An updated PDF File is available.

### Education

 B.S. 1986 Worcester Polytechnic Institute Mechanical Engineering M.S. 1988 Worcester Polytechnic Institute Mechanical Engineering M.S. 1990 Worcester Polytechnic Institute Applied Mathematics PhD. 1995 Virginia Tech Mathematics

### Experience

 1986-1988 Worcester Polytechnic Institute Teaching and Research Assistant 1988-1990 Naval Underwater Systems Center Mechanical Engineer 1991 Cadkey, Inc. Consultant 1990-1994 Virginia Tech Teaching and Research Assistant 1995-1996 Virginia Tech Research Professor 1997-1998 Cornell University Post-Doctoral Associate 1998-2002 Virginia Tech Assistant Professor 2002-2006 Virginia Tech Associate Professor 2003, 2007 (summer) Air Vehicles Directorate Visiting Scientist of Air Force Research Laboratory 2006- Virginia Tech Professor

### Research Interests

• Applied and Computational Mathematics
• Computational Fluid Dynamics
• Control Theory
• Numerical Analysis
• Optimization (Trust-Region algorithms, PDE Constraints)
• Reduced-Order Modeling for Fluids (POD and extensions)
• Computational Mathematics (on Github: Deriv for automatic differentiation in Matlab, and entrust for a trust-region optimization implementation)
• Sensitivity Analysis and its Applications (Nearby Solutions, Shape Optimization, Uncertainty Analysis)

• Control and Optimization Tools for Systems Governed by Nonlinear Partial Differential Equations, Air Force Office of Scientific Research, 2000-2005, $500,000. • Southeastern Atlantic Regional Conference on Differential Equations, National Science Foundation, 2000-2001,$7,000 (used for student travel reimbursement).
• Industrial Applications of Flow Sensitivity Calculations, AeroSoft, Inc., 2000, $5,000. • Analysis and Design Tools for Active Control of Combustion, (with E. Cliff), STTR to AFOSR with AeroSoft, Inc., 2000-2001,$15,000.
• A Study of Geometric Sensitivities in Turbulent Flows, (with E. Cliff), STTR to AFOSR with AeroSoft, Inc., 2002, $33,000. • Computational Methods for Design, Control and Optimization of Micro Air Vehicles, (with J. Burns, E. Cliff and T. Iliescu), Air Force Office of Scientific Research, 2003-2006,$600,000.
• Scientific Computing Research Environments in Mathematical Sciences (SCREMS), (with T. Iliescu), National Science Foundation, 2003-2005, $153,000. • Computation and Analysis of Reduced-Order Models for Distributed Parameter Systems, (with C. Beattie, S. Gugercin and T. Iliescu), National Science Foundation, 2005-2008,$431,342.
• High Performance Parallel Algorithms for Improved Reduced-Order Modeling, (with C. Beattie, S. Gugercin and T. Iliescu), Air Force Office of Scientific Research, 2005-2008, $552,369. • Reduced-Order Modeling for Optimization and Control of Complex Flows, (with T. Iliescu), Air Force Office of Scientific Research, 2007-2010,$391,021.
• Improved Parameterization of Groundwater Flow Models using Interferograms and Adjoint Sensitivity Analysis, (with T. Burbey and S. Sharp), National Science Foundation, 2010-2012, $260,000. • Transcending POD: Model Reduction for Complex Fluid Flows, (with T. Iliescu and J.P. Roop), National Science Foundation, 2010-2013,$383,389.
• Advanced Computer Design Tools for Modeling, Design, Control, Optimization and Sensitivity Analysis of Integrated Whole Building Systems, (with J. Burns, E. Cliff, S. Gugergin, T. Herdman, T. Iliescu, M. Marathe and L. Zietsman), VT ICAM component of the Greater Philadelphia Innovation Cluster, DOE HUB, 2010-2015, $5,000,000. • Residual-based Methods for Controlling Discretization Error in CFD, (with C. Roy, PI), Air Force Office of Scientific Research, 2012-2015,$389,643.

### Teaching Experience

Worcester Polytechnic Institute: Performed classroom teaching, bi-weekly problem sessions (Machine Design), office hours and grading.

Virginia Tech: Experience with distance learning technology used to broadcast MATH 4414 and MATH 5484 to graduate students at Virginia State University and the Northern Virginia Center as well as MATH 5465 and MATH 5466 to the Southwest Center, and MATH 5435 to the Southwest Center, and the National Institute of Aerospace.

I have experience teaching the following courses:

• MATH 2214 - Introduction to Differential Equations
• MATH 2224 - Multivariable Calculus
• MATH 3054 - Programming and Mathematical Problem Solving
• MATH 3214 - Vector Calculus
• MATH 4245 - Intermediate Differential Equations
• MATH 4254 - Chaos and Dynamical Systems
• MATH 4414 - Issues in Scientific Computing
• MATH 4425 - MATH 4426 Fourier Series and PDEs (2 semester sequence)
• MATH 4445 - Introduction to Numerical Analysis
• MATH 4564 - Operational Methods
• MATH 5245 - MATH 5246 Differential Equations (2 semester sequence)
• MATH 5435 - Principles and Techniques of Applied Mathematics (2 semester sequence)
• MATH 5465 - MATH 5466 Numerical Analysis (2 semester sequence)
• MATH 5474 - Finite Difference Methods
• MATH 5484 - Finite Element Methods
• MATH 5515 - Mathematical Modeling in Biology
• MATH 5545 - MATH 5546 Calculus of Variations and Optimal Control

### Students Supervised

#### Ph.D. Students

• Kay Vugrin, Mathematics, On the Effects of Noise on Parameter Identification Optimization Problems, 2005.
• Currently working for VeraLight in Albuquerque, NM.
• Miroslav Stoyanov, Mathematics, Reduced Order Methods for Large Scale Riccati Equations, 2009.
• Currently has a research position at Oak Ridge National Laboratory.
• Currently an Assistant Professor in the Department of Mathematics and Statistics at the Air Force Institute of Technology.
• Hans-Werner Van Wyk, Mathematics, A Variational Approach for Identifying Uncertain, Distributed Parameters in Elliptic Systems, 2012.
• Currently a Postdoc in the Department of Scientific Computing at Florida State University.
• Vitor Leite Nunes, Mathematics, Frechet Sensitivity Analysis and Parameter Estimation in Groundwater Flow Models, 2013.
• Currently a Postdoc in the Department of Mathematical Sciences at the University of Texas at Dallas.

#### Current Ph.D. Students

• Justin Krometis, Mathematics (with L. Zietsman).
• Alan Lattimer, Mathematics (with S. Gugercin).
• Cristina Letona, Mathematics.

