# Kenneth C. Hall

### Julian Francis Abele Professor of Mechanical Engineering and Materials Science in the Edmund T. Pratt, Jr. School of Engineering

###### Appointments and Affiliations

- Julian Francis Abele Professor of Mechanical Engineering and Materials Science in the Edmund T. Pratt, Jr. School of Engineering
- Professor of Mechanical Engineering and Materials Science

###### Contact Information:

**Office Phone:**(919) 660-5328**Email Address:**kenneth.c.hall@duke.edu

###### Education:

- Sc.D. Massachusetts Institute of Technology, 1987
- M.S. Massachusetts Institute of Technology, 1983
- B.S. Massachusetts Institute of Technology, 1981

###### Research Interests:

Dr. Hall specializes in unsteady aerodynamics, structural dynamics, and aeroelasticity of turbomachinery and aerospace vehicles. Novel approaches to modeling complex physical phenomena using computational fluid dynamics. Optimization and sensitivity analysis. Fluid dynamics of animal propulsion.

###### Specialties:

Aerodynamics

Fluid Mechanics

Aerospace

Aeroelasticity

###### Courses Taught:

- ME 472: Aircraft Performance
- ME 672: Unsteady Aerodynamics

###### Representative Publications: (More Publications)

- Thomas, J.P. and Dowell, E.H. and Hall, K.C.,
*Static/dynamic correction approach for reduced-order modeling of unsteady aerodynamics*, J. Aircr. (USA), vol 43 no. 4 (2006), pp. 865 - 78 [abs]. - Liu, L. and Thomas, J.P. and Dowell, E.H. and Attar, P. and Hall, K.C.,
*A comparison of classical and high dimensional harmonic balance approaches for a Duffing oscillator*, J. Comput. Phys. (USA), vol 215 no. 1 (2006), pp. 298 - 320 [026] [abs]. - Carlson, Henry A. and Feng, James Q. and Thomas, Jeffrey P. and Kielb, Robert E. and Hall, Kenneth C. and Dowell, Earl H.,
*Computational models for nonlinear aeroelasticity*, 43rd AIAA Aerospace Sciences Meeting and Exhibit - Meeting Papers (2005), pp. 4143 - 4152 [abs]. - Thomas, Jeffrey P. and Dowell, Earl H. and Hall, Kenneth C. and Denegri Jr., Charles M.,
*Further investigation of modeling limit cycle oscillation behavior of the F-16 fighter using a harmonic balance approach*, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, vol 3 (2005), pp. 1457 - 1466 [abs]. - Dowell, E.H. and Thomas, J.P. and Hall, K.C.,
*Transonic limit cycle oscillation analysis using reduced order aerodynamic models*, Journal of Fluids and Structures, vol 18 no. SUPPL (2004), pp. 17 - 27 [018] [abs]. - Thomas, Jeffrey P. and Dowell, Earl H. and Hall, Kenneth C. and Denegri Jr., Charles M.,
*Modeling limit cycle oscillation behavior of the F-16 fighter using a harmonic balance approach*, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, vol 3 (2004), pp. 2044 - 2050 [abs]. - Kholodar, Denis B. and Dowell, Earl H. and Thomas, Jeffrey P. and Hall, Kenneth C.,
*Limit-cycle oscillations of a typical airfoil in transonic flow*, Journal of Aircraft, vol 41 no. 5 (2004), pp. 1067 - 1072 [abs]. - Dowell, E.H. and Thomas, J.P. and Hall, K.C.,
*Transonic limit cycle oscillation analysis using reduced order aerodynamic models*, Journal of Fluids and Structures, vol 19 no. 1 (2004), pp. 17 - 27 [018] [abs]. - Kholodar, Denis B. and Dowell, Earl H. and Thomas, Jeffrey P. and Hall, Kenneth C.,
*Improved understanding of transonic flutter: A three-parameter flutter surface*, Journal of Aircraft, vol 41 no. 4 (2004), pp. 911 - 917 [abs]. - Thomas, Jeffrey P. and Dowell, Earl H. and Hall, Kenneth C.,
*Modeling limit cycle oscillations for an NLR 7301 airfoil aeroelastic configuration including correlation with experiment*, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, vol 1 (2003), pp. 289 - 297 [abs]. - Kielb, Robert E. and Thomas, Jeffrey P. and Barter, John W. and Hall, Kenneth C.,
*Blade excitation by aerodynamic instabilities - A compressor blade study*, American Society of Mechanical Engineers, International Gas Turbine Institute, Turbo Expo (Publication) IGTI, vol 4 (2003), pp. 399 - 406 [abs]. - Hall, K.C. and Thomas, J.P. and Clark, W.S.,
*Computation of unsteady nonlinear flows in cascades using a harmonic balance technique*, AIAA J. (USA), vol 40 no. 5 (2002), pp. 879 - 86 [abs]. - Thomas, J.P. and Dowell, E.H. and Hall, K.C.,
*Nonlinear inviscid aerodynamic effects on transonic divergence, flutter, and limit-cycle oscillations*, AIAA J. (USA), vol 40 no. 4 (2002), pp. 638 - 46 [abs]. - Thomas, J.P. and Dowell, E.H. and Hall, K.C.,
*Three-dimensional transonic aeroelasticity using proper orthogonal decomposition based reduced order models*, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, vol 4 (2001), pp. 2555 - 2564 [abs]. - Dowell, E.H. and Thomas, J.P. and Hall, K.C.,
*Transonic limit cycle oscillation analysis using reduced order aerodynamic models*, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, vol 1 (2001), pp. 255 - 263 [abs]. - Hall, K.C. and Thomas, J.P. and Dowell, E.H.,
*Proper orthogonal decomposition technique for transonic unsteady aerodynamic flows*, AIAA J. (USA), vol 38 no. 10 (2000), pp. 1853 - 62 [abs]. - Florea, Razvan and Hall, Kenneth C. and Dowell, Earl H.,
*Eigenmode analysis and reduced-order modeling of unsteady transonic potential flow around airfoils*, Journal of Aircraft, vol 37 no. 3 (2000), pp. 454 - 462 [abs]. - Clark, William S. and Hall, Kenneth C.,
