2013
Summary of Data from the 5th AIAA Drag Prediction Workshop (3.7MB pdf)
         D. W. Levy, K. R. Laflin, E. N. Tinoco, J. C. Vassberg, M. Mani, B. Rider, C. L. Rumsey, R. A. Wahls, J. H. Morrison, O. P. Brodersen, S. Crippa, D. J. Mavriplis and M. Murayama
         AIAA Paper 2013-0046; 51st AIAA Aerospace Sciences Meeting and Exhibit, Grapevine TX, January 7-10, 2013.
CFL3D, FUN3D and NSU3D Contributions to the Fifth Drag Prediction Workshop (5MB pdf)
         M. A. Park, K. R. Laflin, M. S. Chaffin, N. Powell and D. W. Levy
         AIAA Paper 2013-0050; 51st AIAA Aerospace Sciences Meeting and Exhibit, Grapevine TX, January 7-10, 2013.
Efficient adaptation using discrete adjoint error estimates in unsteady flow problems (1.6MB pdf)
         B. T. Flynt and D. J. Mavriplis
         AIAA Paper 2013-0520; 51st AIAA Aerospace Sciences Meeting and Exhibit, Grapevine TX, January 7-10, 2013.
Quasi-periodic time-spectral method for aeroelastic flutter analysis (415KB pdf)
         N. Mundis and D. J. Mavriplis
         AIAA Paper 2013-0638; 51st AIAA Aerospace Sciences Meeting and Exhibit, Grapevine TX, January 7-10, 2013.
Geometry optimization in three-dimensional unsteady flow problems using the discrete adjoint (629KB pdf)
         K. Mani and D. J. Mavriplis
         AIAA Paper 2013-0662; 51st AIAA Aerospace Sciences Meeting and Exhibit, Grapevine TX, January 7-10, 2013.
Comparison of SU/PG and DG finite element techniques for the compressible Navier-Stokes equations on anisotropic unstructured meshes (1.2MB pdf)
         R. S. Glasby, N. K. Burgess, W. K. Anderson, L. Wang, D. J. Mavrplis and S. R. Allmaras
         AIAA Paper 2013-0691; 51st AIAA Aerospace Sciences Meeting and Exhibit, Grapevine TX, January 7-10, 2013.
Results using NSU3D for the first Aeroelastic Prediction Workshop (2.9MB pdf)
         D. J. Mavriplis, Z. Yang and M. Long
         AIAA Paper 2013-0786; 51st AIAA Aerospace Sciences Meeting and Exhibit, Grapevine TX, January 7-10, 2013.



2012
Gradient Based Methods for Uncertainty Quantification in Hypersonic Flows (330KB pdf)
         B. Lockwood and D. J. Mavriplis
         Paper presented at the International Workshop on Future of CFD and Aerospace Science, Kobe, Japan, June 2012 (to appear in Computer and Fluids).
Adjoint-Based Unsteady Airfoil Design Optimization with Application to Dynamic Stall (6.5MB pdf)
         K. Mani, B. Lockwood and D. J. Mavriplis
         Paper presented at AHS Forum 68, Fort Worth TX, May 2012.
Discrete Adjoint-Based Adaptive Error Control in Unsteady Flow Problems (1.5MB pdf)
         B. T. Flynt and D. J. Mavriplis
         AIAA Paper 2012-78; 50th AIAA Aerospace Sciences Meeting and Exhibit, Nashville TN, January 9-12, 2012.
Extensions of Time Spectral Methods for Practical Rotorcraft Problems (3.7MB pdf)
         D. J. Mavriplis, Z. Yang and N. Mundis
         AIAA Paper 2012-423; 50th AIAA Aerospace Sciences Meeting and Exhibit, Nashville TN, January 9-12, 2012.
Robust Computation of Turbulent Flows using a Discontinuous Galerkin Method (8.3 MB pdf)
         N. K. Burgess and D. J. Mavriplis
         AIAA Paper 2012-457; 50th AIAA Aerospace Sciences Meeting and Exhibit, Nashville TN, January 9-12, 2012.
GPU Parallelization of an Unstructured Overset Grid Incompressible Navier-Stokes Solve for Moving Bodies (11 MB pdf)
         D. Chandar, J. Sitaraman and D. Mavriplis
         AIAA Paper 2012-723; 50th AIAA Aerospace Sciences Meeting and Exhibit, Nashville TN, January 9-12, 2012.
