Skip navigation
 

Publications

See TST Presentations (Password required)
See Slides from the CERT Deep Dive Workshop (password required)

Journal Articles

  1. K. Humbird and R.G. McClarren, "Adjoint-based sensitivity analysis for flux limited diffusion," Transactions of the American Nuclear Society, 113,1, 667– 670, Oct. 2015
  2. A. Chakraborty, D. Bingham, B.K. Mallick, C.C. Kuranz, R.P. Drake, M.J. Grosskopf, E. Rutter, B.R. Torralva, J.P. Holloway, and R.G. McClarren, "Emulation of Numerical Models with Over-specified Basis Functions," Technometrics, accepted July 2015
  3. Akansha Kumar, Jim E. Morel, Marvin L. Adams, "A New Indirect Measure of Diffusion Model Error," Journal of Quantitative Spectroscopy and Radiative Transfer, 163, 24-33 (2015)
  4. A.M. Holgado, J.M. Ferguson, R.G. McClarren, "Anti-Diffusive-Like-Behaviour in Semi-Analytic Radiative Shocks via Multigroup Sn Transport," High-Energy- Density Physics, 17A, 114–118, 2015
  5. R. Smedley-Stevenson, R.G McClarren, "Asymptotic diffusion limit of cell temperature discretisation schemes for thermal radiation transport," Journal of Computational Physics, 286, 214-235, 2015
  6. Hsin-Yi Yeh, Aaron Lindsey, Chih-Peng Wu, Shawna Thomas, Nancy M. Amato, "Decoy Database Improvement for Protein Folding," Special Issue of Journal of Computational Biology, 22(9), 2015, pp. 823–836
  7. Jean Ragusa, "Discontinuous Finite Element Solution of the Radiation Diffusion Equation on Arbitrary Polygonal Meshes and Locally Adapted Quadrilateral Grids," Journal of Computational Physics, 280(1), pp. 195-213 (2015)
  8. Marc O. Delcini, Jean C. Ragusa, Jim Morel, "Entropy-Based Ar- ticial Viscosity Stabilization for Non-Equilibrium Grey Radiation- Hydrodynamics," Journal of Computational Physics, 296, 293-313 (2015)
  9. Marc Delchini, Jean Ragusa, Ray Berry, "Entropy-based viscous regularization for the multi-dimensional Euler equations in low-Mach and transonicows," Computers & Fluids, in print
  10. Peter Maginot, Jean Ragusa, Jim Morel, "Lumping Techniques for DFEM SN Transport in Slab Geometry," Nucl. Sci. and Eng., 179(2), pp. 148-163 (2015)
  11. Anthony P. Barbu*, Marvin L. Adams, "Non-Linear Iterative Method for Radiative Transfer Problems," submitted to Proc. Joint International Conference on Mathematics and Computational (M&C), Supercomputing in Nuclear Applications (SNA), and the Monte Carlo (MC) Method, Nashville, TN, CDROM (2015)
  12. Marc Delchini, Jean Ragusa, Jim Morel, "Numerical solution of the 1-D Grey Radiation Hydrodynamics equations with an entropy-based artificial viscosity," Journal of Computational Physics, 296(1), pp. 293-313 (2015)
  13. Mukulika Ghosh, Daniel Tomkins, Jory Denny, Samuel Rodriguez, Marco Morales, Nancy M. Amato, "Planning Motions for Shape-Memory Alloy Sheets," Origami6, to appear
  14. Sunil S. Chirayath, Donald Giannangeli, Royal Elmore, Gordon Hollenbeck, Nandan G. Chandregowda, William S. Charlton, Richard Metcalf, and Jean C. Ragusa, "Proliferation Resistance Analysis and Evaluation Tool for Observed Risk (PRAETOR) Methodology," Journal of the Institute of Nuclear Materials Management, XLIII(2), pp.22-47 (2015)
  15. Michael P. Adams, Marvin L. Adams, Andrew T. Till*, Carolyn N. McGraw*, T. S. Bailey, "Provably Optimal Parallel Transport Sweeps with Non-Contiguous Partitions," submitted to Proc. Joint International Conference on Mathematics and Computational (M&C), Supercomputing in Nuclear Applications (SNA), and the Monte Carlo (MC) Method, Nashville, TN, CD-ROM (2015)
