Publications

2024

  1. Grome, C.A., and W. Ji, "A Brief Review of Single Event Burnout Failure Mechanisms and Design Tolerances of Silicon Carbide Power MOSFETs," Electronics, Vol. 13(8), 1414 (2024). [online] 
  2. Lan, E., S. Shi, W. Ji, and M. Ishii, "Modeling and Simulation of Cryogenic Propellant Tank Pressurization in Normal Gravity," Applied Thermal Engineering, Vol. 236, Part D, 121628 (2024). [online] 

2023

  1. H. Yang, L. Zou, R. Hu, and W. Ji, "Corrosion and Reduction Behavior Investigation in Molten Salt Reactor: Species Transport Modeling with Redox Reaction Kinetics in MOOSE," Proceedings of International Conference on Mathematics and Computational Methods Applied to Nuclear Science & Engineering (M&C2023), Niagara Falls, Ontario, Canada, August 13-17, 2023. [pdf]
  2. C.E. Blake, and W. Ji, "Adaptation of Temperature Dependent Thermal Neutron Libraries for Fast On-The-Fly Monte Carlo Sampling at Arbitrary Temperatures," Proceedings of International Conference on Mathematics and Computational Methods Applied to Nuclear Science & Engineering(M&C2023), Niagara Falls, Ontario, Canada, August 13-17, 2023. [pdf]
  3. Q. Cheng, and W. Ji, "An Equation-free Based CFD/Nodal Codes Coupling Approach," Proceedings of International Conference on Mathematics and Computational Methods Applied to Nuclear Science & Engineering (M&C2023), Niagara Falls, Ontario, Canada, August 13-17, 2023. [pdf]
  4. P.J. Kowal, C.E. Blake, and W. Ji, "Programmatic Modeling and Unification for Monte Carlo Codes," Proceedings of International Conference on Mathematics and Computational Methods Applied to Nuclear Science & Engineering (M&C2023), Niagara Falls, Ontario, Canada, August 13-17, 2023. [pdf]
  5. Q. Cheng, H. Yang, and W. Ji, "Machine Learning Based 2D Temperature Reconstructions in Two-Phase Fluid Using 1D System Code Results," Trans. Am. Nucl. Soc., Vol. 128, 942-945 (2023). [pdf]
  6. H. Yang, Q. Cheng, L. Zou, R. Hu, and W. Ji, "Incorporating Redox Kinetics in Species Transport Models for Tracking Corrosion and Reduction Phenomena in Molten Salt Reactors Using MOOSE," Trans. Am. Nucl. Soc., Vol. 128, 242-245 (2023). [pdf]
  7. P. Brain, W. Ji, Y. Danon, A. McSpaden, and J. Hutchinson, "Design of Sub-critical Lead Reflected Experiments for Nuclear Data Validation," Trans. Am. Nucl. Soc., Vol. 128, 454-457 (2023). [pdf]
  8. K.A. Dominesey, and W. Ji, "Reduced-order modeling of neutron transport eigenvalue problems separated in energy by Proper Generalized Decomposition," Journal of Computational Physics, Vol. 486, 112137 (2023). [online]
  9. M.N. Dupont, M. D. Eklund, P. F. Caracappa, and W. Ji, "Inversion Point of the Isothermal Reactivity Coefficient with Increasing System Temperature in a Heterogeneous Core Lattice of a Light Water Reactor," Nuclear Science and Engineering, Vol. 197, 2884-2901 (2023). [online]
  10. P.J. Kowal, C.E. Blake, K.A. Dominesey, R. A. Lefebvre, F. B. Brown, and W. Ji, "Enhancing Monte Carlo Workflows for Nuclear Reactor Analysis with Metamodel-Driven Modeling," Nuclear Science and Engineering, Vol. 197, 1600-1620  (2023). [online]
  11. M.D. Eklund, P.J. Kowal, M.N. Dupont, and W. Ji, "Evaluation of temperature-dependent critical experiments at the Walthousen reactor critical facility for benchmark development," Annals of Nuclear Energy, Vol. 180, 108250 (2023). [online]