Mixed Aleatory/Epistemic Uncertainty Quantification for Hypersonic Flows via Gradient Based Optimization and Surrogate Models (8.3MB pdf)
         B. Lockwood, M. Anitescu and D. J. Mavriplis
         AIAA Paper 2012-1254; 50th AIAA Aerospace Sciences Meeting and Exhibit, Nashville TN, January 9-12, 2012.
Capability Enhancements in Version 3 of the Helios High Fidelity Rotorcraft Simulation Code (11 MB pdf)
         A. Wissink, B. Jayaraman, A. Datta, J. Sitaraman, M. Potsdam, S. Kamkar, D. Mavriplis, Z. Yang, R. Jain, J. Lim and R. Strawn
         AIAA Paper 2012-713; 50th AIAA Aerospace Sciences Meeting and Exhibit, Nashville TN, January 9-12, 2012.



2011
Uncertainty Quantification in Viscous Hypersonic Flows using Gradient Information and Surrogate Modeling (0.8MB pdf)
         B. A. Lockwood, M. P. Rumpfkeil, W. Yamazaki, and D. J. Mavriplis
         AIAA Paper 2011-885; 49th AIAA Aerospace Sciences Meeting and Exhibit, Orlando FL, January 4-7, 2011.
Overview of the Helios Version 2.0 Computational Platform for Rotorcraft Simulations (4.2MB pdf)
         V. Sankaran, A. Wissink, A. Datta, J. Sitaraman, B. Jayaraman, M. Potsdam, A. Katz, S. Kamkar, B. Roget, D. Mavriplis, H. Saberi, W.B. Chen, W. Johnson, and R. Strawn
         AIAA Paper 2011-1105; 49th AIAA Aerospace Sciences Meeting and Exhibit, Orlando FL, January 4-7, 2011.
Rotor Loads Prediction Using Helios: A Multi-Solver Framework for Rotorcraft CFD/CSD Analysis (9.2MB pdf)
         J. Sitaraman, M. Potsdam, B. Jayaraman, A. Datta, A. Wissink, D. Mavriplis, and H. Saberi
         AIAA Paper 2011-1123; 49th AIAA Aerospace Sciences Meeting and Exhibit, Orlando FL, January 4-7, 2011.
NSU3D Results for the First AIAA High Lift Prediction Workshop (5.0MB pdf)
         M. Long and D. Mavriplis
         AIAA Paper 2011-863; 49th AIAA Aerospace Sciences Meeting and Exhibit, Orlando FL, January 4-7, 2011.
Efficient Solutions of the Euler Equations in a Time-Adaptive Space-Time Framework (2.6MB pdf)
         K. Mani and D. Mavriplis
         AIAA Paper 2011-774; 49th AIAA Aerospace Sciences Meeting and Exhibit, Orlando FL, January 4-7, 2011.
A Dynamic Sampling Method for Kriging and Cokriging Surrogate Models (3.2MB pdf)
         M. Rumpfkeil, W. Yamazaki and D. Mavriplis
         AIAA Paper 2011-883; 49th AIAA Aerospace Sciences Meeting and Exhibit, Orlando FL, January 4-7, 2011.
An Overset Unstructured Mesh Discontinuous Galerkin Approach for Aerodynamic Problems (0.8MB pdf)
         C. Nastase, D. Mavriplis and J. Sitaraman
         AIAA Paper 2011-195; 49th AIAA Aerospace Sciences Meeting and Exhibit, Orlando FL, January 4-7, 2011.
An hp-Adaptive Discontinuous Galerkin Solver for Aerodynamic flows on Mixed-Element Meshes (3.8MB pdf)
         N. Burgess and D. Mavriplis
         AIAA Paper 2011-490; 49th AIAA Aerospace Sciences Meeting and Exhibit, Orlando FL, January 4-7, 2011.
Derivative-Enhanced Variable Fidelity Surrogate Modeling for Aerodynamic Functions (2.5MB pdf)
         W. Yamazaki and D. Mavriplis
         AIAA Paper 2011-1172; 49th AIAA Aerospace Sciences Meeting and Exhibit, Orlando FL, January 4-7, 2011.
Prediction of Helicopter Maneuver Loads Using BDF/Time Spectral Method on Unstructured Meshes (1.9MB pdf)
         Z. Yang, D. Mavriplis and J. Sitaraman
         AIAA Paper 2011-1122; 49th AIAA Aerospace Sciences Meeting and Exhibit, Orlando FL, January 4-7, 2011.