  16. Ioannis Papadopoulos, Nathan Thomas, Adam Fidel, Nancy M. Amato, Lawrence Rauchwerger,, "STAPL-RTS: An Application Driven Runtime System," in the Proc. 26th Intern. Conf. on Supercomputing (ICS), 2015
  17. J.T. Landman, R.G. McClarren, J.R. Madsen, A.R. Long, "Analysis of Lagged Weight Windows for Implicit Monte Carlo Variance Reduction," Transactions of the American Nuclear Society, 111,1, 648–650, Nov. 2014
  18. A.R. Long and R.G. McClarren, "Measuring Angular Discretization Error During TRT Simulations with Energy Collapsed, Single Group Calculations," Transactions of the American Nuclear Society, 111,1, 671–673, Nov. 2014
  19. William A. Wieselquist, Dimitri Y. Anistratov, Jim E. Morel, "A Cell- Local Finite-Difference Discretization of the Low-Order Quasidiffusion Equations for Neutral Particle Transport on Unstructured Quadrilateral Meshes," Journal of Computational Physics, 273, 343-357 (2014)
  20. Jon Hansen, Jacob Peterson, Jim Morel, Jean Ragusa, Yaqi Wang, "A Least-Squares Transport Equation Compatible with Voids," Journal of Computational and Theoretical Transport, (online), 1-14 (2014)
  21. Jory Denny, Read Sandstrom, Nicole Julian, Nancy M. Amato, "A Region-Based Strategy for Collaborative Roadmap Construction," Algorithmic Foundations of Robotics XI, Proceedings of the Eleventh Workshop on the Algorithmic Foundations of Robotics (WAFR 2014), Springer Tracts in Advanced Robotics, to appear
  22. G. Kanschat, and Jean C. Ragusa, "A Robust Multigrid Preconditioner For SN-DG Approximation Of Monochromatic, Isotropic Radiation Transport Problems," SIAM Journal on Scientific Computing, 36(5), pp. A2326-2345 (2014)
  23. Carolyn N. McGraw*, Marvin L. Adams, W. Daryl Hawkins*, Michael P. Adams, Timmie Smith, "Accuracy Of The Linear Discontinuous Galerkin Method For Reactor Analysis With Resolved Fuel Pins," Proc. International Conference on the Physics of Reactors, Kyoto, Japan, CD-ROM (2014)
  24. N. D. Stehle, D. Y. Anistratov, and M. L. Adams, "Computational method with domain decomposition for the simple corner balance scheme for 2D transport problems with diffusive subregions," J. Comput. Physics, 270C, 325-344, 10.1016/j.jcp.2014.03.056 (2014)
  25. Bruno Turcksin, Jean Ragusa, "Discontinuous Diffusion Synthetic Acceleration for SN Transport on 2D Arbitrary Polygonal Meshes," Journal of Computational Physics, 274, pp. 356-369 (2014)
  26. Peter Maginot, Jean Ragusa, Jim Morel, "Discontinuous finite element discretizations for the SN neutron transport equation in problems with spatially varying cross sections," Annals of Nuclear Energy, 73, pp. 506-526 (2014)
  27. Peter G. Maginot, Jean C. Ragusa, Jim E. Morel, "Discontinuous Finite Element Discretizations for the SN Neutron Transport Equation in Problems with Spatially Varying Cross Sections," Annals of Nuclear Energy, 73, 506-526 (2014)
  28. Jean-Luc Guermond, Guido Kanschat, Jean Ragusa, "Discontinuous Galerkin methods for the radiative transport equation in Recent Developments in Discontinuous Galerkin Finite Element Methods for Partial Differential Equations," The IMA Volumes in Mathematics and its Applications, Springer International Publishing, 157, pp. 181-193 (2014)