2022

  1. P.J. Kowal, C.E. Blake, J.A. McPherson, and W. Ji, "Monte Carlo Modeling Unification via a Metamodel-Driven Approach," Transactions of the American Nuclear Society, Vol. 127, 1133–1136 (2022). [pdf]
  2. Q. Cheng, H. Yang, S. Shi, and W. Ji, "An Equation-Free Based Coupling Approach for Multiscale Fluid Dynamics and Heat Transfer Analysis," Transactions of the American Nuclear Society, Vol. 127, 1233–1236 (2022). [pdf]
  3. P.J. Kowal, C.E. Blake, K.A. Dominesey, and W. Ji, “A Programmatic Metamodel-Driven Modeling Paradigm for MCNP,” Proceedings of International Topical Meeting on Advances in Reactor Physics (PHYSOR 2022), Pittsburgh, PA, USA, May 15-20, 2022, (2022). [pdf]
  4. K.A. Dominesey, and W. Ji, “Reduced-Order Modeling of Neutron Transport Separated in Energy by Minimax Proper Generalized Decomposition,” Proceedings of International Topical Meeting on Advances in Reactor Physics (PHYSOR 2022), Pittsburgh, PA, USA, May 15-20, 2022, (2022). [pdf]
  5. J.A. McPherson, A. A. Woodworth, T. P. Chow, and W. Ji, "Robustness of Semi-Superjunction 4H-SiC Power DMOSFETs to Single-Event Burnout from Heavy Ion Bombardment," Materials Science Forum, Vol. 1062, 683-687 (2022). [online]
  6. J.A. McPherson, A.A. Woodworth, T.P. Chow, and W. Ji, “Simulation-based study of single-event burnout in 4H-SiC high-voltage vertical superjunction DMOSFET: Physical failure mechanism and robustness vs performance tradeoffs,” Applied Physics Letters, Vol. 120, 043501 (2022). [online]
  7. K.A. Dominesey, and W. Ji, “Reduced order modeling of neutron transport separated in energy by Proper Generalized Decomposition with applications to reactor physics,” Journal of Computational Physics, 449, 110744 (2022). [online]

2021

  1. S.A. Walker, and W. Ji, “Modeling Corrosion Product Transport & Reduction via Beryllium Addition in FLiBe Molten Salt,” Transactions of the American Nuclear Society, Vol. 125, 135-138 (2021) [pdf]
  2. P.J. Kowal, J.A. Eugenio, K.A. Dominesey, C.E. Blake, R.A. Lefebvre, F.B. Brown, and W. Ji “A (Meta-)Model Driven Approach to MCNP Modeling and Editor Services,” Transactions of the American Nuclear Society, Vol. 125, 1114–1117 (2021). [pdf]
  3. P.J. Kowal, J.A. Eugenio, K.A. Dominesey, W. Ji, R.A. Lefebvre, and F.B. Brown, “Development of A Syntactic Validation Capability for the Use of MCNP,” Proceedings of International Conference on Mathematics and Computational Methods Applied to Nuclear Science & Engineering (M&C2021), Raleigh, North Carolina, USA, October 3-7, 2021 on CD-ROM, pp. 748-757, American Nuclear Society, LaGrange Park, IL (2021). [pdf] [poster]
  4. S.A. Walker, A. Abou-Jaoude, Z. Taylor, R. Salko, and W. Ji, “Coupled Thermal-Hydraulic Analysis and Species Mass Transport in a Versatile Experimental Salt Irradiation Loop (VESIL) using CTF,,” Journal of Nuclear Engineering, Vol. 2(3), 309-317 (2021). [online]
  5. S.A. Walker and W. Ji, “Species Transport Analysis of Noble Metal Fission Product Transport, Deposition, and Extraction in the Molten Salt Reactor Experiment,” Annals of Nuclear Energy, Vol. 158, 108250 (2021). [online]
  6. A. Abou-Jaoude, S.A. Walker, S. Bhaskar, and W. Ji, “Feasibility Assessment of a Natural-Circulation Salt Irradiation Loop in the Advanced Test Reactor,” Nuclear Technology, in press,(2021). [online]
  7. J.A. McPherson, C. Hitchcock, T.P. Chow, W. Ji, and A.A. Woodworth, “Ion-Induced Mesoplasma Formation and Thermal Destruction in 4H-SiC Power MOSFET Devices,” IEEE Transactions on Nuclear Science, Vol. 68, 651-658 (2021). [online]
  8. K.A. Dominesey, P.J. Kowal, J.A. Eugenio, and W. Ji, “Scientific Workflows for MCNP6 and PROTEUS Within the NEAMS Workbench,” EPJ Web of Conferences, Vol. 247, 06052 (2021). [online]

