# Jeffrey P. Thomas

### Publications

- Besem, FM; Kamrass, JD; Thomas, JP; Tang, D; Kielb, RE,
*Vortex-Induced Vibration and Frequency Lock-In of an Airfoil at High Angles of Attack*, Journal of Fluids Engineering, vol 138 no. 1 (2015), pp. 011204-011204 [10.1115/1.4031134] [abs]. - Howison, J; Thomas, JP; Ekici, K,
*Progress on a wind turbine aeroelastic solution methodology using harmonic balance*, 33rd Wind Energy Symposium (2015) [abs]. - Besem, FM; Kamrass, JD; Thomas, JP; Tang, D; Kielb, RE,
*Vortex-induced vibration and frequency lock-in of an airfoil at high angles of attack*, Proceedings of the ASME Turbo Expo, vol 7B (2014) [10.1115/GT2014-25648] [abs]. - Clark, ST; Besem, FM; Kielb, RE; Thomas, JP,
*Developing a reduced-order model of non-synchronous vibration in turbomachinery using proper-orthogonal decomposition methods*, Proceedings of the ASME Turbo Expo, vol 7B (2014) [10.1115/GT2014-25547] [abs]. - Thomas, JP; Dowell, EH,
*Discrete adjoint approach for aeroelastic design optimization*, AIAA AVIATION 2014 -15th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference (2014) [abs]. - Ekici, K; Hall, KC; Huang, H; Thomas, JP,
*Stabilization of Explicit Flow Solvers Using a Proper-Orthogonal-Decomposition Technique*, AIAA Journal, vol 51 no. 5 (2013), pp. 1095-1104 [10.2514/1.J051945] [abs]. - Hall, KC; Ekici, K; Thomas, JP; Dowell, EH,
*Harmonic balance methods applied to computational fluid dynamics problems*, International Journal of Computational Fluid Dynamics, vol 27 no. 2 (2013), pp. 52-67 [10.1080/10618562.2012.742512] [abs]. - Thomas, JP; Custer, CH; Dowell, EH; Hall, KC; Corre, C,
*Compact implementation strategy for a harmonic balance method within implicit flow solvers*, AIAA Journal, vol 51 no. 6 (2013), pp. 1374-1381 [10.2514/1.J051823] [abs]. - Thomas, JP; Dowell, EH; Hall, KC,
*Discrete adjoint method for nonlinear aeroelastic sensitivities for compressible and viscous flows*, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference (2013) [abs]. - Thomas, JP; Dowell, EH; Hall, KC,
*Discrete adjoint method for nonlinear aeroelastic sensitivities for compressible and viscous flows*, 54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference (2013) [10.2514/6.2013-1860] [abs]. - Thomas, JP; Dowell, EH; Hall, KC,
*An automatic differentiation based nonlinear reduced order modeling technique for unsteady separated flows*, 50th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition (2012) [10.2514/6.2012-1098] [abs]. - Thomas, JP; Dowell, EH,
*Airfoil transonic flow buffet calculations using the OVERFLOW 2 flow solver*, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference (2011) [10.2514/6.2011-2077] [abs]. - Thomas, JP; Custer, CH; Dowell, EH; Hall, KC,
*F-16 fighter aeroelastic computations using a harmonic balance implementation of the OVERFLOW 2 flow solver*, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference (2010) [abs]. - Thomas, JP; Dowell, EH; Hall, KC,
*Using automatic differentiation to create a nonlinear reduced-order-model aerodynamic solver*, AIAA Journal, vol 48 no. 1 (2010), pp. 19-24 [10.2514/1.36414] [abs]. - Dowell, EH; Thomas, JP; Hall, KC; Jr, CMD,
*Theoretical predictions of F-16 fighter limit cycle oscillations for flight flutter testing*, Journal of aircraft, vol 46 no. 5 (2009), pp. 1667-1672 [10.2514/1.42352] [abs]. - Meingast, M; Kielb, RE; Thomas, JP,