  29. Ali-akbar Agha-mohammadi, Suman Chakravorty, Nancy M. Amato, "FIRM: Sampling-based Feedback Motion Planning Under Motion Uncertainty and Imperfect Measurements," International Journal of Robotics Research, 33(2), 2014, pp. 268-304
  30. Alex Chambers, Jean Ragusa, "Multi-Recycling Of Transuranic Elements In A PWR Assembly With Reduced Fuel Rod Diameter," Nucl. Eng. and Des., 270, pp. 436-450 (2014)
  31. Don E. Bruss, Jim E. Morel, Jean C. Ragusa, "S2-SA Preconditioning for the Sn Equations with Strictly Nonnegative Spatial Discretization," Journal of Computational Physics, 273, 706-719 (2014)
  32. Don Bruss, Jim Morel, Jean Ragusa, "S2SA Preconditioning for the SN Equations with Strictly Nonnegative Spatial Discretization," Journal of Computational Physics, 273, pp. 706-719 (2014)
  33. M. L. Adams, "Stockpile Stewardship: Past, Present, and Future," American Institute of Physics Workshop on Nuclear Weapon Issues in the 21st Century, (2014)
  34. R. G. McClarren, M. L. Adams, P. A. Vaquer, C. Strack, "The Asymptotic Drift-Diffusion Limit of Thermal Neutrons," J. Comput. Theoretical Transport, doi 10.1080/00411450.2014.935860 (2014)
  35. W. Daryl Hawkins*, Teresa S. Bailey, Marvin L. Adams, Peter N. Brown, Adam J. Kunen, Michael P. Adams, Timmie Smith, Nancy M. Amato, Lawrence Rauchwerger, "Validation of Full-Domain Massively Parallel Transport Sweep Algorithms," Trans. Amer. Nucl. Soc., 111, 699-702 (2014)
  36. J. E. Morel, J. C. Ragusa, M. L. Adams, and G. Kanschat, "Asymptotic Pn-Equivalent Sn+1 Equations," Transport Theory and Statistical Physics, 42:1, 3-20, doi: 10.1080/00 411450.2013 .771366 (2013)

Conference Proceedings

  1. Chinwe Ekenna, Diane Uwacu, Shawna Thomas, Nancy M. Amato, "Improved Roadmap Connection via Local Learning for Sampling Based Planners," Proc. of the 2015 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Hamburg, Germany, Oct. 2015
  2. Ioannis Papadopoulos, Nathan Thomas, Adam Fidel, Dielli Hoxha, Nancy M. Amato, Lawrence Rauchwerger, "Asynchronous Nest Parallelism for Dynamic Applications in Distributed Memory," in Proc. 28th International Workshop on Languages and Compilers for Parallel Computing (LCPC), Chapel Hill, NC, September 2015
  3. Harshvardhan, Brandon West, Adam Fidel, Nancy M. Amato, Lawrence Rauchwerger, "A Hybrid Approach To Processing Big Data Graphs on Memory-Restricted Systems," in Proc. Int. Par. and Dist. Proc. Symp. (IPDPS), May 2015
  4. Troy McMahon, Shawna Thomas, Nancy M. Amato, "Reachable Volume RRT," Proc. of the 2015 IEEE International Conference on Robotics and Automation (ICRA), Seattle, May 2015
  5. Simon R. Bolding, Jim E. Morel, Mathew A. Cleveland, "A High-Order Low-Order Algorithm with Exponentially-Convergent Monte Carlo for Thermal Radiative Transfer," Joint International Conference on Mathematics and Computation (M&C), Supercomputing in Nuclear Applications (SNA) and the Monte Carlo Method (MC), Nashville, TN, USA
  6. Peter G. Maginot, Jim E. Morel, Jean C. Ragusa, "A Non-Negative Non-linear Petrov-Galerkin Method for Bilinear Discontinuous Differencing of the Sn Equations," Joint International Conference on Mathematics and Computation (M&C), Supercomputing in Nuclear Applications (SNA) and the Monte Carlo Method (MC), Nashville, TN, USA, April 19-23, 2015, on CD ROM, American Nuclear Society, LaGrange Park, IL (2015)