2020

  1. J.A. McPherson, C. Hitchcock, T.P. Chow, W. Ji, and A.A. Woodworth, “Mesoplasma Formation and Thermal Destruction in 4H-SiC Power MOSFET Devices under Heavy Ion Bombardment,” IEEE Nuclear and Space Radiation Effects Conference, Santa Fe, NM, December 1-4, 2020 (Virtual). [pdf]
  2. J.A. McPherson, C. Hitchcock, T.P. Chow, W. Ji, and A.A. Woodworth, “Mechanisms of Heavy Ion-Induced Single Event Burnout in 4H-SiC Power MOSFETs,” Materials Science Forum, Vol. 1004, 889-896 (2020). [online]
  3. K.A. Dominesey, P.J. Kowal, J.A. Eugenio, and W. Ji, “Scientific Workflows for MCNP6 and PROTEUS Within the NEAMS Workbench,” Proceedings of International Topical Meeting on Advances in Reactor Physics (PHYSOR 2020), Cambridge, United Kingdom, March 29-April 2, 2020. [pdf]
  4. S.A. Walker, A. Abou-Jaoude, Z. Taylor, R. Salko, and W. Ji, “Coupled Thermal-Hydraulic Analysis and Species Mass Transport in a Versatile Experimental Salt Irradiation Loop (VESIL) using CTF,” Proceedings of International Topical Meeting on Advances in Reactor Physics (PHYSOR 2020), Cambridge, United Kingdom, March 29-April 2, 2020. [pdf]
  5. N. McDonald, A. Hollingsworth, S. Beninati, C. Lim, W. Ji, M. Hameed, C. Shi, M.L. Agiorgousis, S. Zhang, and Z. R. Huang, "Analysis of an Ultra-short True Time Delay Line Optical Reservoir Computer," IEEE/OSA Journal of Lightwave Technology, Vol. 38, 3584-3591 (2020). [online]
  6. M.N. Dupont, M.D. Eklund, P.F. Caracappa, and W. Ji, “Experimental measurements of isothermal reactivity coefficient and temperature-dependent reactivity changes with associated uncertainty evaluations,” Progress in Nuclear Energy, Vol. 118, 103131 (2020). [online]

2019

  1. J.P. Senecal and W. Ji, “Characterization of the Proper Generalized Decomposition Method to Fixed-Source Diffusion Problems,” Annals of Nuclear Energy, Vol. 126, pp. 68-83 (2019). [online]
  2. J.A. McPherson, P.J. Kowal, G.K. Pandey, T.P. Chow, W. Ji and A.A. Woodworth, “Heavy Ion Transport Modeling for Single-Event Burnout in SiC-Based Power Devices,” IEEE Transactions on Nuclear Science, Vol. 66, pp. 474-481 (2019). [online]
  3. M.N. Dupont, M.D. Eklund, P.F. Caracppa, and W. Ji, “Development of Critical Experiments to Provide Validation Data for Multiphysics Coupling Codes,” Annals of Nuclear Energy, Vol. 128, pp. 256-267 (2019). [online]
  4. K.A. Dominesey, J.P. Senecal, and W. Ji, “A Reduced-Order Neutron Diffusion Model Separated in Space and Energy via Proper Generalized Decomposition,” Transactions of the American Nuclear Society, Vol. 120, pp. 457-460 (2019). [online]
  5. S.A. Walker, Z. Taylor, R. Salko, B. Collins, and W. Ji, “Noble Metal Mass Transport Model for Molten Salt Reactor Analysis in VERA-CS,” Proceedings of International Conference on Mathematics and Computational Methods Applied to Nuclear Science & Engineering (M&C2019), Portland, Oregon, August 25-29, 2019, on CD-ROM, pp. 2268-2277, American Nuclear Society, LaGrange Park, IL (2019). [online]
  6. K.A. Dominesey, and W. Ji, “Reduced-Order Modeling of Neutron Transport Separated in Space and Angle via Proper Generalized Decomposition,” Proceedings of International Conference on Mathematics and Computational Methods Applied to Nuclear Science & Engineering (M&C2019), Portland, Oregon, August 25-29, 2019, on CD-ROM, pp. 846-855, American Nuclear Society, LaGrange Park, IL (2019). [online]
  7. J.A. McPherson, C. Hitchcock, T.P. Chow, W. Ji, and A.A. Woodworth, “Mechanisms of Heavy Ion-Induced Single Event Burnout in 4H-SiC Power MOSFETs,” Proceedings of International Conference on Silicon Carbide and Related Materials 2019, Kyoto, Japan, September 29 – October 4, 2019. [online]
  8. P.J. Kowal, K.A. Dominesey, J.A. Eugenio and W. Ji, “Unstructured Mesh Unification for MCNP6.2 and PROTEUS in NEAMS Workbench,” Transactions of the American Nuclear Society, Vol. 121, pp. 1541-1544 (2019). [online]