2010
Time Spectral Method for Periodic and Quasi-Periodic Unsteady Computations on Unstructured Meshes (1.3MB pdf)
         Z. Yang and D. J. Mavriplis
         AIAA Paper 2010-5034; 40th Fluid Dynamics Conference and Exhibit, Chicago, Illinois, June 28-1, 2010.
Design Optimization Utilizing Gradient/Hessian Enhanced Surrogate Model (2.6MB pdf)
         W. Yamazaki and D. J. Mavriplis
         AIAA Paper 2010-4363; 40th Fluid Dynamics Conference and Exhibit, Chicago, Illinois, June 28-1, 2010.
NSU3D Results for the Fourth AIAA Drag Prediction Workshop (2.4MB pdf)
         D. J. Mavriplis and M. Long
         AIAA Paper 2010-4363; 40th Fluid Dynamics Conference and Exhibit, Chicago, Illinois, June 28-1, 2010.
Summary of the Fourth AIAA CFD Drag Prediction Workshop
         J. Vassberg, E. Tinoco, M. Mani, B. Rider, T. Zickuhr, D. Levy, O. Brodersen, B. Eisfeld, S. Crippa, R. Wahls, J. Morrison, D. Mavriplis, M. Murayama
         AIAA Paper 2010-4547; 40th Fluid Dynamics Conference and Exhibit, Chicago, Illinois, June 28-1, 2010.
A Coupled Unstructured-Adaptive Cartesian CFD Approach for Hover Prediction
         A. Wissink, M. Potsdam, V. Sankaran, J. Sitaraman, Z. Yang, and D. Mavriplis
         Paper presented at the American Helicopter Society (AHS) Forum, Pheonix AZ, May 2010.
Spatially Non-Uniform Time-Step Adaptation for Funtional Outputs in Unsteady Flow Problems (1.7MB pdf)
         K. Mani and D. J. Mavriplis
         AIAA Paper 2010-121, Presented at the 48th AIAA Aerospace Sciences Meeting, Orlando FL, January 2010.
Unsteady Discrete Adjoint Formulation for High-Order Discontinuous Galerkin Discretizations in Time Dependent Flows (7.4MB pdf)
         L. Wang, D. J. Mavriplis and W. K. Anderson
         AIAA Paper 2010-367, Presented at the 48th AIAA Aerospace Sciences Meeting, Orlando FL, January 2010.
Parameter Sensitivity Analysis for Hypersonic Viscous Flow Using a Discrete Adjoint Approach (0.6MB pdf)
         B. Lockwood and D. J. Mavriplis
         AIAA Paper 2010-447, Presented at the 48th AIAA Aerospace Sciences Meeting, Orlando FL, January 2010.
Application of Helios Computational Platform to Rotorcraft Flows (4.8MB pdf)
         V. Sankaran, J. Sitaraman, A. Wissink, A. Datta, B. Jayaraman, M. Potsdam, D. Mavriplis, Z. Yang, D. O'Brien, H. Saberi, R. Cheng, N. Hariharan, and R. Strawn
         AIAA Paper 2010-1230, Presented at the 48th AIAA Aerospace Sciences Meeting, Orlando FL, January 2010.
Efficient Hessian Calculations using Automatic Differentiation and the Adjoint Method (0.7MB pdf)
         M. Rumpfkeil and D. J. Mavriplis
         AIAA Paper 2010-1268, Presented at the 48th AIAA Aerospace Sciences Meeting, Orlando FL, January 2010.
Efficient Solution Techniques for DG discretizations of the NS equations on Hybrid Anisotropic Meshes (6.1MB pdf)
         N. Burgess, C. Nastase, D. J. Mavriplis
         AIAA Paper 2010-1448, Presented at the 48th AIAA Aerospace Sciences Meeting, Orlando FL, January 2010.


2009
Efficient Solution Techniques for DG discretizations of the NS equations on Hybrid Anisotropic Meshes (6.6MB pdf)
         N. Burgess, C. Nastase, D. J. Mavriplis and L. Martinelli
         Paper delivered at the 21st Century Challenges in Computational Engineering and Science,
         Workshop held at Princeton University in Honor of Antony Jameson's 75th birthday, November 2009.         