  7. Erin D. Fichtl, Randal S. Baker, and Jon A. Dahl, Jim E. Morel, "A Surface Integral Based Momentum Advection Scheme for Neutron Transport in Moving Materials," Joint International Conference on Mathematics and Computation (M&C), Supercomputing in Nuclear Applications (SNA) and the Monte Carlo Method (MC), Nashville, TN, USA
  8. J.T. Landman and R.G. McClarren, "A Volume-Dependent Fleck Factor For Added Robustness In Implicit Monte Carlo Calculations," ANS MC2015 - Joint International Conference on Mathematics and Computation (M&C), Supercomputing in Nuclear Applications (SNA) and the Monte Carlo (MC) Method, Nashville, Tennessee, April 19-23, 2015
  9. Josh Hansel, Jean C. Ragusa, J-L Guermondu, "An Explicit, Positivity-Preserving Flux- Correct Transport Scheme for the Transport Equation Using Continuous Finite Elements," ANS Joint International Conference on Mathematics and Computation (M&C), Supercomputing in Nuclear Applications (SNA) and the Monte Carlo (MC) Method, April 19-23, 2015, Nashville, TN
  10. Marc Delchini, Jean C. Ragusa, Ray Berry, David Andrs, Rich Martineau, "Application Of The Reactor System Code Relap-7 To Single- And Two-Phase Flow Water-Hammer Problems," ANS Joint International Conference on Mathematics and Computation (M&C), Supercomputing in Nuclear Applications (SNA) and the Monte Carlo (MC) Method, April 19-23, 2015, Nashville, TN
  11. Jacob R. Peterson, Hans R. Hammer, Jim E. Morel, Jean C. Ragusa, Yaqi Wang, "Conservative Nonlinear Diffusion Acceleration Applied to the Unweighted Least-Squares Transport Equation in MOOSE," Joint International Conference on Mathematics and Computation (M&C), Supercomputing in Nuclear Applications (SNA) and the Monte Carlo Method (MC), Nashville, TN, USA
  12. Don E. Bruss, Ryan G. McClarren, Marvin L. Adams, and Jim E. Morel, "Construction of a Response Surface for a Reactor-Like Problem with Realistic Cross Section Uncertainties," Joint International Conference on Mathematics and Computation (M&C), Supercomputing in Nuclear Applications (SNA) and the Monte Carlo Method (MC), Nashville, TN, USA
  13. A.R. Long, R.G. McClarren, J. Waltz, and J. Wohlbier, "Implicit Monte Carlo Adaptations For Tetrahedral Meshes With Node-Based Unknowns," ANS MC2015 - Joint International Conference on Mathematics and Computation (M&C), Supercomputing in Nuclear Applications (SNA) and the Monte Carlo (MC) Method, Nashville, Tennessee, April 19-23, 2015
  14. Andrew T. Till, Marvin L. Adams, and Jim E. Morel, "The Finite Element with Discontiguous Support Multigroup Method: Application," Joint International Conference on Mathematics and Computation (M&C), Supercomputing in Nuclear Applications (SNA) and the Monte Carlo Method (MC), Nashville, TN, USA
  15. Andrew T. Till, Marvin L. Adams, and Jim E. Morel, "The Finite Element with Discontiguous Support Multigroup Method: Theory," Joint International Conference on Mathematics and Computation (M&C), Supercomputing in Nuclear Applications (SNA) and the Monte Carlo Method (MC), Nashville, TN, USA
  16. Jean C. Ragusa, Tarek Ghaddar, and Michael Adams, "Massively Parallel Radiation Transport Sweeps on Unstructured Grids," 2015 SIAM Conference on Computational Science and Engineering, SIAM-CS& 2015, Salt Lake City, UT, USA, March 14-18, 2015
