Publications

The links on this page offer access to a variety of recent publications in CCS-4. These publications have been saved as Adobe Acrobat PDF files. Click here to download the free Adobe Acrobat Reader.

All publications must be reviewed and released for external distribution prior to being posted on the CCS-4 homepage. For Technical Information Release assistance, please contact the CCS-4 Group Office Administrator at (505)667-4189.

Author: Jon A. Dahl

• Positive Scattering Cross Sections Using Constrained Least Squares, LA-UR-99-1281
• C5G7 Mox Benchmark Problem Results From the Partisn Transport Code, LA-UR-02-0510

Author: Mike Buksas

• Release Notification: MILAGRO-3_0_01: Multigroup, LA-UR-02-3213
• Release 1_0_0 of UncleMcFlux, the Uncollided Monte Carlo Flux Package, LA-UR-???

Author: Thomas Evans

• Linear Error Analysis for the Residual Equilibrium Discrete Diffusion Monte Carlo (REqDDMC) Method, LA-UR-03-2300
• Shadow-Object Interface Between Fortran 95 and C++, LA-UR-98-5735
• Release Notification: MILAGRO-3_0_01: Multigroup, LA-UR-02-3213
• MILAGRO Implicit Monte Carlo: New Capabilities and Results, LA-UR-00-6118
• MILAGRO: A Parallel Implicit Monte Carlo Code for 3-D Radiative Transfer, LA-UR-98-5506
• Software Testing in Milagro, Draco, and the Jayenne Project (Revised), LA-UR-99-3482
• Release Notification: MILAGRO-1_0_0, LA-UR-99-2948
• Release Notification: MILAGRO-1_1_0, LA-UR-995694
• Release Notification: MILAGRO-1_2_0, LA-UR-99-6087
• Momentum Deposition in IMC Codes, LA-UR-00-2183
• Post-Mortem Review of the Jayenne Code Project, LA-UR-02-2445

Author: Mark G. Gray

• Shadow-Object Interface Between Fortran 95 and C++, LA-UR-98-5735
• Object Based Programming in Fortran 90, LA-UR-97-1505
• Verification of Radiation Transport Packages, LA-UR-98-5492

Author: Grady Hughes

• Moment-Based Effective Transport Equations for Energy Straggling, LA-UR-02-1561

Author: Aimee Hungerford

• Gamma-Ray Lines from Asymmetric Supernovae, LA-UR-02-2217

Author: Henry Lichtenstein

• Exponential Monte Carlo Convergence of a Three-Dimensional Discrete Ordinates Solution, LA-UR-99-5963
• Expontential Convergence Rates for Reduced Source Monte Carlo Transport in [x,mu] Geometry, LA-UR-98-5715
  (Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, Figure 7, Figure 8, Figure 9)

John M. McGhee

• Discontinuous Finite Element Sn Methods on 3-D Unstructured Grids, LA-UR-99-6340
• A Diffusion Synthetic Acceleration Method for the Sn Equations With Discontinuous Finite Element Space and Time Differencing, LA-UR-99-1224
• Self-Adjoint Angular Flux Equation, LA-UR-98-1781

Author: Jim E. Morel

• Linear Error Analysis for the Residual Equilibrium Discrete Diffusion Monte Carlo (REqDDMC) Method, LA-UR-03-2300
• 3-D Deterministic Transport Research at LANL under ASCI, LA-UR-00-140A
• Local Support-Operators Diffusion Discretization Scheme for Hexahedral Meshes, LA-UR-99-4358
• Simplified Eulerian-Frame Material-Motion Corrections for Radiative Transfer Calculations, LA-UR-99-2541
• Diffusion-Limit Asymptotics of the Transport Equation, the P1/ 3 Equations, and Two Flux-Limited Diffusion Theories, LA-UR-99-2540A
• Self-Adjoint Angular Flux Equation, LA-UR-98-1781
• Discontinuous Finite Element Sn Methods on 3-D Unstructured Grids, LA-UR-99-6340
• A Diffusion Synthetic Acceleration Method for the Sn Equations With Discontinuous Finite Element Space and Time Differencing, LA-UR-99-1224
• Positive Scattering Cross Sections Using Constrained Least Squares, LA-UR-99-1281
• Monte Carlo Solution of a Spatially-Discrete Transport Equation
  Part I: Transport, LA-UR-99-5156
• Monte Carlo Solution of a Spatially-Discrete Transport Equation
  Part II: Diffusion and Transport/Diffusion, LA-UR-99-5157

