Publications
Books
- W. L. Oberkampf and C. J. Roy, Verification and Validation in Scientific Computing, Cambridge University Press, Cambridge, 2010.
Book Chapters and Encyclopedic Contributions
- C. J. Roy and W. L. Oberkampf, “Simulation Verification and Validation,” The McGraw-Hill Yearbook of Science and Technology 2009, McGraw-Hill, New York, 2009.
- C. J. Roy, “Verification,” Encyclopedia of Applied and Computational Mathematics, Editor: Björn Engquist, Springer-Verlag Berlin Heidelberg, December 2015, pp. 1530-1537.
- C. J. Roy and W. L. Oberkampf, “Validation,” Encyclopedia of Applied and Computational Mathematics, Editor: Björn Engquist, Springer-Verlag Berlin Heidelberg, December 2015, pp. 1509-1515.
- C. J. Roy and W. L. Oberkampf, “Chapter 44: Verification and Validation in Computational Fluid Dynamics,” Handbook of Fluid Dynamics, 2nd Ed., Editor: R. W. Johnson, CRC Press, Boca Raton, FL, March 2016.
Selected Journal Publications (for the full list, see my CV)
- C. J. Roy, “Grid Convergence Error Analysis for Mixed-Order Numerical Schemes,” AIAA Journal, Vol. 41, No. 4, April 2003, pp. 595-604.
- C. J. Roy, M. A. McWherter-Payne, and W. L. Oberkampf, “Verification and Validation for Laminar Hypersonic Flowfields Part 1: Verification,” AIAA Journal, Vol. 41, No. 10, 2003, pp. 1934-1943.
- C. J. Roy, W. L. Oberkampf, and M. A. McWherter-Payne, “Verification and Validation for Laminar Hypersonic Flowfields Part 2: Validation,” AIAA Journal, Vol. 41, No. 10, 2003, pp. 1944-1954.
- C. J. Roy, C. C. Nelson, T. M. Smith, and C. C. Ober, “Verification of Euler / Navier-Stokes Codes using the Method of Manufactured Solutions,” International Journal for Numerical Methods in Fluids, Vol. 44, No. 6, 2004, pp. 599-620.
- C. J. Roy, “Review of Code and Solution Verification Procedures for Computational Simulation,” Journal of Computational Physics, Vol. 205, No. 1, 2005, pp. 131-156, REVIEW ARTICLE.
- C. J. Roy and F. G. Blottner, “Review and Assessment of Turbulence Models for Hypersonic Flows,” Progress in Aerospace Sciences, Vol. 42, 2006, pp. 469-530, REVIEW ARTICLE.
- M. A. Barone and C. J. Roy, “Evaluation of Detached Eddy Simulation for Turbulent Wake Applications,” AIAA Journal, Vol. 44, No. 12, 2006, pp. 3062-3071.
- C. J. Roy, A. Raju, and M. M. Hopkins, “Estimation of Discretization Errors using the Method of Nearby Problems,” AIAA Journal, Vol. 45, No. 6, 2007, pp. 1232-1243 (DOI: 10.2514/1.24282).
- C. J. Roy and A. J. Sinclair, “On the Generation of Exact Solutions for Evaluating Numerical Schemes and Estimating Discretization Error,” Journal of Computational Physics, Vol. 228, No. 5, 2009, pp. 1790-1802 (DOI: 10.1016/j.jcp.2008.11.008).
- S. P. Veluri, C. J. Roy, A. Ahmed, R. Rifki, J. C. Worley, and B. Recktenwald, “Joint Computational/Experimental Aerodynamic Study of a Simplified Tractor/Trailer Geometry,” Journal of Fluids Engineering, Vol. 131, No. 8, August 2009, 9 pages (DOI: 10.1115/1.3155995).
- R. K. Duggirala, C. J. Roy, and J. A. Schetz, “Analysis of Interference Drag for Strut-Strut Interaction in Transonic Flow,” AIAA Journal, Vol. 49, No. 3, 2011, pp. 449-462 (DOI: 10.2514/1.45703).
- C. J. Roy and W. L. Oberkampf, “A Comprehensive Framework for Verification, Validation, and Uncertainty Quantification in Scientific Computing,” Computer Methods in Applied Mechanics and Engineering, Vol. 200, 2011, pp. 2131-2144 (DOI: 10.1016/j.cma.2011.03.016).