  17. Jean C. Ragusa, Marc Delchini, Ray Berry, "Low Mach and Two-Phase Flow Modeling with Moose Applications," 2015 SIAM Conference on Computational Science and Engineering, SIAM-CS& 2015, Salt Lake City, UT, USA, March 14-18, 2015
  18. Chinwe Ekenna, Shawna Thomas, Nancy M. Amato, "Adaptive Local Learning in Sampling Based Motion Planning for Protein Folding," Proc. IEEE International Conference on Bioinformatics & Biomedicine (BIBM), 2015
  19. Harshvardhan, Adam Fidel, Nancy M. Amato, Lawrence Rauchwerger, "An Algorithmic Approach to Communication Reduction in Parallel Graph Algorithms," in the Proc. of the 24th International Conference on Parallel Architectures and Compilation Techniques (PACT), 2015. Conference Best Paper Award Finalist
  20. Mani Zandifar, Mustafa Abduljabbar, Alireza Majidi, Nancy Amato, Lawrence Rauchwerger and David Keyes, "Composing Algorithmic Skeletons to Express High-Performance Scientific Applications," in the Proc. 26th Intern. Conf. on Supercomputing (ICS), 2015. Conference Best Paper Award
  21. Marc Delchini, Jean Ragusa, Ray Berry, "Extension of the entropy viscosity method to the low-Mach regime for the multi-dimensional Euler equations," Trans. Am. Nucl. Soc., ANS Meeting, Anaheim, CA, USA, November 9-November 13, 2014
  22. Michael Hackemackz, Jean Ragusa, "A DFEM Formulation of the Diffusion Equation on Arbitrary Polyhedral Grids," Trans. Am. Nucl. Soc., ANS Meeting, Anaheim, CA, USA, November 9-November 13, 2014
  23. Marc Delchini, Jean Ragusa, Ray Berry, "Application of the entropy viscosity method to the 1-D 7-equation Model for Two-Phase Flows," Trans. Am. Nucl. Soc., ANS Meeting, Anaheim, CA, USA, November 9-November 13, 2014
  24. A. T. Till, M. L. Adams, and J. E. Morel, "“A Generalized Multigroup Method Based on Finite Elements,” Proceedings of the International Conference on the Physics of Nuclear Reactors (PHYSOR)," Kyoto, Japan, September 28-October 3, 2014, Japan Atomic Energy Agency, JAEA-Conf 2014-003
  25. Damien Lebrun-Grandie, Jean Ragusa, Rahul Sampath, "Efficient Finite Element Field Interpolation for Multiphysics Applications," PHYSOR 2014 - The Role of Reactor Physics toward a Sustainable Future, Kyoto, Japan, September 28 - October 3, 2014, on CD-ROM (2014)
  26. Marc Delchini, Jean Ragusa, Ray Berry, "Extension of the Entropy Viscosity Method to Flows with Friction Forces and Source Terms," PHYSOR 2014 - The Role of Reactor Physics toward a Sustainable Future, Kyoto, Japan, September 28 - October 3, 2014, on CD-ROM (2014)
  27. C.M.Chance, J.I.C.Vermaak, Jean Ragusa, "Steady-State Subchannel Analysis of Partially Blocked Coolant Channels in a Pool-Type TRIGA Reactor," PHYSOR 2014 - The Role of Reactor Physics toward a Sustainable Future, Kyoto, Japan, September 28 - October 3, 2014, on CD-ROM (2014)
  28. Troy McMahon, Shawna Thomas, Nancy M. Amato, "Sampling-Based Motion Planning with Reachable Volumes: Application to Manipulators and Closed Chain Systems," Proc. of the 2014 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Chicago, Sept. 2014
  29. Sam Jacobs, Nancy M. Amato, "The Anatomy of a Distributed Motion Planning Roadmap," Proc. of the 2014 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Chicago, Sept. 2014
  30. Mani Zandifar, Nathan Thomas, Nancy M. Amato, Lawrence Rauchwerger, "The STAPL Skeleton Framework," in Proc. 27th International Workshop on Languages and Compilers for Parallel Computing (LCPC), Hillsboro, OR, September 2014