#### Masters Students

• Greta Soechting-Garcia, Mathematics, M.S. 1999,
• Masters Project: Sensitivity Analysis for a Soil Moisture Infiltration Model.
• Currently at Equifax in Atlanta, GA.
• Jerri Sayers, Mathematics, M.S. 2001,
• Masters Project: Investigating Numerical Methods for Approximating Functional Gains for the 1D Heat Equation.
• Currently at University of Maryland, Baltimore County.
• Kay Vugrin, Mathematics, M.S. 2003,
• Masters Thesis: On the Effect of Numerical Noise in Simulation-Based Optimization.
• Stayed on for Ph.D. Currently at VeraLight, Albuquerque, NM.
• Christoph Winter, Mathematics, M.S. 2003,
• Masters Project: Finite Element Simulation of Phase Change.
• Currently branch head of a risk management group at Allianz Deutschland.
• Peter Hou, Mathematics, M.S. 2005,
• Masters Project: Nodal Reordering Strategies to Improve Preconditioning for Finite Element Systems.
• Currently an actuary for Mercer Consulting in New York.
• Denis Kovacs, Mathematics, M.S. 2005, joint with C. Beattie,
• Masters Thesis: Inertial Manifolds and Nonlinear Galerkin Methods.
• Currently working for NVidia Corporation, Santa Clara, CA.
• Daniel Sutton, Mechanical Engineering, M.S. 2005,
• Masters Thesis: Improved Reduced Order Modeling Stratigies for Coupled and Parametric Systems.
• Currently pursuing a Ph.D. in Math at Virginia Tech.
• Miroslav Stoyanov, Mathematics, M.S. 2006,
• Masters Thesis: Optimal Linear Feedback Control for Incompressible Fluid Flow.
• Jacob Dodson, Mathematics, M.S. 2010,
• Masters Project: Optimal Sensor Location in Linear Distributed Systems for State Estimation.
• Currently pursuing a Ph.D. in Mechanical Engineering at Virginia Tech.
• Oleksandr Bondarenko, Mathematics, M.S. 2010, joint with A. Kirsch and T. Herdman,
• Masters Thesis: Optimal Control for an Impedance Boundary Value Problem.
• Currently pursuing a Ph.D. in Mathematics at Universitat Karlsruhe.
• Benjamin Unger, Mathematics, M.S. 2013,
• Masters Thesis: Trust-Region Proper Orthogonal Decomposition and the Discrete Empirical Interpolation Method.
• Currently pursuing internships at Alliance and BOSC.
• Drayton Munster, Mathematics, M.S. 2013, joint with L. Zietsman,
• Masters Thesis: Sensitivity Enhanced Model Reduction.
• Currently pursuing a Ph.D. in Math at Virginia Tech.
• Samantha Erwin, Mathematics, M.S. 2013,
• Masters Thesis: Modeling of Passive Chilled Beams for Use in Efficient Control of Indoor-Air Environments.
• Currently pursuing a Ph.D. in Math at Virginia Tech.

#### Current M.S. Students

• Andrew Glaws, Mathematics.
• Mingqiang Zhang, Mathematics.

• Jeffry Hall and Jarrod Raines (Spring 1999), Study of Gibbs Phenomena.
• Claude Cundiff (Spring 2001), Nonlinear ODEs and RPM.
• Firmin Ndeges (Summer 2003), joint with T. Herdman, Parameter Dependent Discontinuities.
(won best presentation at SIAM Student Conference, 2004).
• Grant Boquet (Spring 2004), joint with T. Iliescu, Scientific Computing for LES.
• David Cross (Fall 2007), joint with L. Zietsman, Improved Reduced-Order Models for Control.
• Drayton Munster (Spring 2011), joint with L. Zietsman, Applications of Sensitivity Analysis of PDEs.
• Marisa (Gidwani) Ireland (Spring 2012), Distance to unobservability via LMIs.

#### Current B.S. Students

• Thomas May, Mathematics, joint with L. Zietsman.
• Ross Thompson, Mathematics.

#### Post-Docs Supervised

• John Paul Roop, Mathematics, 2004-2006.
• Alexander Hay, ICAM, 2007-2008.
• Imran Akhtar, ICAM, 2008-2010.
• Currently an Assistant Professor at the National University of Science and Technology, Islamabad, Pakistan.
• Omer San, ICAM, 2012-present.
• Samah Ben Ayed, ICAM, 2013-present.

### Publications

#### Invited Editor on the Following Volumes

Optimal Design and Control, Edited by J.T. Borggaard, J.V. Burkardt, M.D. Gunzburger and J.M. Peterson, Birkhauser, Boston, 1995, xii+286 pages.

Computational Methods for Optimal Design and Control, Edited by J.Borggaard, J. Burns, E. Cliff and S. Schreck, Birkhauser, Boston, 1998, xii+460 pages.