- C. J. Roy and M. S. Balch, “A Holistic Approach to Uncertainty Quantification with Application to Supersonic Nozzle Thrust,” International Journal for Uncertainty Quantification, Vol. 2, No. 4, 2012, pp. 363-381 (DOI: 10.1615/Int.J.UncertaintyQuantification.2012003562).
- S. P. Veluri, C. J. Roy, and E. A. Luke, “Comprehensive Code Verification Techniques for Finite Volume CFD Codes,” Computers and Fluids, Vol. 70, pp. 59-72, 2012 (DOI: http://dx.doi.org/10.1016/j.compfluid.2012.04.028).
- T. S. Phillips and C. J. Roy, “Richardson Extrapolation-based Discretization Uncertainty Estimation for Computational Fluid Dynamics,” Journal of Fluids Engineering, Vol. 136, 2014, pp. 121401-1 to 121401-10.
- B. P. Pickering, C. W. Jackson, T. R. W. Scogland, W.-C. Feng, and C. J. Roy, “Directive-Based GPU Programming for Computational Fluid Dynamics,” Computers and Fluids, Vol. 114, 2015, pp. 242-253.
- A. Choudhary, I. T. Voyles, C. J. Roy, W. L. Oberkampf, and M. Patil, “Probability Bounds Analysis Applied to the Sandia Verification and Validation Challenge Problem,” Journal of Verification, Validation, and Uncertainty Quantification, Vol. 1, March 2016, 13 pages.
- A. Choudhary, C. J. Roy, E. A. Luke, and S. P. Veluri, “Code Verification of Boundary Conditions for Compressible and Incompressible Computational Fluid Dynamics Codes,” Computers and Fluids, Vol. 126, March 2016, pp. 153-169 (DOI: 10.1016/j.compfluid.2015.12.003).
- A. Choudhary, C. J. Roy, J.-F. Dietiker, M. Shahnam, R. Garg, and J. Musser, “Code Verification for Multiphase Flows using the Method of Manufactured Solutions,” International Journal of Multiphase Flow, Vol. 80, April 2016, pp. 150-163 (DOI: 10.1016/j.ijmultiphaseflow.2015.12.006).
- J. A. Freeman and C. J. Roy, “Global Optimization under Uncertainty for Tractor-Trailer Base Flaps,” ASME Journal of Verification, Validation, and Uncertainty Quantification, Vol. 1, June 2016, 16 pages.
Selected Keynote Talks and Invited Papers (for the full list, see my CV)
C. J. Roy, “Verification of Codes and Solutions in Computational Simulation,” invited paper, Proceedings of Computational Heat Transfer 2004, ICHMT International Symposium on Advances in Computational Heat Transfer, Norway, April 19-24, 2004.
C. J. Roy, "Strategies for Driving Mesh Adaptation in CFD (Invited)," AIAA 2009-1302, invited paper for session on Error Estimation and Control, 47th AIAA Aerospace Sciences Meeting, Orlando, Florida, January 5-8, 2009
C. J. Roy and W. L. Oberkampf, “A Complete Framework for Verification, Validation, and Uncertainty Quantification in Scientific Computing,” AIAA 2010-124, invited paper for session on Verification, Validation, and Uncertainty Quantification in CFD, 48th AIAA Aerospace Sciences Meeting, Orlando, FL, Jan. 4-7, 2010.
C. J. Roy, (presentation co-author: W. L. Oberkampf), “Overview of Verification and Validation in Scientific Computing,” Keynote Lecture for the Symposium on CFD Verification and Validation, 3rd Joint US-European Fluids Engineering Summer Meeting, Montreal, Canada, August 1-5, 2010.
C. J. Roy, “Survey of Residual-based Methods for Estimating Discretization Error,” invited paper, American Nuclear Society: 2010 Winter Meeting and Nuclear Technology Expo, November 7-11, 2010, Las Vegas, Nevada.
C. J. Roy, “Code Verification: Past, Present, and Future,” Keynote talk for the ASME Verification and Validation Symposium, May 13-15, 2015, Las Vegas, Nevada.
Selected Conference Papers (for the full list, see my CV)
J. A. Freeman and C. J. Roy, “Application of Optimization Under Uncertainty: 2-D Tractor-Trailer Base Flaps,” AIAA Paper 2012-0671, 50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, 09 - 12 January 2012, Nashville, Tennessee.
J. A. Freeman and C. J. Roy, “Verification and Validation of RANS Turbulence Models in Commercial Flow Solvers,” AIAA Paper 2012- 0462, 50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, 09 - 12 January 2012, Nashville, Tennessee.