  31. Tarek Ghaddar, Jean C. Ragusa , "Mesh Generation for Transport Sweeps Using a Piece Wise Linear Discontinuous Discretization," Trans. Am. Nucl. Soc., ANS Meeting, Reno, NV, USA, June 15-19, 2014
  32. Jory Denny, Evan Greco, Shawna Thomas, Nancy M. Amato, "MARRT: Medial Axis Biased Rapidly-Exploring Random Trees," Proc. of the 2014 IEEE International Conference on Robotics and Automation (ICRA), Hong Kong, May 2014
  33. Andrew Giese, Daniel Latypov, Nancy M. Amato, "Reciprocally-Rotating Velocity Obstacles," Proc. of the 2014 IEEE International Conference on Robotics and Automation (ICRA), Hong Kong, May 2014
  34. Ali-akbar Agha-mohammadi, Saurav Agarwal, Aditya Mahadevan, Suman Chakravorty, Daniel Tomkins, Jory Denny, Nancy M. Amato, "Robust Online Belief Space Planning in Changing Environments: Application to Physical Mobile Robots," Proc. of the 2014 IEEE International Conference on Robotics and Automation (ICRA), Hong Kong, May 2014
  35. Troy McMahon, Shawna Thomas, Nancy M. Amato, "Sampling-Based Motion Planning with Reachable Volumes: Theoretical Foundations," Proc. of the 2014 IEEE International Conference on Robotics and Automation (ICRA), Hong Kong, May 2014
  36. Kensen Shi, Jory Denny, Nancy M. Amato, "Spark PRM: Using RRTs Within PRMs to Eff- ciently Explore Narrow Passages," Proc. of the 2014 IEEE International Conference on Robotics and Automation (ICRA), Hong Kong, May 2014
  37. Hsin-Yi (Cindy) Yeh, Jory Denny, Aaron Lindsey, Shawna Thomas, Nancy M. Amato, "UMAPRM: Uniformly Sampling the Medial Axis," Proc. of the 2014 IEEE International Con- ference on Robotics and Automation (ICRA), Hong Kong, May 2014
  38. S. R. Bolding and Jim E. Morel, "A High-Order/Low-Order Algorithm with Exponentially-Convergent Monte Carlo for k-Eigenvalue Problems," Transactions of the American Nuclear Society
  39. Roger Pearce, Maya Gokhale, Nancy M. Amato, "Faster Parallel Traversal of Scale Free Graphs at Extreme Scale with Vertex Delegates," in the Proc. of the ACM/IEEE Supercomputing Conference 2014 (SC14), 2014
  40. Harshvardhan, Adam Fidel, Nancy M. Amato, Lawrence Rauchwerger, "KLA: A New Algorithmic Paradigm for Parallel Graph Computations," in the Proc. of the 23rd International Conference on Parallel Architectures and Compilation Techniques (PACT), 2014. Conference Best Paper Award
  41. Olga Pearce, Todd Gamblin, Bronis de Supinski, Tom Arsenlis, and Nancy M. Amato, "Load Balancing N-body Simulations with Highly Non-Uniform Density," in the Proc. 26th Intern. Conf. on Supercomputing (ICS), 2014
  42. Adam Fidel, Sam Ade Jacobs, Shishir Sharma, Nancy M. Amato, Lawrence Rauchwerger, "Using Load Balancing to Scalably Parallelize Sampling-Based Motion Planning Algorithms," in the Proc. of the 28th IEEE International Parallel & Distributed Processing Symposium (IPDPS), 2014

Presentations

  1. Jim E. Morel, "Center for Exascale Radiation Transport: Project Overview," ASC PI Meeting, Kansas City, MO, 26 Febrary 2014. See Document (About File Types)
  2. Lawrence Rachwerger, "Toward Exascale Computing with STAPL," PSAAP-II Kick-off Meeting, Albuquerque, NM, 9-10 December 2013. See Document (About File Types)
  3. Jim E. Morel, "CERT Project Overview," PSAAP-II Kick-off Meeting, Albuquerque, NM, 9-10 December 2013. See Document (About File Types)