#### Refereed Journal Articles

1. Boundary Element Implicit Differentiation Equations for Design Sensitivities of Axisymmetric Structures (with S. Saigal and J.H. Kane), Int. J. Solids Structures, Vol. 25, No. 5, pages 527-538 (1989).
2. Highly Accurate Evaluation of System Matrices for Curved Boundary Elements (with J.H. Kane and J. Turi), Int. J. Computers Structures, Vol. 40, No. 4, pages 885-892 (1991).
3. A PDE Sensitivity Equation Method for Optimal Aerodynamic Design (with J. Burns), Journal of Computational Physics, Vol. 136, pages 366-384, (1997).
4. A Continuous Sensitivity Equation Approach to Optimal Design in Mixed Convection (with D. Pelletier and É. Turgeon), Numerical Heat Transfer, Part A: Applications, Vol. 38, No. 8, pages 869-885 (2000).
5. On Efficient Solutions to the Continuous Sensitivity Equation Using Automatic Differentiation (with A. Verma), SIAM Journal on Scientific Computing, Vol. 22, No. 1, pages 39-62 (2001).
6. Parametric Uncertainty Analysis for Thermal Fluid Calculations (with D. Pelletier and É. Turgeon), Journal of Nonlinear Analysis: Series A, Theory and Methods, Vol. 47, pages 4533-4543 (2001).
7. Reduced Order Controllers for Burgers' Equation with a Nonlinear Observer (with J. Atwell and B. King), International Journal of Applied Mathematics and Computational Science, Vol. 11, No. 6, pages 1311-1330 (2001).
8. A General Continuous Sensitivity Equation Formulation for Complex Flows (with É'. Turgeon and D. Pelletier), Numerical Heat Transfer: Part B, Fundamentals, Vol. 42, No. 6, pages 485-498 (2002).
9. Applications of Continuous Sensitivity Equations to Flows with Temperature-Dependent Properties (with E. Turgeon and D. Pelletier), Numerical Heat Transfer: Part A, Applications, Vol. 44, No. 6, pages 611-624 (2003).
10. Adaptivity, Sensitivity, and Uncertainty: Toward Standards of Good Practice in Computational Fluid Dynamics (with D. Lacasse, D. Pelletier and E. Turgeon), AIAA Journal, Vol. 41, No. 10, pages 1925-1933 (2003).
11. A General Continuous Sensitivity Equation Formulation for the k-\epsilon Model of Turbulence (with É. Turgeon and D. Pelletier), International Journal of Computational Fluid Dynamics, Vol. 18, No. 1, pages 29-46 (2004).
12. Simulating the Fate of Subsurface-Banded Urea (with S.B. Shah and M.L. Wolfe), Nutrient Cycling in Agroecosystems, Vol. 70, pages 47-66 (2004).
13. A Second-order Sensitivity Equation Method for Laminar Flows (with S. É tienne, J.-N. Mahieu and D. Pelletier), International Journal of Computational Fluid Dynamics, Vol. 19, No. 2, pages 143-157 (2005).
14. Application of a Sensitivity Equation Method to Turbulent Flows with Heat Transfer (with E. Colin, S. É tienne and D. Pelletier), International Journal of Thermal Sciences, Vol. 44, No. 11, pages 1024-1038 (2005).
15. A Continuous Sensitivity Equation Method for Time-dependent Incompressible Laminar Flows (with H. Hristova, S. É tienne, and D. Pelletier), International Journal for Numerical Methods in Fluids, Vol. 50, No. 7, pages 871-844 (2006).
16. A General Sensitivity Equation Formulation for Turbulent Heat Transfer (with E. Colin, S. É tienne and D. Pelletier), Numerical Heat Transfer: Part B, Fundamentals, Vol. 49, No. 2, pages 125-153 (2006).
17. Approximate Deconvolution Boundary Conditions for Large Eddy Simulation (with T. Iliescu), Applied Math Letters, Vol. 19, pages 735-740 (2006).
18. An Improved Continuous Sensitivity Equation Method for Optimal Shape Design in Mixed Convection (with R. Duvigneau and D. Pelletier), Numerical Heat Transfer: Part B, Fundamentals, Vol. 50, No. 1, pages 1-24 (2006).
19. Interval-Based Reduced-Order Models for Unsteady Fluid Flow (with A. Hay and D. Pelletier), International Journal of Numerical Analysis and Modeling, Vol. 4, No. 3, pages 353-367 (2007).
20. A Continuous Second Order Sensitivity Equation Method for Time-Dependent Incompressible Laminar Flows (with F. Ilinca and D. Pelletier), International Journal for Numerical Methods in Fluids, Vol. 55, No. 6, pages 537-564 (2007).
21. Application of a Sensitivity Equation Method to the k-epsilon Model of Turbulence (with S. Étienne, D. Pelletier and É. Turgeon), Optimization and Engineering, Vol. 8, No. 3, pages 341-372 (2007).
22. The Sensitivity Equation Method in Fluid Mechanics (with S. Étienne, A. Hay and D. Pelletier), European Journal of Computational Mechanics, Vol. 17, No. 1-2, pages 31-61 (2008).
23. A Two-Level Discretization Method for the Smagorinsky Model (with T. Iliescu, H. Lee, J.P. Roop and H. Son), SIAM Journal of Multiscale Modeling and Simulations, Vol. 7, No. 2, pages 599-621 (2008).
24. An Improved Penalty Method for Power-Law Stokes Problems (with T. Iliescu and J.P. Roop), Journal of Computational and Applied Mathematics, Vol. 223, No. 2, pages 646-658 (2009).
25. A Bounded Artificial Viscosity Large Eddy Simulation Model (with T. Iliescu and J.P. Roop), SIAM Journal on Numerical Analysis, Vol. 47, No. 1, pages 622-645 (2009).
26. Local Improvements to Reduced-Order Models Using Sensitivity Analysis of the Proper Orthogonal Decomposition (with A. Hay and D. Pelletier), Journal of Fluid Mechanics, Vol. 629, pages 41-72 (2009).
27. Reduced-Order Models for Parameter Dependent Geometries Based on Shape Sensitivity Analysis (with I. Ahktar, A. Hay and D. Pelletier), Journal of Computational Physics, Vol. 229, No. 4, pages 1327--1352 (2010) (doi).
28. Shape Sensitivity Analysis in Flow Models Using a Finite-Difference Approach (with I. Akhtar and A. Hay), Mathematical Problems in Engineering, Vol. 2010, Article ID 209780, 22 pages (2010). link
29. Artificial Viscosity Proper Orthogonal Decomposition (with T. Iliescu and Z. Wang), Mathematical and Computer Modelling, Vol. 53, No. 1--2, pages 269--279 (2011).
30. Two-Level Discretizations of Nonlinear Closure Models for Proper Orthogonal Decomposition (with I. Akhtar, T. Iliescu and Z. Wang), Journal of Computational Physics, Vol. 230, No. 1, pages 126--146 (2011), DOI.
31. On the Use of Sensitivity Analysis in Model Reduction to Predict Flows for Varying Inflow Conditions (with I. Akhtar and A. Hay), International Journal for Numerical Methods in Fluids, Vol. 66, No. 1, pages 122-134 (2011), DOI.
32. Two-Level Discretization of the Navier-Stokes Equations with r-Laplacian Subgridscale Viscosity (with T. Iliescu and J.P. Roop), Numerical Methods for Partial Differential Equations, Vol. 28, No. 3, pages 1056-1078 (2012), DOI.
33. A New Closure Strategy for Proper Orthogonal Decomposition Reduced-Order Models (with I. Akhtar, T. Iliescu and Z. Wang), Journal of Computational and Nonlinear Dynamics, Vol. 7, No. 034503, pages 1-6 (2012), DOI.
34. Proper Orthogonal Decomposition Closure Models for Turbulent Flows: A Numerical Comparison (with I. Akhtar, T. Iliescu and Z. Wang), Computer Methods in Applied Mechanics and Engineering, Vol. 237-240, pages 10-26 (2012), DOI.
35. Using Dominant Modes for Optimal Feedback Control of Aerodynamic Forces (with I. Akhtar, J. Burns and M. Naqvi), Journal of Aerospace Engineering, 0954410012466348, (2013), DOI.
36. Sensitivity and Uncertainty Quantification of Random Distributed Parameter Systems (with V. Leite Nunes and H.-W. van Wyk), Mathematics in Engineering, Science and Aerospace, Vol. 4, No. 2, pages 117–129 (2013), PDF.