Spatially Non-Uniform Time Step Adaptation in Unsteady Flow Problems (2.1MB pdf)
         K. Mani and D. J. Mavriplis
         Paper delivered at the 21st Century Challenges in Computational Engineering and Science,
         Workshop held at Princeton University in Honor of Antony Jameson's 75th birthday, November 2009.         
Optimization based Multigrid Applied to Aerodynamic Shape Design (1.45MB pdf)
         M. Rumpfkeil and D. J. Mavriplis
         Paper delivered at the 21st Century Challenges in Computational Engineering and Science,
         Workshop held at Princeton University in Honor of Antony Jameson's 75th birthday, November 2009.         
High Performance Computational En gineering: Putting the 'E' Back in 'CSE'
         D. J. Mavriplis
         Pleanry talk delivered at the 2009 Parallel CFD conference, NASA Ames, Moffet Field CA, May 2009.         
Current Status and Future Prospects for the Numerical Simulation of Hypersonic Flows
         G. Candler, D. J. Mavriplis and L. Trevino
         AIAA Paper 2009-0153, AIAA Aerospace Sciences Meeting, Orlando FL, January 5-8, 2009.         
Progress in High-Order Discontinuous Galerkin Methods for Aerospace Applications
         D. J. Mavriplis, C. Nastase, L. Wang, K. Shahbazi, N. Burgess
         AIAA Paper 2009-0601, AIAA Aerospace Sciences Meeting, Orlando FL, January 5-8, 2009.         
Adjoint Based h-p Adaptive Discontinuous Galerkin Methods for Aerospace Applications
         L. Wang and D. J. Mavriplis
         AIAA Paper 2009-0952, AIAA Aerospace Sciences Meeting, Orlando FL, January 5-8, 2009.         
Unstructured Mesh CFD Aerodynamic Analysis of the NREL Phase VI Rotor
         M. Potsdam and D. J. Mavriplis
         AIAA Paper 2009-1221, AIAA Aerospace Sciences Meeting, Orlando FL, January 5-8, 2009.         
Error Estimation and Adaptation for Functional Outputs in Time-Dependent Flow Problems
         K. Mani and D. J. Mavriplis
         AIAA Paper 2009-1495, AIAA Aerospace Sciences Meeting, Orlando FL, January 5-8, 2009.         


2008
Linearization of the Coupled Unsteady Fluid-Structure Equations: Application to Flutter Control (500K pdf)
         K. Mani and D. J. Mavriplis
         AIAA Paper 2008-6242, AIAA Applied Aerodynamcs Meeting, Honolulu HI, August 18-21, 2008.         
Solution of the Unsteady Discrete Adjoint for Three-Dimensional Problems on Dynamically Deforming Unstructured Meshes (435K pdf)
         D. J. Mavriplis
         AIAA Paper 2008-0727, AIAA Aerospace Sciences Meeting, Reno NV, January 7-10, 2008.         
On the Geometric Conservation Law for High-order Discontinuous Galerkin Discretizations on Dynamically Deforming Meshes (650K pdf)
         D. J. Mavriplis and C. Nastase
         AIAA Paper 2008-0778, AIAA Aerospace Sciences Meeting, Reno NV, January 7-10, 2008.         
Development of An Adaptive Space-Time Method for High-Order Resolution of Discontinuities (860K pdf)
         Z. Yang and D. J. Mavriplis
         AIAA Paper 2008-0758, AIAA Aerospace Sciences Meeting, Reno NV, January 7-10, 2008.         
Grid Quality and Resolution Issues from the Drag Prediction Workshop Series (4.5M pdf)
         Dimitri J. Mavriplis, University of Wyoming, Laramie, Wyoming USA; John C. Vassberg Edward N. Tinoco Mori Mani, The Boeing Company USA; Olaf P. Brodersen Bernhard Eisfeld, DLR Institute of Aerodynamics and Flow Technology, 38108 Braunschweig, Germany; Richard A. Wahls Joseph H. Morrison, NASA Langley Research Center, Hampton VA 23681, USA; Tom Zickuhr David Levy, Cessna Aircraft Company, Wichita KS 67218, USA; Mitsuhiro Murayama, Japan Aerospace Exploration Agency, Chofu, Tokyo, 182-8522, JAPAN
         AIAA Paper 2008-0930, AIAA Aerospace Sciences Meeting, Reno NV, January 7-10, 2008.         