Author: Gordon L. Olson

• Diffusion, P1, and Other Approximate Forms of Radiation Transport, LA-UR-99-471
• A Multigrid Newton-Krylov Method for Multimaterial Equilibrium Radiation Diffusion, LA-UR-98-2153
• Non-Grey Benchmark Results for Two Temperature Non-Equilibrium Radiative Transfer, LA-UR-98-1363
• An Efficient Nonlinear Solution Method for Non-equilibrium Radiation Diffusion, LA-UR-98-2154
• An Analytical Benchmark for Non-Equilibrium Radiative Transfer in an Isotropically Scattering Medium, LA-UR-96-1799
• Benchmark Results for the Non-Equilibrium Marshak Diffusion Problem, LA-UR-96-0488

Author: Shawn D. Pautz

• An Angular Multigrid Acceleration Method for Sn Equations with Highly Forward-Peaked Scattering, LA-UR-99-1691
• An Asymptotic Study of Discretized Transport Equations in the Fokker-Planck Limit, LA-UR-99-1625
• Discontinuous Finite Element Sn Methods on 3-D Unstructured Grids, LA-UR-99-6340

Author: Kelly G. Thompson

• A Spatial Discretization for Solving the Transport Equation on Unstructured Grids of Polyhedra, LA-UR-99-2121
• Gandolf Opacity Package for Draco, LA-UR-
• EOSPAC Equation of State Package for Draco, LA-UR-

Author: Scott A. Turner

• Automatic Mesh Coarsening for Discrete Ordinates Codes, LA-UR-99-0994

Author: Todd J. Urbatsch

• Component-Based Software Development, LA-UR-03-3937
• Contributions to the FY03 Code Strategy, LA-UR-03-3931
• Linear Error Analysis for the Residual Equilibrium Discrete Diffusion Monte Carlo (REqDDMC) Method, LA-UR-03-2300
• Monte Carlo Methods for Thermal Radiative Transfer, LA-UR-03-0215
• Release Notification: MILAGRO-3_0_01: Multigroup, LA-UR-02-3213
• Monte Carlo Solution of a Spatially-Discrete Transport Equation
  Part I: Transport, LA-UR-99-5156
• Monte Carlo Solution of a Spatially-Discrete Transport Equation
  Part II: Diffusion and XTransport/Diffusion, LA-UR-99-5157
• MILAGRO Implicit Monte Carlo: New Capabilities and Results, LA-UR-00-6118
• MILAGRO: A Parallel Implicit Monte Carlo Code for 3-D Radiative Transfer, LA-UR-98-5506
• Software Testing in Milagro, Draco, and the Jayenne Project (Revised), LA-UR-99-3482
• Release Notification: MILAGRO-1_0_0, LA-UR-99-2948
• Release Notification: MILAGRO-1_1_0, LA-UR-99-5694
• Release Notification: MILAGRO-1_2_0, LA-UR-99-6087
• Momentum Deposition in IMC Codes, LA-UR-00-2183
Strategies for Parallel Implicit Monte Carlo, LA-UR-98-2263
• Post-Mortem Review of the Jayenne Code Project, LA-UR-02-2445

Author: Todd A. Wareing

• A Diffusion Synthetic Acceleration Method for the Sn Equations With Discontinuous Finite Element Space and Time Differencing, LA-UR-99-1224
• Discontinuous Finite Element Sn Methods on 3-D Unstructured Grids, LA-UR-99-6340
• 3-D Deterministic Transport Research at LANL under ASCI, LA-UR-00-140A

Author: James Warsa

• "Fully Consistent Diffusion Synthetic Acceleration of Linear Discontinuous Transport Discretizations on Three- Dimensional Unstructured Meshes", LA-UR-01-2674
• "Preconditioning a Mixed Discontinuous Finite Element Method for Radiation Diffusion", LA-UR-02-3793
• "A Note on a Discontinuous Galerkin Method for Radiation Diffusion", LA-UR-02-5543
• "Diffusion Synthetic Acceleration - Part I: Deficiencies in Multi-Dimensional Heterogeneous Problems", LA-UR-02-0345
• "Diffusion Synthetic Acceleration - Part II: Krylov Methods for Multi-Dimensional Heterogeneous Problems", LA-UR-02-0346
• "Krylov Subspace Iterations for Deterministic k-Eigenvalue Calculations", LA-UR-02-4513
• "Solution of the Discontinuous P1 Equations in Two-Dimensional Cartesian Geometry with Two-Level Preconditioning", LA-UR-00-2827
• "Krylov Subspace Iterations for the Calculation of k-Eigenvalues with SN Transport Codes", LA-UR-02-6666
• "On the Degraded Effectiveness of Diffusion Synthetic Acceleration for Multidimensional SN Calculations in the Presence of Material Discontinuities", LA-UR-02-6667
• "Krylov Iterative Methods Applied to Multidimensional SN Calculations in the Presence of Material Discontinuities", LA-UR-02-6668