#### Refereed Proceedings and Book Chapters

1. Computational Fluid Dynamics using Optimum Cray Techniques (with C.A. Wagner, D.C. Brondum, A. Zachary and L.J. Alperi), in Proceedings of the AIAA 9th Computational Fluid Dynamics Conference, Buffalo, NY, pages 353-358, (June 1989).
2. Sensitivity Calculations for a 2D, Inviscid, Supersonic Forebody Problem (with J. Burns, E. Cliff and M. Gunzburger), in Identification and Control in Systems Governed by Partial Differential Equations, H.T. Banks, R.H. Fabiano and K. Ito editors, SIAM, Philadelphia, pages 14-25, (1993). (Also appeared as ICASE Report No. 93-13)
3. On Control Design for a Fluid-Structure Interaction Problem (with T.L. Herdman and J. Turi), in Proceedings of the 1993 IEEE Conference on Aerospace Control Systems, pages 236-242 (May 1993). DOI.
4. A Sensitivity Equation Approach for the Optimal Design of Nozzles (with J. Burns), in Proceedings of the AIAA 5th Symposium on Multidisciplinary Analysis and Optimization, pages 232-241, (September 1994).
5. On an Application of the Boundary Element Method to Study Flow Induced Vibrations (with T.L. Herdman and J. Turi) in Applied Mechanics in the Americas, L.A. Godoy, S.R. Idelsohn, P.A.A. Laura and D.T. Mook editors, Vol 2, Sanre Fi, Argentina, pages 317-321 (January 1995).
6. On the Presence of Shocks in Domain Optimization of Euler Flows, in Flow Control, M. Gunzburger editor, Springer-Verlag, pages 35-48 (1995).
7. A Sensitivity Equation Approach to Shape Optimization in Fluid Flows (with J. Burns), in Flow Control, M. Gunzburger editor, Springer-Verlag, pages 49-78 (1995). (Also appeared as ICASE Report No. 94-8)
8. Algorithms for Flow Control and Optimization (with J. Burkardt, J. Burns, E. Cliff, M. Gunzburger, H. Kim, H. Lee, J. Peterson, A. Shenoy and X. Wu) in Optimal Design and Control, J. Borggaard, J. Burkardt, M. Gunzburger and J. Peterson editors, Birkhauser, pages 97-116 (1995).
9. On Active Control of Flow Induced Vibrations (with T.L. Herdman and J. Turi) in Proceedings of the 34th IEEE Conference on Decision and Control. DOI.
10. Computing Design Sensitivities Using an Adaptive Finite Element Method (with D. Pelletier) in Proceedings of the 27th AIAA Fluid Dynamics Conference, AIAA Paper 96-1938, June, 1996.
11. Asymptotically Consistent Gradients in Optimal Design (with J. Burns), in Proceedings of the Workshop on Multidisciplinary Design Optimization, N. Alexandrov and M. Hussaini editors, SIAM, Philadelphia, pages 303-314, (1997).
(Postscript File) (DVI File) (PDF File)
12. On Optimal Design Using an Adaptive Finite Element Method (with D. Pelletier) in Proceedings of the First International Conference on Nonlinear Problems in Aeronautics and Aerospace, S. Sivasundaram editor, Embry-Riddle Aeronautical University Press, pages 33-40 (1997).
13. Optimal Shape Design in Forced Convection Using Adaptive Finite Elements (with D. Pelletier) in Proceedings of the 36th AIAA Aerospace Sciences Meeting and Exhibit, AIAA Paper Number 98-0908 (January 1998).
14. Observations in Adaptive Refinement Strategies for Optimal Design (with D. Pelletier) in Computational Methods for Optimal Design and Control, J. Borggaard, J. Burns, E. Cliff and S. Schreck editors, Birkhauser, pages 59-76 (1998).
15. A Continuous Sensitivity Equation Approach to Optimal Design in Mixed Convection (with D. Pelletier and É. Turgeon), in Proceedings of the 1999 AIAA Thermophysics Conference, AIAA Paper Number 99-3625 (June 1999).
16. A Two-Dimensional Model for Simulating the Fate of Subsurface-Banded Nitrogen (with S. Shah and M.L. Wolfe), in Proceedings of the 1999 ASAE Annual International Meeting, ASAE Paper Number 99-2140 (July 1999).
17. A Continuous Sensitivity Equation Method for Conduction and Phase Change Problems (with D. Pelletier and J.-F. Hétu), in Proceedings of the 38th AIAA Aerospace Sciences Meeting and Exhibit, AIAA Paper Number 2000-0881 (January 2000).
18. A Study of Optimal Cooling Strategies in Thermal Processes (with D. Pelletier and É. Turgeon), in Proceedings of the 38th AIAA Aerospace Sciences Meeting and Exhibit, AIAA Paper Number 2000-0563 (January 2000).
19. Recent Advances in Numerical Techniques for the Design and Analysis of COIL Systems (with W. Eppard, W. McGrory, A. Godfrey and E. Cliff), in Proceedings of the 31st AIAA Plasmadynamics and Lasers Conference, AIAA Paper Number 2000-2576 (June 2000).
20. Sensitivity Analysis for Chemical Laser Design: A Model Problem (with E. Cliff), in Proceedings of the 2000 IEEE International Conference on Control Applications, pages 519-523 (2000). DOI.
21. A General Continuous Sensitivity Equation Formulation for Complex Flows (with D. Pelletier and É. Turgeon), in Proceedings of the 8th AIAA/USAF/NASA/ISSMO Symposium on Multidisciplinary Analysis and Design, AIAA Paper Number 2000-4732 (September 2000).
22. A Continuous Sensitivity Equation Method for Flows with Temperature Dependent Properties (with D. Pelletier and É. Turgeon), in Proceedings of the 8th AIAA/USAF/NASA/ISSMO Symposium on Multidisciplinary Analysis and Design, AIAA Paper Number 2000-4821 (September 2000).
23. Sensitivity and Uncertainty Analysis for Variable Property Flows (with D. Pelletier and É. Turgeon), in Proceedings of the 39th AIAA Aerospace Sciences Meeting and Exhibit, AIAA Paper Number 2001-0140 (2001).
24. Adaptivity, Sensitivity and Uncertainty: Towards Standards in CFD (with D. Lacasse, D. Pelletier and É. Turgeon), in Proceedings of the 39th AIAA Aerospace Sciences Meeting and Exhibit, AIAA Paper Number 2001-0192 (2001).
25. A Sensitivity Equation Method for Conduction and Phase Change Problems (with D. Pelletier), in Nonsmooth/Nonconvex Mechanics: Modeling, Analysis and Numerical Methods, (Nonsmooth Optimization and Applications Series, Volume 45), D. Gao, R. Ogden and G. Stavroulakis, editors, Kluwer Academic, pages 43--68 (2001).
26. Application of a Sensitivity Equation Method to the k-epsilon Model of Turbulence (with É. Turgeon and D. Pelletier), in Proceedings of the 15th AIAA Computational Fluid Dynamics Conference, AIAA Paper Number 2001-2534 (2001).
27. A General Continuous Sensitivity Equation Formulation for the k-epsilon Model of Turbulence (with É. Turgeon and D. Pelletier), in Proceedings of the 15th AIAA Computational Fluid Dynamics Conference, AIAA Paper Number 2001-3000 (2001).
28. Sensitivity Analysis with Sliding Boundary Conditions (with E. Cliff and A. Godfrey), in Proceedings of the 40th AIAA Aerospace Sciences Meeting and Exhibition, AIAA Paper Number 2002-0100 (2002).