2018

  1. C.G. Morrison and W. Ji, “Improving Prompt Temperature Feedback By Stimulating Doppler Broadening in Heterogeneous Composite Nuclear Fuel Forms,” Annals of Nuclear Energy, Vol. 112, pp. 486-506 (2018). [online]
  2. J.P. Senecal and W. Ji, “Development of an Efficient Tightly Coupled Method for Multiphysics Reactor Transient Analysis,” Progress in Nuclear Energy, Vol. 103, pp. 33-44 (2018). [online]
  3. B.R. Evans, J. Lian, and W. Ji, “Evaluation of Shielding Performance for Newly Developed Composite Materials,” Annals of Nuclear Energy, Vol. 116, pp. 1-9 (2018). [online]
  4. M. Dupont, M.D. Eklund, W. Ji, and P.F. Caracappa, “Development of Critical Experiments to Provide Validation Data for Multiphysics Coupling Codes,” Proceedings of International Topical Meeting on Advances in Reactor Physics (PHYSOR 2018), Cancun, Mexico, April 22-26, 2018, on CD-ROM, American Nuclear Society, LaGrange Park, IL (2018). [online]
  5. M.D. Eklund, M. Dupont, P.F. Caracappa, W. Ji, and V. Mahadevan, “Neutronics Modeling and Simulation of Temperature-Dependent Experiments Performed at the Walthousen Reactor Critical Facility (RCF) Using Proteus-SN,” Proceedings of International Topical Meeting on Advances in Reactor Physics (PHYSOR 2018), Cancun, Mexico, April 22-26, 2018, on CD-ROM, American Nuclear Society, LaGrange Park, IL (2018). [online]
  6. J.P. Senecal and W. Ji, “A Reduced-Order Model for the Solution of Diffusion Equations,” Transactions of the American Nuclear Society, Vol. 118, pp. 463-466 (2018). [online]
  7. K.A. Dominesey, M.D. Eklund, P.J. Kowal, and W. Ji, “Preliminary Integration of MCNP6 and PROTEUS into the NEAMS Workbench,” Transactions of the American Nuclear Society, Vol. 118, pp. 962-965 (2018). [online]
  8. M. Dupont and T.M. Miller, “Preliminary Design of Temperature Dependent Critical Experiments at Atmospheric Pressure with Low Enriched UO2 Fuel,” ANS Annual Meeting, Philadelphia, PA (2018).
  9. J.A. McPherson, P.J. Kowal, G.K. Pandey, T.P. Chow, W. Ji and A.A. Woodworth, “Heavy Ion Transport in SiC-Based Power Devices,” IEEE NSREC 2018, Waikoloa, HI (2018). [online]
  10. G.K. Pandey, J.A. McPherson, P.J. Kowal, T.P. Chow, W. Ji and A.A. Woodworth, “Heavy Ion induced Single Event Burn-out (SEB) in SiC Schottky Diodes,” IEEE NSREC 2018, Waikoloa, HI (2018). [online]
  11. P.J. Kowal, J.A. McPherson, and W. Ji, “The Application of MCNP6.2 Unstructured Mesh Geometry Capabilities to the Study of Heavy Ion Single Event Effect on Microelectronic Devices and the Reactor Physics Analysis,” Proceedings of ANS RPSD 2018 – 20th Topical Meeting of the Radiation Protection & Shielding Division of ANS, Santa Fe, NM, August 26 – 31, 2018, on CD-ROM, American Nuclear Society, LaGrange Park, IL (2018). [online]
  12. K.A. Dominesey, J.P. Senecal, and W. Ji, “A Reduced-Order Neutron Transport Model Separated in Space and Angle,” Transactions of the American Nuclear Society, Vol. 119, pp. 687-690 (2018). [online]
  13. K.A. Dominesey and W. Ji, “Editor Services for MCNP6 in the NEAMS Workbench,” Transactions of the American Nuclear Society, Vol. 119, pp. 1098-1099 (2018). [online]

2017

  1. J.P. Senecal and W. Ji, “Approaches for Mitigating Over-Solving in Multiphysics Simulations”, International Journal for Numerical Methods in Engineering Vol. 112, pp. 503-528 (2017). [online]
  2. J.P. Senecal and W. Ji, “Addressing Over-Solving in Multiphysics Codes with Nested Solvers”, ANS Annual Meeting 2017, San Francisco, CA (2017).
  3. M.D. Eklund, M. Dupont, P.F. Caracappa, W. Ji, “Neutronics Simulations of the RPI Walthousen Reactor Critical Facility (RCF) Using Proteus-SN”, ANS Winter Meeting 2017, Washington, D.C. (2017).
  4. M. Dupont, M.D. Eklund, P.F. Caracappa, W. Ji, “Design of Neutronics and Thermal Hydraulics Coupling Critical Experiments”, ANS Winter Meeting 2017, Washington, D.C. (2017).

