CO. 13 November 2013.
    • W. Setyawan, G. Nandipati, H.L. Heinisch, K.J. Roche, R.J. Kurtz, A.P. Selby, N. Juslin, B.D. Wirth, R.E. Stoller, “Intricacies of He effects on displacement cascades in W,” Oral. 55th Annual Meeting of the APS Division of Plasma Physics, Denver, CO. 13 November 2013
    • Karl D. Hammond, Lin Hu, Dimitrios Maroudas, and Brian D. Wirth, Evolution of Plasma-Exposed Tungsten Surfaces Due to Helium Diffusion and Bubble Growth, Materials Research Society Annual Meeting, Boston, MA, November 2013.
    • W. Setyawan, G. Nandipati, H.L. Heinisch, K.J. Roche, R.J. Kurtz, B.D. Wirth, “Effects of temperature, PKA energy and He on irradiation damage in W,” Oral. 16th International Fusion reactor Materials, Beijing, China, 25 October 2013.
    • W. Setyawan, A.P. Selby, N. Juslin, R.E. Stoller, R.J. Kurtz, B.D. Wirth, Poster. “Displacement cascades in bcc metals,” Poster. 16th International Fusion reactor Materials, Beijing, China, 25 October 2013.
    • G. Nandipati, W. Setyawan, K.J. Roche, H.L. Heinisch, R.J. Kurtz, B.D. Wirth, “Object Kinetic Monte Carlo simulation of annealing of cascade damage in tungsten,” Oral. 16th International Fusion reactor Materials, Beijing, China, 25 October 2013.
    • Brian Wirth, SciDAC-PSI: Plasma Surface Interactions Involving He, invited talk, Scientific Discovery through Advanced Computing (SciDAC-3) Principal Investigator Meeting, Rockville, Maryland, USA, July, 2013.
    • Lin Hu and Luis Sandoval, Plasma-Surface Interactions (PSI): Atomistic Insights into He Transport and Agglomeration in Plasma-Exposed Tungsten, poster, Scientific Discovery through Advanced Computing (SciDAC-3) Principal Investigator Meeting, Rockville, Maryland, USA, July, 2013.
    • J. J. Billings, A. P. Belt, D.E. Bernholdt, A. J. McCaskey, T. Yamaguchi-Phillips, Plasma Surface Interactions (PSI): XOLOTL-PSI: Code Development, Testing and Uncertainty Quantification Approaches, poster, Scientific Discovery through Advanced Computing (SciDAC-3) Principal Investigator Meeting, Rockville, Maryland, USA, July, 2013.
    • W. Setyawan, G. Nandipati, H.L. Heinisch, R.J. Kurtz, B.D. Wirth, “Computer Simulation of Radiation Damage in Bulk Tungsten,” Oral. 5th International Energy Agency Workshop on Theory and Modeling, Alicante, Spain, 18 May 2013.
    • Sergei Krasheninnikov, On the Physics of the First Wall in Fusion Devices, invited talk, 2013 International Sherwood Fusion Theory Conference, Santa Fe, New Mexico, USA, April 2013.
    • S. Krasheninnikov, On the scaling laws of the helium cluster dynamics and implications for ‘fuzz’ and nano-bubble formations, oral, 18th ITPA Scrape-Off Layer & Divertor Topical Group Meeting, He Fei Anhui, China, March 19-22, 2013.

    • R.D. Smirnov, S.I. Krasheninnikov, J. Guterl, M.J. Baldwin, and R.P. Doerner, Modeling of hydrogen retention and outgassing from co-deposits with distributed energy states, poster, 14th International Workshop on Plasma Edge Theory in Fusion Devices, Cracow, Poland, September 23-25, 2013.

    • R.D. Smirnov, S.I. Krasheninnikov, M.J. Baldwin, and R.P. Doerner, Modeling of hydrogen retention in co-deposited layers with trap distribution, oral, 55th annual meeting of the APS Division of Plasma Physics, Denver, CO, November 11-15, 2013.

  • 2012

Other Press

Honors and Awards for Project Participants

  • 2015

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