29. Sensitivity and Uncertainty Analysis for Turbulent Flows (with S. Étienne, D. Pelletier and É. Turgeon), in Proceedings of the 40th AIAA Aerospace Sciences Meeting and Exhibition, AIAA Paper Number 2002-0985 (2002).
30. Reliable Sensitivity Analysis via an Adaptive Sensitivity Equation Method (with D. Pelletier, É. Turgeon and S. Étienne), in Proceedings of the 3rd Theoretical Fluid Mechanics Meeting, AIAA Paper Number 2002-2758 (2002).
31. A Continuous Control Design Method (with J. Burns), in Proceedings of the 3rd Theoretical Fluid Mechanics Meeting, AIAA Paper Number 2002-2989 (2002).
32. On Sensitivity Analysis for Problems with Numerical Noise (with D. Pelletier and K. Vugrin), in Proceedings of the 9th AIAA Multidisciplinary Analysis and Optimization Meeting, AIAA Paper Number 2002-5553 (2002).
33. Parametric Uncertainty Analysis in a Phase Change Model (with J.-F. Hétu and D. Pelletier), in Proceedings of the 9th AIAA Multidisciplinary Analysis and Optimization Meeting, AIAA Paper Number 2002-5601 (2002).
34. Second-Order Sensitivity Analysis for Conjugate Phase-Change Problems (with D. Pelletier and C. Winter), in Proceedings of the 41st Aerospace Sciences Meeting and Exhibition, AIAA Paper Number 2003-0512 (2003).
35. A Second Order Sensitivity Equation Method for Laminar Flows (with S. Étienne, J.-N. Mahieu and D. Pelletier), in Proceedings of the 10th Annual Conference of the CFD Society of Canada, (2003).
36. Sensitivity Analysis of Transient Non-Linear Heat Conduction (with S. Étienne, H. Hristova, J.-N. Mahieu and D. Pelletier), in Proceedings of the 10th Annual Conference of the CFD Society of Canada, (2003).
37. A Sensitivity Equation Method for Turbulent Heat Transfer (with E. Colin, S. Étienne and D. Pelletier), in Proceedings of the 36th AIAA Thermophysics Conference, AIAA Paper Number 2003-3636 (2003).
38. Optimization of an Integrated Actuator Placement and Robust Control Scheme for Distributed Parameter Processes Subject to Worst-Case Spatial Disturbance Distribution (with M. Demetriou), in Proceedings of the 2003 American Control Conference, (2003). DOI.
39. Application of a Sensitivity Equation Method to Transient Non-Linear Heat Conduction (with H. Hristova, S. Etienne and D. Pelletier), in Proceedings of the 42nd AIAA Aerospace Sciences Meeting and Exhibit, AIAA Paper Number 2004-0495 (2004).
40. Second Order Sensitivity and Uncertainty Analysis of Laminar Airfoil Flows (with J. Mahieu, D. Pelletier and J. Trepanier), in Proceedings of the 42nd AIAA Aerospace Sciences Meeting and Exhibit, AIAA Paper Number 2004-0742 (2004).
41. Application of a Sensitivity Equation Method to Turbulent Flows with Heat Transfer (with E. Colin, S. Etienne and D. Pelletier), in Proceedings of the 42nd AIAA Aerospace Sciences Meeting and Exhibit, AIAA Paper Number 2004-1290 (2004).
42. Sensitivity Equations for the Design of Control Systems (with J. Vance), in Proceedings of the Sixth IASTED International Conference on Control and Applications, IASTED Paper Number 441-050 (2004).
43. Computational Challenges in Control of Partial Differential Equations (with J. Burns and L. Zietsman), in Proceedings of the 2nd AIAA Flow Control Conference, AIAA Paper Number 2004-2526 (2004).
44. Optimization of a joint sensor placement and robust estimation scheme for distributed parameter processes subject to worst case spatial disturbance distributions (with M. Demetriou), in Proceedings of the 2004 American Control Conference (2004).
45. A Continuous Sensitivity Equation Method for Time-Dependent Incompressible Laminar Flows (with H. Hristova, S. Etienne and D. Pelletier), in Proceedings of the 34th AIAA Fluid Dynamics Conference and Exhibit, AIAA Paper Number 2004-2630 (2004).
46. On Strong Convergence of Feedback Operators for Non-Normal Distributed Parameter Systems (with J. Burns, E. Vugrin and L. Zietsman), in Proceedings of the 43rd IEEE Conference on Decision and Control, IEEE Paper Number WeA04.5, pages 1526--1531, (2004). DOI.
47. Application of a Sensitivity Equation Method to Turbulent Conjugate Heat Transfer (with E. Colin, S. Etienne and D. Pelletier), in Proceedings of the 43rd AIAA Aerospace Sciences Meeting and Exhibit, AIAA Paper Number 2005-0186 (2005).
48. Design of Worst Spatial Distribution of Disturbances for a Class of Parabolic Partial Differential Equations (with M. Demetriou), in Proceedings of the 2005 American Control Conference, (2005). DOI.
49. Optimal Shape Design in Mixed Convection using a Continuous Sensitivity Equation Approach (with R. Duvigneau and D. Pelletier), in Proceedings of the 38th AIAA Thermophysics Conference, AIAA Paper Number 2005-4823 (2005).
50. A Sensitivity Equation Method for Compressible Subsonic Laminar Airfoil Flows (with P. Edmond, D. Pelletier and S. Etienne), in Proceedings of the 23rd AIAA Applied Aerodynamics Conference, AIAA Paper Number 2005-4601 (2005).
51. A Continuous Second Order Sensitivity Equation Method for Time-Dependent Incompressible Laminar Flows (with F. Ilinca and D. Pelletier), in Proceedings of the 17th AIAA Computational Fluid Dynamics Conference, AIAA Paper Number 2005-5252 (2005).
52. Application of a Sensitivity Equation Method to Compressible Subsonic Impinging Jets (with P. Edmond, D. Pelletier, S. Etienne, and A. Hay), in Proceeding of the 44th AIAA Aerospace Sciences Meeting and Exhibit, AIAA Paper Number 2006-0909 (2006).
53. Optimal Reduced-Order Modeling for Nonlinear Distributed Parameter Systems, in Proceedings of the 2006 American Control Conference, Paper WeB13.3, 2006. DOI.
54. A Domain Decomposition Approach to POD (with C. Beattie, S. Gugercin and T. Iliescu), in Proceedings of the 45th IEEE Conference on Decision and Control, Paper FrIP14.12, pages 6750-6756 (2006). DOI.
55. A Penalty Method Approach to LQR Control for Saddle Point Problems (with M. Stoyanov and L. Zietsman), in Proceedings of the International Conference on Nonlinear Problems in Aviation and Aerospace 2006, Cambridge Scientific Publishers Chap 64, 67-74 (2007).
56. Optimal Design of Airfoils Using NURBS and a Continuous Sensitivity Equation Method (with J. Cori, S. Etienne, A. Hay, D. Pelletier and J. Treepanier), in Proceedings of the 45th AIAA Aerospace Sciences Meeting and Exhibit, AIAA Paper Number 2007-1129 (2007).
57. Reduced-Order Models for Optimal Control of Vortex Shedding (with I. Akhtar and J. Burns), in Proceedings of the 4th AIAA Flow Control Conference, AIAA Paper Number 2008-4083 (2008).
58. On the Use of Sensitivity Analysis to Improve Reduced-Order Models (with A. Hay and D. Pelletier), in Proceedings of the 4th AIAA Flow Control Conference, AIAA Paper Number 2008-4192 (2008).