2016

  1. C.G. Morrison, W. Ji, and J.P. Senecal, “Coupled Neutronics and Heat Transfer in Accident Tolerant Composite Matrix Nuclear Fuels”, Transactions of the American Nuclear Society PHYSOR, Sun Valley, ID (2016).
  2. A.T. Pavlou, W. Ji, and F.B. Brown, “Verification of the On-the-Fly Thermal Scattering Sampling Method for Bound Hydrogen in Light Water”, Transactions of the American Nuclear Society PHYSOR, Sun Valley, ID (2016).
  3. J.P. Senecal and W. Ji, “A Novel Tightly Coupled Method for Reactor Transient Simulations”, Transactions of the American Nuclear Society PHYSOR, Sun Valley, ID (2016).
  4. M. Dupont, M.D. Eklund, P.F. Caracappa, W. Ji, “Development of Critical Experiments to Benchmark Moderator Temperature Reactivity Worth”, ANS Winter Meeting 2016, Las Vegas, NV (2016).
  5. M.D. Eklund, M. Dupont, P.F. Caracappa, W. Ji, “Computational Modeling, Simulation and Analysis of the RPI Walthousen Reactor Critical Facility (RCF)”, ANS Winter Meeting 2016, Las Vegas, NV (2016).
  6. E.N. Pusateri, H.E. Morris, E.M. Nelson, and W. Ji, “Comparison of Equilibrium Ohmic and Non-Equilibrium Electron Swarm Models for Monitoring Conduction Electron Evolution in High Altitude EMP Calculations,” Journal of Geophysical Research: Atmospheres, Vol. 121, pp. 11,884-11,899 (2016). [online]
  7. A.T. Pavlou, W. Ji, and F.B. Brown, “Implementation and Testing of the On-the-Fly Thermal Scattering Monte Carlo Sampling Method for Graphite and Light Water in MCNP6,” Annals of Nuclear Energy, Vol. 91, pp. 111-126 (2016). [online]
  8. A.T. Pavlou and W. Ji, “Phonon-Based Mesh Optimization for the Monte Carlo On-the-Fly Thermal Scattering Temperature Fit Coefficients,” Nuclear Engineering and Design, Vol. 302B, pp. 70-80 (2016). [online]

2015

  1. A.T. Pavlou, W. Ji, F.B. Brown, “Implementation of a Least Squares Temperature Fit of the Thermal Scattering Law in MCNP6″, Proceedings of the Joint International Conference on Mathematics and Computation (M&C), Supercomputing in Nuclear Applications (SNA) and the Monte Carlo (MC) Method, Nashville, TN (2015).
  2. A.T. Pavlou, W. Ji, “A Study of the Frequency Spectrum of Thermal Excitations for On-the-Fly Monte Carlo Thermal Scattering Sampling”, Transactions of the American Nuclear Society Student Conference at Texas A&M University, College Station, TX (2015).
  3. J.P. Senecal and W. Ji, “Comparison of Multiphysics Boundary Value Problem Coupling Strategies in MOOSE”, Transactions of the American Nuclear Society Student Conference at Texas A&M University, College Station, TX (2015).
  4. E. N. Pusateri, H. E. Morris, E. M. Nelson, and W. Ji., “Determination of Equilibrium Electron Temperature and Times Using an Electron Swarm Model with BOLSIG+ Calculated Collision Frequencies and Rate Coefficients”, Journal of Geophysical Research: Atmospheres, 2015. (2015).
  5. A.T. Pavlou and W. Ji, “The Temperature Zoning Method for On-the-Fly Thermal Scattering Sampling Procedure”, ANS Winter Meeting 2015, Washington, D.C. (2015).
  6. J.P. Senecal and W. Ji, “Comparison of Novel Coupling Methods in MOOSE”, ANS Winter Meeting 2015, Washington, D.C. (2015).
  7. J. Ortensi, M. Ellis, Y. Wang, H.R. Hammer, J.P. Senecal, F.N. Gleicher, S. Schunert, M.D. DeHart, K. Smith, and R. Martineau, “Solution of the Hot Zero Power BEAVRS Using a Pin-Cell Homogenized Model”, ANS Winter Meeting 2015, Washington, D.C. (2015).

2014

  1. A.T. Pavlou, W. Ji, “A New On-the-Fly Sampling Method at Thermal Energies for Monte Carlo Codes”, ANS Winter Meeting 2014, Anaheim, CA (2014).
  2. E. N. Pusateri, H.E. Morris, and W. Ji, “Analysis of Electron Evolution in Air using Updated Cross Section Data”, Bulletin of the American Physical Society, APS:DPP Conference Abstract, LA-UR-14-25207, New Orleans, LA (2014).
  3. E. N. Pusateri, H.E. Morris, “Determination of Equilibrium Electron Temperature and Time using an Electron Swarm Model with Updated Collision Frequencies and Rate Coefficients”, DOE/LANL Sponsored Technical Report LA-UR-14-29015, Los Alamos, NM (2014).
  4. A.T. Pavlou, F.B. Brown, W. Ji, “A New On-the-Fly Sampling Method for Incoherent Inelastic Thermal Neutron Scattering Data in MCNP6″, Los Alamos National Laboratory Report LA-UR-14-26856 (2014).
  5. A.T. Pavlou, W. Ji, “A Temperature Dependence Study of Alpha/Beta Cumulative Distribution Functions Based on S(α,β) Data”, ANS Annual Meeting 2014, Reno, NV (2014).
  6. A.T. Pavlou, W. Ji, “On-the-Fly Sampling of Temperature-Dependent Thermal Neutron Scattering Data for Monte Carlo Simulations”, Annals of Nuclear Energy, Vol. 71, pp. 411-426 (2014).
  7. A.T. Pavlou, M. Wart, W. Ji, T. H. Trumbull, “On-the-Fly Sampling of Thermal Scattering S(α,β,T) Data for Monte Carlo Codes”, International Congress on Advances in Nuclear Power Plants (ICAPP) 2014, Charlotte, North Carolina (2014).
  8. A.T. Pavlou, W. Ji, “A Temperature Dependence Study of Alpha/Beta Cumulative Distribution Functions Based on S(α,β) Data”, ANS Student Conference 2014, State College, PA (2014).

