Gregory Davidson

  • Program Years: 2002-2006
  • Academic Institution: University of Michigan
  • Field of Study: Nuclear Engineering
  • Academic Advisor: Ed Larsen
  • Practicum(s):
    Bettis Atomic Power Laboratory (2003)
    Los Alamos National Laboratory (2005)
  • Degree(s):
    Ph.D. Nuclear Engineering & Radiological Sciences & Scientific Computing, University of Michigan, 2009
    M.S. Nuclear Engineering, Oregon State University, 2004
    Honors Bachelor's Nuclear Engineering, Oregon State University, 2002

    HBS Nuclear Engineerin

Current Status

  • Status: Research and Development Staff, Oak Ridge National Laboratory
  • Research Area: Nuclear Engineering and Computational Science
  • Contact Information: davidsongg@ornl.gov
  • Comments

    2014 ORNL Engineering Research and Development team award

    Principle Investigator of the ORNL LDRD, "Advanced Modeling & Simulation to Support High Performance Research Reactor Conversions to Low Enriched Uranium"

    Principle Investigator of the ASCR Leadership Computing Challenge, "Advanced Simulation of HFIR for LEU Conversion"

    Awarded the HPC Innovation Excellence Award

    2012 Oak Ridge National Laboratory Significant Event Award

    2011 MeV Summer School: Best Technical Paper Award

    American Nuclear Society, Mathematics and Computation Division, Best Paper and Presentation Award, November 2010

    2010 ORNL Engineering Research and Development team award

    D.O.E. Computational Science Graduate Fellowship Award

    Master's Thesis of the Year, Nuclear Engineering Department, Oregon State University

    Publications

    S.P. Hamilton, T.M. Evans, G.G. Davidson, S.R. Johnson, T.M. Pandya, and A.T. Godfrey, "Hot Zero Power Reactor Calculations Using the Insilico Code," J. Comp. Phys (to appear).

    T.M. Pandya, S.R. Johnson, T.M. Evans, G.G. Davidson, S.P. Hamilton, and A.T. Godfrey, "Implementation, Capabilities, and Benchmarking of Shift, a Massively Parallel Monte Carlo Radiation Transport Code," J. Comp. Phys. (to appear).

    R.N. Slaybaugh, T.M. Evans, G.G. Davidson, and P.P.H. Wilson, "Multigrid in Energy Preconditioner for Krylov Solvers," J. Comp. Phys., 272, 405-419 (2013).

    G.G. Davidson, T.M. Evans, J.J. Jarrell, S.P. Hamilton, T.M. Pandya, and R.N. Slaybaugh, "Massively Parallel, Three-Dimensional Transport Solutions for the k-Eigenvalue Problem," Nucl. Sci. Eng. 177, 111-125 (2014).

    J.J. Jarrell, A.T. Godfrey, T.M. Evans, and G.G. Davidson, "Full Core Reactor Analysis: Running Denovo on Jaguar," Nucl. Sci. Eng., 175, 283-291 (2013).

    G. Yesilyurt, K.T. Clarno, T.M. Evans, G.G. Davidson, and P.B. Fox, "C5 Benchmark Problem with Discrete Ordinate Radiation Transport Code Denovo," Nucl. Tech. 176(2), 274-283 (2011).
    G. Davidson and T.S. Palmer, "Finite Element Transport Using Wachspress Rational Functions on Quadrilaterals in Thick Diffusive Regions," Nucl. Sci. Eng., 159, 242 (2008).

    J.D. Densmore, G. Davidson, and D.B. Carrington, "Emmissivity of Discretized Diffusion Problems," Ann. Nucl. Energy, 33, (2006).

    T.M. Pandya, S.R. Johnson, G.G. Davidson, T.M. Evans, and S.P. Hamilton, "Shift: A Massively Parallel Monte Carlo Radiation Transport Package," M&C 2015, April 19-23, Nashville, TN.

    T.M. Evans, W. Joubert, S.P. Hamilton, S.R. Johnson, J.A. Turner, G.G. Davidson, and T.M. Pandya, "Three-Dimensional Discrete Ordinates Reactor Assembly Calculations on GPUs," M&C 2015, April 19-23, Nashville, TN.

    R.N. Slaybaugh, T.M. Evans, G.G. Davidson, and P.P.H. Wilson, "Rayleigh Quotient Iteration with a Multigrid in Energy Preconditioner for Massively Parallel Neutron Transport," M&C 2015, April 19-23, Nashville, TN.

    S. Palmtag, K. Clarno, G. Davidson, et. al., "Coupled Neutronics and Thermal-Hydraulic Solution of a Full-Core PWR Using VERA-CS," PHYSOR 2014, Kyoto, Japan.

    J.J. Jarrell, T.M. Evans, and G.G. Davidson, "Discrete Ordinate Quadrature Selection for Reactor-based Eigenvalue Problems," M&C 2013, Sun Valley, ID May 5-9, 2013.

    S. Hamilton, K. Clarno, M. Berrill, T. Evans, G. Davidson, R. Lefebvre, and R. Sampath, "Multiphysics Simulations for LWR Analysis," M&C 2013, Sun Valley, ID, May 5-9, 2013.

    C.G. Baker, G.G. Davidson, T.M. Evans, S.P. Hamilton, J.J. Jarrell, and W. Joubert, "High Performance Radiation Transport Simulations on TITAN," Supercomputing SC12, Salt Lake City, NV, Nov. 12-15, 2012.

    J.J. Jarrell, A.T. Godfrey, T.M. Evans, and G.G. Davidson, "Full Core Reactor Analysis: Running Denovo on Titan," PHYSOR 2012, Knoxville, TN, April 15-20. On CD-ROM, American Nuclear Society, LaGrange Park, IL, 2012.

    R.N. Slaybaugh, T.M. Evans, G.G. Davidson, and P.P.H. Wilson, "Rayleigh Quotient Iteration in 3D, Deterministic Neutron Transport," PHYSOR 2012, Knoxville TN, April 15-20. On CD-ROM, American Nuclear Society, LaGrange, Park, IL, 2012.

    B. Vacaliuc, D.R. Patlolla, E. D'Avezado, G.G. Davidson, et. al., "Python for Development of OpenMP and CUDA Kernals for Multidimensional Data," 2011 Symposium on Application Accelerators in High Performance Computing (SAAHPC'11), Knoxville, TN, July 19-21, 2011.

    T.M. Evans, G.G. Davidson, and R.N. Slaybaugh, "Three-Dimensional Full Core Power Calculations for Pressurized Water Reactors," Proceedings of the 2010 Scientific Discovery through Advanced Computing (SciDAC) Conference. Chattanooga, Tennessee, July 11-15, 2010. Oak Ridge National Laboratory. http://computing.ornl.gov/workshops/scidac2010/.

    G. Davidson and E.W. Larsen, "Sweepless Time-Dependent Transport Calculations using the Staggered Block Jacobi Method," International Conference on Mathematics, Computational Methods, and Reactor Physics (M&C 2009), Saratoga Springs, NY, May 3-7. On CD-ROM, American Nuclear Society, LaGrange Park, IL, 2009.

    G. Davidson and T.S. Palmer, "Finite Element Transport Using Wachspress Rational Basis Functions on Quadrilaterals in Diffusive Regions," Palais des Papes, Avignon, France, September 12-15. On CD-ROM, American Nuclear Society, LaGrange Park, IL, 2005.

    Awards

    Master's Thesis of the Year - Oregon State University, NE Dept. 2004.