59. A Reduced Order Solver for Lyapunov Equations with High Rank Matrices (with M. Stoyanov), in Proceedings of the 18th International Symposium on Mathematical Theory of Networks and Systems, Blacksburg, VA (2008).
60. Reduced-Order Modeling of Turbulent Flows (with A. Duggleby, A. Hay, T. Iliescu and Z. Wang), in Proceedings of the 18th International Symposium on Mathematical Theory of Networks and Systems, Blacksburg, VA (2008).
61. Reduced-Order Models for Parameter Dependent Geometries Based on Shape Sensitivity Analysis of the POD (with A. Hay and D. Pelletier), in Proceedings of the 12th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, AIAA Paper Number 2008-5962 (2008).
62. Model-Based Computation of Functional Gains for Feedback Control of Vortex Shedding (with I. Akhtar, J. Burns and L. Zietsman), in Proceedings of the 2008 ASME International Mechanical Engineering Congress & Exposition, Paper Number IMECE2008-68950 (2008).
63. An Efficient Long-Time Integrator for Chandrasekhar Equations (with M. Stoyanov), in Proceedings of the 47th IEEE Conference on Decision and Control, Paper Number ThTA07.1 (2008). DOI.
64. A PDE Approach to Optimization and Control of High Performance Buildings (with J. Burns, E. Cliff and L. Zietsman), in Proceedings of the Oberwolfach Workshop on Numerical Techniques for Optimization Problems with PDE Constraints, M. Heinkenschloss, R.H.W. Hoppe and V. Schulz, Eds., pages 205-209 (2009).
65. Sensitivity Analysis-Based Reduced-Order Models for Flow Past an Elliptic Cylinder (with I. Akhtar, A. Hay and T. Iliescu), in Proceedings of the 47th AIAA Aerospace Sciences Meeting and Exhibit, AIAA Paper Number 2009-0583 (2009).
66. Control, Estimation and Optimization of Energy Efficient Buildings (with J. Burns, A. Surana and L. Zietsman), in Proceedings of the 2009 American Control Conference, Paper Number WeB05.4, pages 837-841 (2009). DOI.
67. Modeling High Frequency Modes for Accurate Low-Dimensional Galerkin Models (with I. Akhtar and T. Iliescu), in Proceedings of the 39th AIAA Fluid Dynamics Conference, AIAA Paper Number 2009-4202 (2009).
68. On the Sensitivity Analysis of Angle-of-Attack in a Model Reduction Setting (with A. Hay and I. Akhtar), in Proceedings of the 48th AIAA Aerospace Sciences Meeting and Exhibit, AIAA Paper Number 2010-1473 (2010).
69. Closure for Improved Reduced-Order Models using High Performance Computing (with I. Akhtar, T. Iliescu and Z. Wang), in Proceedings of the 48th AIAA Aerospace Sciences Meeting and Exhibit, AIAA Paper Number 2010-1276 (2010).
70. Linear Feedback Control of a von Kármán Street by Cylinder Rotation (with M. Stoyanov and L. Zietsman), in Proceedings of the 2010 American Control Conference, Paper Number FrB06.3 (2010).
71. Large Eddy Simulation Ideas for Nonlinear Closure in Model Reduction of Fluid Flows (with I. Akhtar, T. Iliescu and Z. Wang), in Proceedings of the 5th AIAA Flow Control Conference, AIAA Paper Number 2010-5089 (2010).
72. On Commutation of Reduction and Control: Linear Feedback Control of a von Kármán Vortex Street (with I. Akhtar, M. Stoyanov and L. Zietsman), in Proceedings of the 5th AIAA Flow Control Conference, AIAA Paper Number 2010-4832 (2010).
73. A Novel Strategy for Nonlinear Closure in Proper Orthogonal Decomposition Reduced-Order Models (with I. Akhtar, T. Iliescu and Z. Wang), ASME Early Career Technical Journal, 2010.
74. High Performance Computing for Energy Efficient Buildings (with I. Akhtar and J. Burns), in Proceedings of the International Conference on Power Generation Systems and Renewable Energy Technologies (PGSRET), Islamabad, Pakistan (2010).
75. On a Control Strategy for Fluid Flows using Model Reduction (with I. Akhtar and J. Burns), in Proceedings of the 8th International Bhurban Conference on Applied Sciences & Technology (IBCAST) (2011).
76. Frechet Sensitivity Analysis for Partial Differential Equations with Distributed Parameters (with V. Leite Nunes), in Proceedings of the 2011 American Control Conference, Paper Number ThA02.5 (2011).
77. On Using LQG Performance Metrics for Sensor Placement (with J. Burns and L. Zietsman), in Proceedings of the 2011 American Control Conference, Paper Number ThB02.5 (2011).
78. Reduced-Order Models of Fluids for Simulation, Design and Control (with I. Akhtar, A. Hay, T. Iliescu and Z. Wang), in Proceedings of Schnelle Löser für Partielle Differentialgleichungen, Oberwolfach Reports Series, 28 (2011). link.
79. Model Reduction for Indoor-Air Behavior in Control Design for Energy-Efficient Buildings (with E. Cliff and S. Gugercin), in Proceedings of the 2012 American Control Conference, Paper Number WeC20.3, pages 2283–2288 (2012).
80. An Optimal Control Approach to Sensor/Actuator Placement for Optimal Control of High Performance Buildings (with J. A. Burns, E. M. Cliff and L. Zietsman), in Proceedings of the 2nd International High Performance Buildings Conference, Purdue University, pages 34661–34667, July (2012).
81. Coupled CFD/Building Envelope Model for the Purdue Living Lab, (with D. Kim, J. Braun, E.M. Cliff, and S. Gugercin), in Proceedings of the 2nd International High Performance Buildings Conference, Purdue University, July (2012).
82. Optimization-based Estimation of Random Distributed Parameters in Elliptic Partial Differential Equations (with H.-W. van Wyk), in Proceedings of the 51st IEEE Annual Conference on Decision and Control, Pages 2926-2933 (2012). DOI.
83. Using Frechet Sensitivity Analysis to Interrogate Distributed Parameters in Random Systems, (with V. Leite Nunes and H.-W. van Wyk), in Proceedings of the 2013 American Control Conference, Paper Number MoA14.4, June (2013).
84. Adjoint and Truncation Error Based Adaptation for 1D Finite Volume Schemes, (with J. M. Derlaga and C. J. Roy), in Proceedings of the 21st AIAA Computational Fluid Dynamics Conference, July (2013). DOI.
85. Finite Volume Solution Reconstruction Methods for Truncation Error Estimation, (with T. S. Phillips, J. M. Derlaga, and C. J. Roy), in Proceedings of the 21st AIAA Computational Fluid Dynamics Conference, July (2013). DOI.
86. Error Transport Equation Boundary Conditions for the Euler and Navier-Stokes Equations, (with T. Phillips and C. J. Roy), in Proceedings of the 52nd Aerospace Sciences Meeting, January (2014). DOI.
87. Adjoint and Truncation Error Based Adaptation for Finite Volume Schemes with Error Estimates, (with J. M. Derlaga, T. Phillips, and C. J. Roy), in Proceedings of the 53rd AIAA Aerospace Sciences Meeting, January (2015). DOI.