2013

  1. Xu, X. G., Tianyu Liu, Lin Su, Xining Du, Matthew Riblett, W. Ji and F. B. Brown, “An Update of ARCHER, a Monte Carlo Radiation Transport Software Testbed for Emerging Hardware Such as GPUs,” Trans. Am. Nucl. Soc., 108, 433-434 (2013) [pdf]
  2. Li, Y. and W. Ji, “Stability and Convergence Analysis of a Dynamics-based Collective Method for Random Sphere Packing,” Journal of Computational Physics, 250, 373-287 (2013) [preprint] [online]
  3. Li, Y. and W. Ji, “Convergence Analysis of a Heuristic Collective Sphere Packing Algorithm,” International Journal of Applied Nonlinear Science, 2013 [preprint] [online]
  4. Peng Q., C. Liang, W. Ji, and S. De, “A First-principles Study of the Mechanical Properties of g-GeC,” Mechanics of Materials, 64, 135-141 (2013) [online]
  5. Liang, C., and W. Ji, “A Neutronic Feasibility Study of AP1000 Design Loaded with Fully Ceramic Micro-Encapsulated Fuel,” Proceedings of International Conference on Mathematics and Computational Methods Applied to Nuclear Science & Engineering (M&C 2013), Sun Valley, Idaho, USA, May 5-9, 2013, on CD-ROM, pp.1522-1533, American Nuclear Society, LaGrange Park, IL (2013) [pdf]
  6. Liang, C., A. T. Pavlou, and W. Ji, “The Impact of Fuel Particle Size Distribution on Neutron Transport in Stochastic Media,” Proceedings of International Conference on Mathematics and Computational Methods Applied to Nuclear Science & Engineering (M&C 2013), Sun Valley, Idaho, USA, May 5-9, 2013, on CD-ROM, pp.2279-2290, American Nuclear Society, LaGrange Park, IL (2013) [pdf]
  7. Li, Y., and W. Ji, “Contact Detection Acceleration in Pebble Flow Simulation for Pebble Bed Reactor Systems,” Proceedings of International Conference on Mathematics and Computational Methods Applied to Nuclear Science & Engineering (M&C 2013), Sun Valley, Idaho, USA, May 5-9, 2013, on CD-ROM, pp.1699-1708, American Nuclear Society, LaGrange Park, IL (2013) [pdf]
  8. Liu, T., X. Du, W. Ji, and X. G. Xu, “Development of GPU-Based Monte Carlo Code for Fast CT Imaging Dose Calculation on CUDA Fermi Architecture,” Proceedings of International Conference on Mathematics and Computational Methods Applied to Nuclear Science & Engineering (M&C 2013), Sun Valley, Idaho, USA, May 5-9, 2013, on CD-ROM, pp.1199-1210, American Nuclear Society, LaGrange Park, IL (2013) [pdf]
  9. Du, X., T. Liu, W. Ji, X. G. Xu, and F. B. Brown, “Evaluation of Vectorized Monte Carlo Algorithms on GPUs for a Neutron Eigenvalue Problem,” Proceedings of International Conference on Mathematics and Computational Methods Applied to Nuclear Science & Engineering (M&C 2013), Sun Valley, Idaho, USA, May 5-9, 2013, on CD-ROM, pp.2513-2522, American Nuclear Society, LaGrange Park, IL (2013) [pdf]
  10. Li, Y. and W. Ji, “Acceleration of Coupled Granular Flow and Fluid Flow Simulations in Pebble Bed Energy Systems,” Nuclear Engineering and Design, 258, 275-283 (2013) [preprint] [online]
  11. Peng, Q., W. Ji, H.C. Huang and S. De, “Axial Ratio Dependence of the Stability of Self-Interstitials in HCP Structures,” Journal of Nuclear Materials, 437, 293-296 (2013) [online]
  12. Peng, Q., X. Chen, W. Ji, and S. De, “Chemically Tuning Mechanics of Graphene by BN,” Advanced Engineering Materials, 15, 718-727 (2013) [online]
  13. Peng, Q., W. Ji, and S. De, “First-Principles Study of the Effects of Mechanical Strains on the Radiation Hardness of Hexagonal Boron Nitride Monolayers,” Nanoscale, 5, 695-703 (2013) [online]
  14. Liang, C., W. Ji, and F.B. Brown, “Chord Length Sampling Method for Analyzing Stochastic Distribution of Fuel Particles in Continuous Energy Simulations,” Annals of Nuclear Energy, 53, 140-146 (2013) [preprint] [online]
  15. Li, Y. and W. Ji, “Pebble Flow and Coolant Flow Analysis Based on a Fully Coupled Multi-Physics Model,” Nuclear Science and Engineering, 173, 150-162 (2013). [preprint] [online]
  16. Peng, Q., C. Liang, W. Ji, and S. De, “Mechanical Properties of g-GaN: A First Principles Study,” Applied Physics A , (2013) doi: 10.1007/s00339-013-7551-4 [online]
  17. Peng, Q., C. Liang, W. Ji, and S. De, “A Theoretical Analysis of the Effect of the Hydrogenation of Graphene to Graphane on Its Mechanical Properties,” Physical Chemistry Chemical Physics , 15, 2003-2011 (2013) [online]
  18. Peng, Q., C. Liang, W. Ji, and S. De, “A First Principles Investigation of the Mechanical Properties of g-ZnO: the Graphene-like Hexagonal Zinc Oxide Monolayer,” Computational Materials Science , 68, 320-324 (2013) [online]
  19. Tierney, Heidi E., Pusateri, Elise N., Nelson, Eric M., Holmes, Richard L., “Progress on the Development of an Electron Swarm Model for
    Use in CHAP-LA”, HEART Poster (2013), Albuquerque NM.
  20. Pusateri, E., & Tierney, H., “Improving upon an Electron Swarm Model for Investigating Electron Equilibrium Using the Boltzmann Equation.”, LANL Student Symposium (2013), Los Alamos, New Mexico, U.S.: Los Alamos National Lab.