*Time-linearized Navier-Stokes analysis of stall flutter*, Journal of Turbomachinery, Transactions of the ASME, vol 122 no. 3 (2000), pp. 467 - 476 [1.1303073] [abs]. - Dowell, Earl H. and Hall, Kenneth C. and Thomas, Jeffrey P. and Florea, Razvan and Epureanu, Bogdan I. and Heeg, Jennifer,
*Reduced order models in unsteady aerodynamics*, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, vol 1 (1999), pp. 622 - 637 [abs]. - Tang, Deman and Dowell, Earl H. and Hall, Kenneth C.,
*Limit cycle oscillations of a cantilevered wing in low subsonic flow*, AIAA Journal, vol 37 no. 3 (1999), pp. 364 - 371 [abs]. - Silkowski, P.D. and Hall, K.C.,
*Coupled mode analysis of unsteady multistage flows in turbomachinery*, Journal of Turbomachinery, Transactions of the ASME, vol 120 no. 3 (1998), pp. 410 - 421 [abs]. - Hall, K.C. and Silkowski, P.D.,
*Influence of neighboring blade rows on the unsteady aerodynamic response of cascades*, Journal of Turbomachinery, Transactions of the ASME, vol 119 no. 1 (1997), pp. 85 - 93 [abs]. - Silkowski, Peter D. and Hall, Kenneth C.,
*Coupled mode analysis of unsteady multistage flows in turbomachinery*, American Society of Mechanical Engineers (Paper) (1997), pp. 15 - [abs]. - Dowell, Earl H. and Hall, Kenneth C. and Romanowski, Michael C.,
*Eigenmode analysis in unsteady aerodynamics: reduced order models*, Applied Mechanics Reviews, vol 50 no. 6 (1997), pp. 371 - 385 [abs]. - Hall, Kenneth C. and Hall, Steven R.,
*Minimum induced power requirements for flapping flight*, Journal of Fluid Mechanics, vol 323 (1996), pp. 285 - 315 [abs]. - Clark, William S. and Hall, Kenneth C.,
*Numerical model of the onset of stall flutter in cascades*, American Society of Mechanical Engineers (Paper) (1995), pp. 11 - [abs]. - Hall, Kenneth C. and Silkowski, Peter D.,
*Influence of neighboring blade rows on the unsteady aerodynamic response of cascades*, American Society of Mechanical Engineers (Paper) (1995), pp. 11 - [abs]. - Florea, Razvan and Hall, Kenneth C.,
*Reduced order modeling of unsteady flows about airfoils*, American Society of Mechanical Engineers, Aerospace Division (Publication) AD, vol 44 (1994), pp. 49 - 68 [abs]. - Hall, K.C. and Clark, W.S. and Lorence, C.B.,
*Linearized euler analysis of unsteady transonic flows in turbomachinery*, Journal of Turbomachinery, Transactions of the ASME, vol 116 no. 3 (1994), pp. 477 - 488 [abs]. - Hall, Kenneth C.,
*Eigenanalysis of unsteady flows about airfoils, cascades, and wings*, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics & Materials Conference no. 2 (1994), pp. 967 - 976 [abs]. - Hall, Steven R. and Yang, Kyle Y. and Hall, Kenneth C.,
*Helicopter rotor lift distributions for minimum-induced power loss*, Journal of Aircraft, vol 31 no. 4 (1994), pp. 837 - 845 [abs]. - Hall, Kenneth C. and Florea, Razvan and Lanzkron, Paul J.,
*Reduced order model of unsteady flows in turbomachinery*, American Society of Mechanical Engineers (Paper) (1994), pp. 1 - 11 [abs]. - Hall, Kenneth C. and Clark, William S. and Lorence, Christopher B.,
*Linearized Euler analysis of unsteady transonic flows in turbomachinery*, American Society of Mechanical Engineers (Paper) (1993), pp. 13 - [abs]. - Hall, K.C. and Lorence, C.B.,
*Calculation of three-dimensional unsteady flows in turbomachinery using the linearized harmonic Euler equations*, Journal of Turbomachinery, Transactions of the ASME, vol 115 no. 4 (1993), pp. 800 - 809 [abs]. - Hall, Kenneth C. and Verdon, Joseph M.,
*Gust response analysis for cascades operating in nonuniform mean flows*, AIAA Journal, vol 29 no. 9 (1991), pp. 1463 - 1471 [abs]. - Verdon, Joseph M. and Barnett, Mark and Hall, Kenneth C. and Ayer, Timothy C.,
*Development of unsteady aerodynamic analyses for turbomachinery aeroelastic and aeroacoustic applications*, NASA Contractor Reports no. 4405 (1991), pp. 112 -. - Hall, Kenneth C. and Crawley, Edward F.,
*Calculation of unsteady flows in turbomachinery using the linearized Euler equations*, AIAA Journal, vol 27 no. 6 (1989), pp. 777 - 787 [abs]. - Crawley, E. F. and Hall, K. C.,
*OPTIMIZATION AND MECHANISMS OF MISTUNING IN CASCADES.*, Journal of Engineering for Gas Turbines and Power, Transactions of the ASME, vol 107 no. 2 (1985), pp. 418 - 426 [abs]. - Crawley, E. F. and Hall, K. C.,
*OPTIMIZATION AND MECHANISMS OF MISTUNING IN CASCADES.*, American Society of Mechanical Engineers (Paper) (1984), pp. -. - Hall, K.C. and Hall, S.R.,
*Minimum induced power requirements for flapping flight*, J. Fluid Mech. (UK), vol 323 (25), pp. 285 - 315 [abs]. - Thomas, J.P. and Hall, K.C. and Dowell, E.H.,
*Discrete adjoint approach for modeling unsteady aerodynamic design sensitivities*, AIAA J. (USA), vol 43 no. 9, pp. 1931 - 6 [abs]. - Ekici, K. and Hall, K.C.,
*Fast estimation of unsteady flows in turbomachinery at multiple interblade phase angles*, AIAA J. (USA), vol 44 no. 9, pp. 2136 - 42 [1.23288] [abs]. - Thomas, Jeffrey P. and Dowell, Earl H. and Hall, Kenneth C.,
*Using automatic differentiation to create a nonlinear reduced order model of a computational fluid dynamic solver*, Collection of Technical Papers - 11th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, vol 4 (2006), pp. 2437 - 2449 [abs].