#### Other Publications

1. Axisymmetric Boundary Element Design Sensitivity Analysis (with S. Saigal), in Proceedings of the Third International Conference on CAD/CAM, Robotics and Factories of the Future, Southfield, MI (August 1988).
2. Torpedo Drag Disk Analysis (with M.A. Tucchio, A.D. Carlson, R.A. Lafreniere, R.S. Munn and C.A. Wagner), NUSC Technical Memorandum (TM 881208) (November 1988).
3. Computational Fluid Dynamics Analysis of Sail-Hull Junction Modifications (with C.A. Wagner, D.C. Brondum and L.S. Langston), NUSC Technical Report (TR 8641) (June 1990).
4. Iterative Matrix Solvers in Incompressible Computational Fluid Dynamics, NUSC Technical Memorandum (TM 901153) (August 1990).

### Presentations

#### Invited Conference Presentations

1. SIAM Annual Meeting, Charlotte, NC, October, 1995.
2. AMS Fall Southern Sectional Meeting, Greensboro, NC, November, 1995.
3. First International Conference on Nonlinear Problems in Aerospace and Aeronautics, Daytona, FL, May, 1996.
4. 18th IFIP TC7 Conference on System Modelling and Optimization, Detroit, MI, July, 1997.
5. Conference on Optimal Design and Control, Washington, DC, October, 1997.
6. Fourth SIAM Conference on Control and its Applications, Jacksonville, FL, May, 1998.
7. Society of Engineering Science 35th Annual Technical Meeting, Pullman, WA, September, 1998.
8. SIAM Conference on Optimization, Atlanta, GA, May, 1999.
9. Annual Meeting of the Canadian Applied and Industrial Mathematics Society, Québec City, Québec, June, 1999.
10. International Symposium on Nonsmooth/Nonconvex Mechanics, Blacksburg, VA, June, 1999.
11. Third International Conference on Non-Linear Problems in Aviation and Aerospace, Daytona Beach, FL, May, 2000.
12. CFD2K, 8th Annual Conference of the CFD Society of Canada, Montréeal, Québec, June, 2000.
13. 2000 American Control Conference, Chicago, IL, June, 2000.
14. 3rd World Congress on Nonlinear Analysis, Catania, Italy, July, 2000.
15. SIAM Control Conference, San Diego, CA, July, 2001.
16. Sensitivity Analysis Workshop 2001, Livermore, CA, August, 2001.
17. Center for Turbomachinery and Compressor Design Annual Review, Blacksburg, VA, September, 2001.
18. 3rd AIAA Theoretical Fluids Meeting, St. Louis, MO, June, 2002. (1 hour invited lecture)
19. SIAM Annual Meeting, Philadelphia, PA, July, 2002.
20. Fifteenth International Symposium on Mathematical Theory of Networks and Systems, South Bend, IN, August, 2002.
21. IMA Workshop on Optimization in Simulation-Based Models, Minneapolis, MN, January, 2003.
22. SIAM Conference on Computational Science and Engineering, San Diego, CA, February, 2003.
23. 7th US National Congress on Computational Mechanics, Albuquerque, NM, July, 2003.
24. Computation, Control and Biological Systems VIII, Bozeman, MT, July, 2003.
25. AMS 2003 Fall Southeastern Sectional Meeting, Chapel Hill, NC, October, 2003.
26. CSIT Workshop on Emerging Methods for Numerical Solution of PDEs, Tallahassee, FL, March, 2004.
27. 2004 Advanced Simulation Technologies Conference, Alexandria, VA, April, 2004.
28. IFIP Workshop on Shape Optimization and Control, Lisbon, Portugal, June, 2004.
29. 2nd AIAA Flow Control Conference, Portland, OR, June, 2004.
30. AMS 2004 Fall Southeastern Sectional Meeting, Pittsburgh, PA, November, 2004.
31. IFIP Workshop on Free and Moving Boundaries, Analysis, Simulation and Control, Houston, TX, December, 2004.
32. International Conference on Approximation Methods for Design and Control, Buenos Aires, Argentina, March, 2005.
33. SIAM Annual Meeting, New Orleans, LA, July, 2005.
34. MOPTA 05, Modeling and Optimization: Theory and Applications, Windsor, ON, Canada, July, 2005. (1 hour invited lecture, w/ D. Pelletier)
35. Workshop on Large-Scale Robust Optimization, Sante Fe, NM, September, 2005.
36. Austrian Mathematical Society, Klagenfurt, Austria, September, 2005.
37. 6th International Conference on Cooperative Control and Optimization, Gainsville, FL, February, 2006.
38. SIAM Annual Meeting, Boston, MA, July, 2006.
39. 7th World Congress on Computational Mechanics, Los Angeles, CA, July, 2006.
40. 14th International Conference on Finite Elements in Flow Problems, Santa Fe, NM, March, 2007.
41. CMMSE 2007 (Computational and Mathematical Methods in Science and Engineering), Chicago, IL, June, 2007.
42. SIAM Control Conference, San Francisco, CA, June, 2007.
43. IFIP TC7 Conference on System Modelling and Optimization, Kraków, Poland, July, 2007.
44. Sandia CSRI Workshop on Mathematical Methods for Verification and Validation, Albuquerque, NM, August, 2007.
45. SEARCDE 2007, Murray State University, Murray, KY, 19-20 October, 2007. (1 hour invited lecture)
46. Inverse Problems: Modeling and Simulation, Fethiye, Turkey, May, 2008.
47. 4th AIAA Flow Control Conference, Seattle, WA, June, 2008.
48. 2008 ASME International Mechanical Engineering Congress & Exposition, Boston, MA, November, 2008.
49. 47th IEEE Conference on Decision and Control, Cancun, Mexico, December, 2008.
50. SIAM Conference on Computational Science and Engineering (CSE09), Miami, FL, March, 2009.
51. International Conference on Approximation Methods for Design and Control, Buenos Aires, Argentina, March, 2009.
52. AMS Spring Southeastern Sectional Meeting, Raleigh, NC, April, 2009.
53. SIAM Conference on Mathematical and Computational Issues in the Geosciences, Leipzig, Germany, June, 2009.
54. SIAM Conference on Control and its Applications, Denver, CO, July, 2009.
55. 2010 American Control Conference, Baltimore, MD, July, 2010.
56. SIAM Annual Meeting, Pittsburgh, PA, July, 2010.
57. SIAM Conference on Mathematical & Computational Issues in the Geosciences, Long Beach, CA, March, 2011.
58. Schnelle Loser fur Partielle Differentialgleichungen, Mathematisches Forschungsinstitut Oberwolfach, Germany, May, 2011.
59. 2011 American Control Conference, San Francisco, CA, June, 2011.
60. 7th International Congress on Industrial and Applied Mathematics (ICIAM), Vancouver, BC, July, 2011.
61. SIAM Conference on Control and its Applications, Baltimore, MD, July, 2011.
62. ICNPAA Congress: Mathematical Problems in Engineering, Aerospace and Sciences, Vienna, Austria, July, 2012.
63. 51st IEEE Conference on Decision and Control, Maui, HI, December, 2012.
64. SIAM Conference on Computational Science and Engineering, Boston, MA, February, 2013.
65. SIAM Conference on Computational Science and Engineering, Boston, MA, February, 2013.
66. IMA Hot Topics Workshop, Mathematical and Computational Challenge in the Control, Optimization, and Design of Energy-Efficient Buildings, Minneapolis, MN, June, 2013.
67. 2013 American Control Conference, Washington, DC, June, 2013.
68. Intelligent Building Operations Workshop, UC Boulder, Boulder, CO, June, 2013.
69. SIAM Annual Meeting, San Diego, CA, July, 2013.
70. SIAM Conference on Analysis of Partial Differential Equations Orlando, FL, December, 2013.

#### Invited Colloquia and Seminars

1. University of Texas at Dallas, Seminar, Richardson, TX, July, 1993.
2. Oregon State University, Mathematics Department Colloquium, Corvallis, OR, February, 1995.
3. Virginia Tech, Mathematics Department Colloquium, Blacksburg, VA, May, 1996.
4. Industrial Materials Institute, Montreal, Quebec, March, 1997.
5. Cornell University, Stability, Transition and Turbulence Seminar, Ithaca, NY, October, 1997.
6. University of Texas at Arlington, Mathematics Colloquium, Arlington, TX, November, 1997.
7. University of Texas at Dallas, Mathematics Seminar, Richardson, TX, November, 1997.
8. University of Pittsburgh, Mathematics Colloquium, Pittsburgh, PA, February, 1998.
9. Washington State University, Mathematics Seminar, Pullman, WA, February, 1998.
10. Virginia Tech, Mathematics Seminar, Blacksburg, VA, February, 1998.
11. Iowa State University, Mathematics Seminar, Ames, IA, March, 1998.
12. University of California at Davis, Mathematics Seminar, Davis, CA, March, 1998.
13. Virginia State University, Mathematics Seminar, Petersburg, VA, November, 1998.
14. University of North Carolina Greensboro, Mathematics Colloquium, Greensboro, NC, April, 1999.
15. University of Pittsburgh, Mathematics Colloquium, Pittsburgh, PA, June, 1999.
16. Montana State University, Mathematics Colloquium, Bozeman, MT, March, 2000.
17. United Technologies Research Center, East Hartford, CT, July, 2001.
18. Sandia National Labs, CSRI Seminar Series, Livermore, CA, March, 2001.
19. Virginia Tech, Aerospace and Ocean Engineering Seminar, Blacksburg, VA, April, 2001.
20. University of Trier, Numerical Analysis Seminar, Trier, Germany, November, 2001.
21. Iowa State University, Mathematics Colloquium, Ames, IA, March, 2002.
22. Worcester Polytechnic Institute, Mechanical Engineering Colloquium, Worcester, MA, September, 2002.
23. Virginia Tech, Mathematics Colloquium, Blacksburg, VA, January, 2003.
24. Montana State University, Applied Mathematics Seminar, Bozeman, MT, February, 2003.
25. University of Louisville, Mathematics Colloquium, Louisville, KY, February, 2003.
26. United States Air Force Academy, Seminar in Closed Loop Flow Control, Colorado Springs, CO, July, 2003.
27. Wright-Patterson Air Force Base, National Research Council Summer Faculty Seminar, Wright-Patterson Air Force Base, OH, August, 2003.
28. Ohio State University, Collaborative Center for Control Science, Columbus, OH, September, 2003.
29. Florida State University, School of Computational Science and Information Technology, Tallahassee, FL, November, 2003.
30. George Mason University, Mathematics Colloquium, Alexandria, VA, November, 2003.
31. University of Florida Graduate Education Research Center, Seminar, Destin, FL, March, 2004.
32. Argonne National Laboratories, Wilkinson Visitor Program, Argonne, IL, October, 2004.
33. George Mason University, Fairfax, VA, February, 2005.
34. Florida State University, Tallahassee, FL, November, 2005.
35. Florida State University, Tallahassee, FL, January, 2006.
36. INFORMS Student Seminar, Industrial Systems Engineering, Blacksburg, VA, March, 2006.
37. Wright-Patterson Air Force Base, American Society of Engineering Education Summer Faculty Seminar, Wright-Patterson Air Force Base, OH, July, 2007.
38. MIT, Model Order Reduction Seminar, Cambridge, MA, October, 2007.
39. Clemson University, Mathematics Colloquium, Clemson, SC, April, 2008.
40. Florida State University, Department of Scientiï¬c Computing Colloquium, Tallahassee, FL, October, 2008.
41. Auburn University, Mathematics and Statistics Colloquium, Auburn, AL, January, 2009.
42. University of Pittsburgh, Mathematics Colloquium, Pittsburgh, PA, February, 2009.
43. Goethe Center for Scientific Computing, Goethe University Frankfurt am Main, Germany, June, 2009.
44. Air Force Institute of Technology, Wright-Patterson Air Force Base, OH, December, 2010.
45. Worcester Polytechnic Institute, Mechanical Engineering Seminar, Worcester, MA, November, 2011.
46. Virginia Tech, Mathematics Colloquium, Blacksburg, VA, April, 2013.
47. Portland State University, Maseeh Mathematics & Statistics Colloquium, Portland, OR, October, 2013.