A Multi-Code Python-Based Infrastructure for Overset CFD with Adaptive Cartesian Grids (10.5M pdf)
         Andrew M. Wissink, NASA Ames Research Center, Moffet Field CA; J. Sitaraman, National Institute of Aerospace, Hampton, VA; V. Sankaran, NASA Ames Research Center, Moffet Field CA; D. Mavriplis, University of Wyoming, Laramie WY; T. H. Pulliam, NASA Ames Research Center, Moffet Field CA.
         AIAA Paper 2008-0927, AIAA Aerospace Sciences Meeting, Reno NV, January 7-10, 2008.         


2007
Petaflops Opportunities for the NASA Fundamental Aeronautics Program (5.0Mb pdf)
         D. J. Mavriplis, D. Darmofal, D. Keyes and M. Turner,
         AIAA Paper 2007-4084 (Invited), AIAA Computational Fluid Dynamics Conference, June 2007.         
Unstructured Mesh Discretizations and Solvers for Computational Aerodynamics (5.0Mb pdf)
         D. J. Mavriplis, AIAA Paper 2007-3955 (Invited), AIAA Computational Fluid Dynamics Conference, June 2007.         
Discrete Adjoint Based Time-Step Adaptation and Error Reduction in Unsteady Flow Problems (560Kb pdf)
         K. Mani and D. J. Mavriplis,
         AIAA Paper 2007-3944 (Awarded 3rd prize in student competition), AIAA Computational Fluid Dynamics Conference, June 2007.
Results from the 3rd Drag Prediction Workshop Using the NSU3D Unstructured Mesh Solver(1.1Mb pdf)
         D. J. Mavriplis, AIAA Paper 2007-0256, AIAA Aerospace Sciences Meeting, Reno, NV, January 2007.         
DPW-III Data Summary Paper
         J. Vassberg, The Boeing Company, Huntington Beach, CA; J. Morrison, NASA Langley Research Center, Hampton, VA; T. Zickuhr, Cessna Aircraft Company, Wichita, KS; O. Brodersen, DLR, German Aerospace Research Center, Braunschweig, Germany; D. Mavriplis, University of Wyoming, Laramie, WY; R. Wahls, NASA Langley Research Center, Hampton, VA; E. Tinoco, The Boeing Company, Renton, WA; K. Laflin, Cessna Aircraft Company, Wichita, KS; and M. Mani, The Boeing Company, St. Louis, MO AIAA Paper 2007-0260, AIAA Aerospace Sciences Meeting, Reno, NV, January 2007. (Abstract only: Full version available from AIAA).         
An Unsteady Discrete Adjoint Formulation for Two-Dimensional Flow Problems with Deforming Meshes
         K. Mani and D. J. Mavriplis, AIAA Paper 2007-0060, AIAA Aerospace Sciences Meeting, Reno, NV, January 2007.         
A Parallel hp-Multigrid Solver for Three-Dimensional Discontinuous Galerkin Discretizations of the Euler Equations
         C. Nastase and D. J. Mavriplis, AIAA Paper 2007-0512, AIAA Aerospace Sciences Meeting, Reno, NV, January 2007.         
A Mesh Deformation Strategy Optimized by the Adjoint Method on Unstructured Meshes
         Z. Yang and D. J. Mavriplis, AIAA Paper 2007-0557, AIAA Aerospace Sciences Meeting, Reno, NV, January 2007.         


2006
Time-Implicit Multigrid Solution of the Lattice Boltzmann Equation
         Jing Liu and D. J. Mavriplis and D. Smith, ICMMES Conference, Hampton VA, July 2006.         
Implicit Solution of the Unsteady Euler Equations for High-Order Accurate Discontinuous Galerkin Discretizations (3.96Mb pdf)
         L. Wang and D. J. Mavriplis, AIAA Paper 2006-0109, AIAA Aerospace Sciences Meeting, Reno, NV, January 2006.         
Discontinuous Galerkin Methods Using an h-p Multigrid Solver for Inviscid Compressible Flows on Three-Dimensional Unstructured Meshes (1.23Mb pdf)
         C. Nastase and D. J. Mavriplis, AIAA Paper 2006-0107, AIAA Aerospace Sciences Meeting, Reno, NV, January 2006.         
High-Order Time Integration Schemes for Aeroelastic Applications on Unstructured Meshes (1.23Mb pdf)