A. Choudhary and C. J. Roy, “A Truncation Error-Based Approach to Understanding and Improving Mesh Quality in CFD,” AIAA Paper 2012-0607, 50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, 09 - 12 January 2012, Nashville, Tennessee.
T. S. Phillips and C. J. Roy, “Residual Methods for Discretization Error Estimation,” AIAA 2011-3870, 20th AIAA Computational Fluid Dynamics Conference, June 27-30, 2011, Honolulu, Hawaii.
A. Choudhary, C. J. Roy, E. A. Luke, and S. P. Veluri, “Issues in Verifying Boundary Conditions for 3D Unstructured CFD Codes,” AIAA 2011-3868, 20th AIAA Computational Fluid Dynamics Conference, June 27-30, 2011, Honolulu, Hawaii.
T. S. Phillips and C. J. Roy, “Evaluation of Extrapolation-Based Discretization Error and Uncertainty Estimators,” AIAA Paper 2011-215, 49th AIAA Aerospace Sciences, Jan. 4-7, 2011, Orlando, Florida.
E. J. Alyanak, C. J. Roy, and A. Choudhary, “Investigation of Optimal Grid Distributions for Burgers’ Equation,” AIAA Paper 2011-888, 49th AIAA Aerospace Sciences, Jan. 4-7, 2011, Orlando, Florida.
C. J. Roy, "Review of Discretization Error Estimators in Scientific Computing," AIAA 2010-126, 48th AIAA Aerospace Sciences Meeting, Orlando, FL, Jan. 4-7, 2010.
S. P. Veluri, C. J. Roy, and E. A. Luke, "Comprehensive Code Verification for an Unstructured Finite Volume CFD Code," AIAA Paper 2010-127, 48th AIAA Aerospace Sciences Meeting, Orlando, FL, Jan. 4-7, 2010.
C. J. Roy, "Practical Software Engineering Strategies for Scientific Computing," AIAA Paper 2009-3997, 19th AIAA Computational Fluid Dynamics Conference, San Antonio, Texas, June 2009
J. Doyle, R. Hartfield, and C. J. Roy, "Aerodynamic Optimization for Freight Trucks using a Genetic Algorithm and CFD," AIAA Paper 2008-323, 46th AIAA Aerospace Sciences Meeting, Reno, Nevada, January 7-10, 2008 .
C. J. Roy and H. Ghuge, “Detached Eddy Simulations of a Simplified Tractor/Trailer Geometry,” Presented at The Aerodynamics of Heavy Vehicles II: Trucks, Buses, and Trains, Engineering Conferences International, Lake Tahoe, California, August 26-31, 2007.
C. J. Roy, E. Tendean, S. P. Veluri, R. Rifki, S. Hebert, and E. A. Luke, "Verification of RANS Turbulence Models in Loci-CHEM Using the Method of Manufactured Solutions," AIAA Paper 2007-4203, Miami, Florida, June 2007.
C. J. Roy and H. Ghuge, "Detached Eddy Simulations of a Simplified Tractor/Trailer Geometry," Presented at The Aerodynamics of Heavy Vehicles II: Trucks, Buses, and Trains, Engineering Conferences International, Lake Tahoe, California, August 26-31, 2007 .
Roy, C. J. and Blottner, F. G., "Review and Assessment of Turbulence Models for Hypersonic Flows: 2D/Axisymmetric Cases," AIAA Paper 2006-0713, Reno, NV, Jan. 2006.
Roy, C. J., Brown, J. C., DeChant, L. J., and Barone, M. A., "Unsteady Turbulent Flow Simulations of the Base of a Generic Tractor/Trailer," AIAA Paper 2004-2255, 34th AIAA Fluid Dynamics Meeting, Portland, OR, June 2004.
Roy, C. J., DeChant, L. J., Payne, J. L., and Blottner, F. G., "Bluff-Body Flow Simulations using Hybrid RANS/LES," AIAA Paper 2003-3889, Orlando, FL, June 2003.
Roy, C. J., Gallis, M. A., Payne, J. L., and Bartel, T. J., "Navier-Stokes and DSMC Simulations for Hypersonic Laminar Shock-Shock Interaction Flows," AIAA Paper 2002-0737, Reno, NV, Jan. 14-17, 2002.
Roy, C. J., Bartel, T. J., Gallis, M. A., and Payne, J. L., "DSMC and Navier-Stokes Predictions for Hypersonic Laminar Interacting Flows," AIAA Paper 2001-1030, Reno, NV, Jan. 8-11, 2001.