**Experience:**

- 2007 - Present: Professor, Duke University, Durham, NC Department of Mechanical Engineering and Materials Science.
- 2001 - 2007: Professor and Chair, Duke University, Durham, NC Department of Mechanical Engineering and Materials Science.
- 2000 - 2001: Professor, Duke University, Durham, NC Department of Mechanical Engineering and Materials Science.
- 1997 - 1998: Visiting Associate Professor, Massachusetts Institute of Technology, Cambridge, MA. Department of Aeronautics and Astronautics.
- 1996 - 2000: Associate Professor, Duke University, Durham, NC Department of Mechanical Engineering and Materials Science.
- 1990 - 1996: Assistant Professor, Duke University , Durham, NC Department of Mechanical Engineering and Materials Science .
- 1987 - 1990: Associate Research Engineer, United Technologies Research Center , East Hartford, CT.
- 1981 - 1987: Research Assistant in the Gas Turbine Laboratory , Massachusetts Institute of Technology , Cambridge, MA

**Professional Activities:**

- Member International Gas Turbine Institute (IGTI) Board of Directors (2003-2009)
- Chairman of the ASME International Gas Turbine Institute (IGTI) Structures & Dynamics Technical Committee (2000-2002).
- Member of the ASME/IGTI Turbomachinery Technical Committee.
- Reviewer for numerous journals, including the ASME Journal of Turbomachinery, AIAA Journal, Journal of Fluid and Structures, and Journal of Computational Physics.
- Host of the Tenth International Symposium on Unsteady Aerodynamics, Aeroacoustics, and Aeroelasticy to be held at Duke University in 2003.
- Associate Fellow, American Institute of Aeronautics and Astronautics
- Fellow, American Society of Mechanical Engineers