#### Other Presentations

1. Worcester Polytechnic Institute, Worcester MA, March, 1992.
2. IMA Period of Concentration on Flow Control, Minneapolis, MN, November, 1992.
3. AIAA 5th Symposium on Multidisciplinary Analysis and Optimization, Panama City, FL, September, 1994.
4. 34th IEEE Conference on Decision and Control, New Orleans, LA, December, 1995.
5. 27th AIAA Fluid Dynamics Conference, New Orleans, LA, June, 1996.
6. Air Force Contractors Meeting, Dayton, OH, May, 1997.
7. 36th AIAA Aerospace Sciences Meeting and Exhibition, Reno, NV, January, 1998.
8. SIAM Southeast Regional Mathematics in Industry Workshop, Raleigh, NC, October, 1999.
9. 38th AIAA Aerospace Sciences Meeting and Exhibition, Reno, NV, January, 2000.
10. AD2000 (Automatic Differentiation 2000), Nice, France, June, 2000.
11. AFOSR Workshop on Dynamics and Control, Pasadena, CA, August, 2000.
12. 8th AIAA/USAF/NASA/ISSMO Symposium on Multidisciplinary Analysis and Optimization, Long Beach, CA, September, 2000.
13. Boeing Seminar on Control and Design, Boeing Aerospace, Seattle, WA, September, 2000.
14. United Technologies Research Center, Project Summary, East Hartford, CT, December, 2000.
15. 31st AIAA Fluid Dynamics Conference and Exhibit, Anaheim, CA, June, 2001.
16. AFOSR Workshop on Dynamics and Control, Dayton, OH, July, 2001.
17. AFOSR Workshop on Dynamics and Control, Pasadena, CA, August, 2002.
18. 9th AIAA Symposium on Multidisciplinary Analysis and Optimization, Atlanta, GA, September, 2002.
19. 9th AIAA Symposium on Multidisciplinary Analysis and Optimization, Atlanta, GA, September, 2002.
20. 22nd Annual Southeastern-Atlantic Regional Conference on Differential Equations, Knoxville, TN, October, 2002.
21. 36th AIAA Thermophysics Conference, Orlando, FL, June, 2003.
22. AFOSR Workshop on Dynamics and Control, Destin, FL, September, 2003.
23. 23rd Annual Southeastern-Atlantic Regional Conference on Differential Equations, Atlanta, GA, October, 2003.
24. SIAM Parallel Processing for Scientific Computing, San Francisco, CA, February, 2004.
25. Optimization Days, Montreal, Canada, May, 2004.
26. SIAM Annual Meeting, Portland, OR, July, 2004.
27. 10th AIAA Symposium on Multidisciplinary Analysis and Optimization, Albany, NY, September, 2004.
28. American Physical Society, 57th Annual Meeting of the Division of Fluid Dynamics, Seattle, WA, November, 2004.
29. American Control Conference, Portland, OR, June, 2005.
30. AFOSR Workshop on Computational Mathematics, Long Beach, CA, August, 2005.
31. 30th Annual Conference of the South African Society for Numerical and Applied Mathematics, Stellenbosch, South Africa, April, 2006.
32. AFOSR Joint Program Review, Atlanta, GA, August, 2006.
33. 27th Annual Southeastern-Atlantic Regional Conference on Differential Equations, Greensboro, NC, October, 2006.
34. 2007 SIAM Conference on Computational Science and Engineering, Costa Mesa, CA, February, 2007.
35. AFOSR Joint Program Review, Long Beach, CA, August, 2007.
36. AFOSR Computational Mathematics Program Review, Arlington, VA, August, 2008.
37. 12th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Victoria, British Columbia, Canada, September, 2008.
38. Auburn University, SIAM Student Chapter, Auburn, AL, January, 2009.
39. SIAM Conference on Applications of Dynamical Systems, Snowbird, UT, May.
40. The 2009 Joint ASCE-ASME-SES Conference on Mechanics and Materials, Blacksburg, VA, June, 2009.
41. AFOSR Computational Mathematics Program Review, Arlington, VA, July, 2009.
42. 29th Annual Southeastern-Atlantic Regional Conference on Differential Equations, Mercer, GA, October, 2009.
43. Joint SIAM/RSME-SCM-SEMA Meeting: Emerging Topics in Dynamical Systems and Partial Differential Equations dspdes '10, 2010.
44. American Physical Society, 63rd Annual Meeting of the Division of Fluid Dynamics, Long Beach, CA, November, 2010.
45. American Control Conference, Montreal, Canada, June, 2012.

### Professional Activities

#### Conferences Organized

• 20th Southeast-Atlantic Regional Conference on Differential Equations -- SEARCDE, Blacksburg, VA, October, 2000.

#### Sessions Organized/Co-Organized

• Optimal Design at the SIAM Southeast Regional Mathematics in Industry Workshop, Raleigh, NC, October, 1999.
• Optimal Design and Control at the 3rd International Conference on Nonlinear Problems in Aviation and Aerospace, Daytona, FL, May, 2000.
• Optimal Design at the World Congress of Nonlinear Analysis 2000, Catania, Italy, July, 2000.
• Control of Distributed Parameter Systems: Computation and Optimization at the 2003 American Control Conference, Denver, CO, June, 2003.
• Computational Issues in Control of Complex Flows: I-IV at the SIAM Annual Meeting, Portland, OR, July, 2004.
• Emerging Finite Element Methods for Complex Flow at the 2007 SIAM Conference on Computational Science and Engineering, Costa Mesa, CA, February (with T. Iliescu).
• Model Reduction Methods for Flow in Porous Media at the 2007 SIAM Conference on Mathematical and Computational Issues in the Geosciences, Santa Fe, NM, March (with E. Gilden and H. Klie).
• at the 2009 Joint ASCE-ASME-SES Conference on Mechanics and Materials, Blacksburg, VA, June (with I. Akhtar).
• Targeted Model Reduction for Nonlienar Systems at the 2013 SIAM Conference on Control and its Applications (with L. Zietsman).

Professional Societies
Software