2012

  1. Peng, Q., C. Liang, W. Ji, and S. De, “A First Principles Investigation of Mechanical Properties of g-TlN,” Modeling and Numerical Simulation of Material Science , 2, 76-84 (2012) [preprint] [online]
  2. Peng, Q., W. Ji, and S. De, “Mechanical Properties of Graphyne Monolayer: A First-Principles Study,” Physical Chemistry Chemical Physics, 14, 13385-13391 (2012) [preprint] [online]
  3. Burke, T., B. R. Betzler, J. C. Lee, W. R. Martin, A. Pavlou and W. Ji, Y. Li, “A Constrained Sampling Methodology for TRISO Microspheres with Continuous Distributions of Diameters,” Trans. Am. Nucl. Soc., 107, 516-518 (2012). [pdf]
  4. Liang, C. and W. Ji, “A Novel Extension of Chord Length Sampling Method for TRISO-Type Applications,” Trans. Am. Nucl. Soc., 107, 551-553 (2012). [pdf]
  5. Pusateri, E.N. and W. Ji, “A New Analytical Model to Evaluate Dancoff Factors in Stochastic Media,” Trans. Am. Nucl. Soc., 107, 554-556 (2012). [pdf]
  6. Peng, Q., W. Ji, H.C. Huang, and S. De, “Stability of Self-interstitial Atoms in hcp-Zr,” Journal of Nuclear Material, 429, 233-236 (2012). [preprint] [online]
  7. Li, Y. and W. Ji, “A Collective Dynamics-based Method for Initial Pebble Packing in Pebble Flow Simulation,” Nuclear Engineering and Design, 250, 229-236 (2012) [preprint] [online]
  8. Peng, Q., A.R. Zamiri, W. Ji, and S. De, “Elastic Properties of Hybrid Graphene/Boron Nitride Monolayer,” Acta Mechanica, 223, 2591-2596 (2012). [preprint] [online]
  9. Liang, C., Y. Li, and W. Ji, “Application of Chord Length Sampling to Analyzing Reactor Systems with Multi-type Multi-size Fuel Particles,” Trans. Am. Nucl. Soc., 106, 339-341 (2012). [pdf]
  10. Liu, T., L. Su, A. Ding, W. Ji, C. Carothers, X. G. Xu and F. B. Brown, “GPU/CUDA-Ready Parallel Monte Carlo Codes for Reactor Analysis and Other Applications,” Trans. Am. Nucl. Soc., 106, 378-379 (2012). [pdf]
  11. Liang, C., W. Ji and F.B. Brown, “Chord Length Sampling Method for Analyzing VHTR Unit Cells in Continuous Energy Simulations,” Proceedings of International Topical Meeting on Advances in Reactor Physics (PHYSOR 2012), Knoxville, Tennessee, USA, April 15-20, 2012. [pdf]
  12. Li, Y. and W. Ji, “Stability and Convergence Analysis of the Quasi-Dynamics Method for Initial Pebble Packing,” Proceedings of International Topical Meeting on Advances in Reactor Physics (PHYSOR 2012), Knoxville, Tennessee, USA, April 15-20, 2012. [pdf]
  13. Liang, C. and W. Ji, “Optimization of Monte Carlo Transport Simulations in Stochastic Media,” Proceedings of International Topical Meeting on Advances in Reactor Physics (PHYSOR 2012), Knoxville, Tennessee, USA, April 15-20, 2012. [pdf]
  14. Li, Y. and W. Ji, “A Simplified DEM-CFD Approach for Pebble Bed Reactor Simulations,” Proceedings of International Topical Meeting on Advances in Reactor Physics (PHYSOR 2012), Knoxville, Tennessee, USA, April 15-20, 2012. [pdf]
  15. Liu, T., A. Ding, W. Ji, X. G. Xu, C. Carothers, and F.B. Brown, “A Monte Carlo Neutron Transport Code for Eigenvalue Calculations on a Dual-GPU System and CUDA Environment,” Proceedings of International Topical Meeting on Advances in Reactor Physics (PHYSOR 2012), Knoxville, Tennessee, USA, April 15-20, 2012. [pdf]
  16. Peng, Q., W. Ji, S. De, “Mechanical Properties of the Hexagonal Boron Nitride Monolayer: ab initio Study,” Computational Materials Science, 56, 11-17 (2012). [online]
  17. Pusateri, Elise N., Snyder, Evan, “Electromagnetic Pulse Simulations – Swarm Electron Time Delay
    in Thunderstorm Environment”, Final Reports from the 2012 Computational Physics Workshop (2012), Los Alamos NM