         Z. Yang and D. J. Mavriplis, AIAA Paper 2006-0441, AIAA Aerospace Sciences Meeting, Reno, NV, January 2006.         
A Discrete Adjoint-Based Approach for Optimization Problems on Three-Dimensional Unstructured Meshes (1.95Mb pdf)
         D. J. Mavriplis, AIAA Paper 2006-0050, AIAA Aerospace Sciences Meeting, Reno, NV, January 2006.         


2005
High Resolution Aerospace Applications using the NASA Columbia Supercomputer
         D. J. Mavriplis, M. Aftosmis, and M. Berger, Paper presented at SC05 (Supercomputing 2005) conference, Seattle WA, Nov. 2005. Tied for Best paper award for SC05 conference. Also see: NASA's NAS Highlight         
Grid Resolution Study of a Drag Prediction Workshop Configuration Using the NSU3D Unstructured Mesh Solver (2.9Mb pdf)
         D. J. Mavriplis, AIAA Paper 2005-4729, 23rd Applied Aerodynamics Conference, Toronto, Canada, June 2005.         
Achieving High-Order Time-Accuracy for Dynamic Unstructured Mesh Fluid Flow Simulations: Role of the GCL (2.3Mb pdf)
         D. J. Mavriplis and Z. Yang, AIAA Paper 2005-5114, 17th Computational Fluid Dynamics Conference, Toronto, Canada, June 2005.         
Formulation and Multigrid Solution of the Discrete Adjoint for Optimization Problems on Unstructured Meshes (2.9Mb pdf)
         D. J. Mavriplis, AIAA Paper 2005-0319, 43rd AIAA Aerospace Sciences Meeting, Reno NV, January 2005.         
Unstructured Dynamic Meshes with Higher-order Time Integration Schemes for the Unsteady Navier-Stokes Equation (pdf)
         Z. Yang and D. J. Mavriplis, AIAA Paper 2005-1222, 43rd AIAA Aerospace Sciences Meeting, Reno NV, January 2005.         
High-Order Discontinuous Galerkin Methods using a Spectral Multigrid Approach(pdf)
         C. Nastase and D. J. Mavriplis, AIAA Paper 2005-1268, 43rd AIAA Aerospace Sciences Meeting, Reno NV, January 2005.         


2004 and older
Multigrid Solution of the Steady-State Lattice Boltzmann Equation (1.2M pdf)
         Paper delivered at International Conference for Mesoscopic Methods in Engineering and Science (ICMMES), Braunschweig, Germany, July 2004. To appear, Computers and Fluids. (see also http://www.icmmes.org)         
Formulation and Multigrid Solution of the Discrete Adjoint Problem on Unstructured Meshes (380K pdf)
         Proc. of the 3rd International Conference on Computational Fluid Dynamics (ICCFD3), Toronto, Canada, July 2004.         
Analysis of "p"-Multigrid for Continuous and Discontinuous Finite-Element Discretizations (567K pdf)
         AIAA Paper 2003-3989 delivered at AIAA CFD Conference, Orlando FL, June 2003.         
Revisiting the Least Squares Gradient for Gradient Reconstruction on Unstructured Meshes (2.2M pdf)
         Paper delivered at AIAA CFD Conference, Orlando FL, June 2003.         
Drag Prediction using Unstructured Mesh Solvers (10.0 Mb pdf)
                  VKI Lecture Notes for short course on CFD-Based Drag Prediction and Reduction, Feb 3-7th, 2003, von Karman Institute for Fluid Dynamics, Rhode St Genese, Belgium. Repeated at National Institute for Aerospace, and NASA Langley Research Center, November 2003.
Higher-Order Time Integration Schemes for the Unsteady Navier-Stokes Equations on Unstructured Meshes
         Paper delivered at AIAA Fluid Dynamics Conference, Saint Louis, June 2002.         
Large-Scale Parallel Unstructured Mesh Computations for 3D High-Lift Analysis
         D. Mavriplis and S. Pirzadeh, Paper delivered at the 37th AIAA Aerospace Sciences Meeting, Reno NV, January 1999.         
Multigrid Techniques for Unstructured Meshes
         D. Mavriplis, VKI Lecture notes, 26th Computational Fluid Dynamics Lecture Series of the von Karman Institute (VKI) for Fluid Dynamics, Rhode-Saint-Genese, Belgium, March 1995.         
Unstructured Mesh Generation and Adaptivity
         D. Mavriplis, VKI Lecture notes, 26th Computational Fluid Dynamics Lecture Series of the von Karman Institute (VKI) for Fluid Dynamics, Rhode-Saint-Genese, Belgium, March 1995.