2011

  1. Liang, C. and W. Ji, “On the Chord Length Sampling in 1-D Binary Stochastic Media,” Transport Theory and Statistical Physics, 40, 282-303 (2011). (Invited Paper) [online] [postprint]
  2. Li, Y. and W. Ji, “Study on Pebble-Fluid Interaction Effect in Pebble Bed Reactors,” Trans. Am. Nucl. Soc., 105, 524-525 (2011). [pdf]
  3. Liang, C. and W. Ji, “Parameter Sensitivity Study on the Accuracy of Chord Length Sampling Method,” Trans. Am. Nucl. Soc., 105, 495-497 (2011). [pdf]
  4. Li, Y. and W. Ji, “Modeling of Interactions between Fluid-Dynamics and Pebble Flow in Advanced High Temperature Reactors,” Trans. Am. Nucl. Soc., 104, 404-406 (2011). [pdf]
  5. Liang, C. and W. Ji, “Chord Length Sampling in Stochastic Media Packed with Poly-Sized Spheres,” Trans. Am. Nucl. Soc., 104, 331-333 (2011). [pdf]
  6. Ji, W. and W.R. Martin, “The Application of the Chord Method to Obtain Analytical Expressions for Dancoff Factors in Stochastic Media,” Nuclear Science and Engineering, 169, 19-39 (2011) [pdf] [online]
  7. Li, Y. and W. Ji, “A Collective Dynamics-based Method for Initial Pebble Packing in Pebble Flow Simulation,” Proceedings of International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering (M&C 2011), Rio de Janeiro, Brazil, May 8-12, 2011. [pdf]
  8. Ding, A., T. Liu, C. Liang, W. Ji, M.S. Shephard, X.G. Xu and F.B. Brown, “Evaluation of Speedup of Monte Carlo Calculations of Simple Reactor Physics Problems Coded for the GPU/CUDA Environment,” Proceedings of International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering (M&C 2011), Rio de Janeiro, Brazil, May 8-12, 2011. [pdf]

2008-2010

  1. Li, Y. and W. Ji, “Pebble Flow Simulation Based on a Multi-Physics Model,” Trans. Am. Nucl. Soc. 103, 323-325 (2010). [pdf]
  2. Liang, C. and W. Ji, “Investigation of Chord Length Sampling Method in Finite 1-D Binary Stochastic Media,” Trans. Am. Nucl. Soc., 103, 338-341 (2010). [pdf]
  3. Ji, W. “Impact of the Stochastic Distribution of Fuel Particles on VHTR Neutronic Analysis,” Trans. Am. Nucl. Soc., 100, 312-314 (2009). [pdf]
  4. Ji, W. and W.R. Martin, “Application of chord length sampling to VHTR unit cell analysis,” Proceedings of International Conference on the Physics of Reactors (PHYSOR08), Interlaken, Switzerland, September 14-19, 2008. [pdf]
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