*Preliminary flutter design method for supersonic low pressure turbines*, Proceedings of the ASME Turbo Expo, vol 6 no. PART A (2009), pp. 507-515 [10.1115/GT2009-59177] [abs]. - Ortner, K; Kohns, A; Turley, F; Thomas, J,
*Erosion Resistant Coatings for Aircraft Engines*, Vakuum in Forschung Und Praxis, vol 21 no. 3 (2009), pp. 18-21 [10.1002/vipr.200900387] [abs]. - Schwarz, JB; Dowell, EH; Thomas, JP; Hall, KC; Rausch, RD; Bartels, RE,
*Improved flutter boundary prediction for an isolated two-degree-of-freedom airfoil*, Journal of aircraft, vol 46 no. 6 (2009), pp. 2069-2076 [10.2514/1.30703] [abs]. - Spiker, MA; Kielb, RE; Thomas, JP; Hall, KC,
*Application of enforced motion to study 2-D cascade lock-in effect*, 47th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition (2009) [abs]. - Thomas, JP; Custer, CH; Dowell, EH; Hall, KC,
*Unsteady flow computation using a harmonic balance approach implemented about the OVERFLOW 2 flow solver*, 19th AIAA Computational Fluid Dynamics Conference (2009) [abs]. - Bakhle, MA; Thomas, JP; Reddy, TSR,
*Fan flutter computations using the harmonic balance method*, 44th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit (2008) [abs]. - Dowell, EH; Hall, KC; Thomas, JP; Kielb, RE; Spiker, MA; Jr, CMD,
*A new solution method for unsteady flows around oscillating bluff bodies*, IUTAM Bookseries, vol 8 (2008), pp. 37-44 [abs]. - Dowell, EH; Hall, KC; Thomas, JP; Kielb, RE; Spiker, MA; Li, A; Jr, CMD,
*Reduced order models in unsteady aerodynamic models, aeroelasticity and molecular dynamics*, ICAS Secretariat - 26th Congress of International Council of the Aeronautical Sciences 2008, ICAS 2008, vol 1 (2008), pp. 4002-4014 [abs]. - Spiker, MA; Kielb, RE; Hall, KC; Thomas, JP,
*Efficient design method for non-synchronous vibrations using enforced motion*, Proceedings of the ASME Turbo Expo, vol 5 no. PART B (2008), pp. 735-747 [10.1115/GT2008-50599] [abs]. - Liu, L; Dowell, EH; Thomas, JP,
*A high dimensional harmonic balance approach for an aeroelastic airfoil with cubic restoring forces*, Journal of Fluids and Structures, vol 23 no. 3 (2007), pp. 351-363 [10.1016/j.jfluidstructs.2006.09.005] [abs]. - Thomas, JP; Dowels, EH; Hall, KC; Jr, CMD,
*Virtual aeroelastic flight testing for the F-16 fighter with stores*, Collection of Technical Papers - U.S. Air Force T and E Days, 2007(Test and Evaluation (2007), pp. 339-346 [abs]. - Attar, PJ; Dowell, EH; White, JR; Thomas, JP,
*Reduced order nonlinear system identification methodology*, AIAA Journal, vol 44 no. 8 (2006), pp. 1895-1904 [10.2514/1.16221] [abs]. - Liu, L; Thomas, JP; Dowell, EH; Attar, P; Hall, KC,
*A comparison of classical and high dimensional harmonic balance approaches for a Duffing oscillator*, Journal of Computational Physics, vol 215 no. 1 (2006), pp. 298-320 [10.1016/j.jcp.2005.10.026] [abs]. - Spiker, MA; Thomas, JP; Hall, KC; Kielb, RE; Dowell, EH,
*Modeling cylinder flow vortex shedding with enforced motion using a harmonic balance approach*, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, vol 7 (2006), pp. 4549-4558 [abs]. - Thomas, JP; Dowell, EH; Hall, KC,
*Static/dynamic correction approach for reduced-order modeling of unsteady aerodynamics*, Journal of aircraft, vol 43 no. 4 (2006), pp. 865-878 [10.2514/1.12349] [abs]. - Thomas, JP; Dowell, EH; Hall, KC,
*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]. - Thomas, JP; Dowell, EH; Hall, KC; Jr, CMD,
*An investigation of the sensitivity of F-16 fighter flutter onset and limit cycle oscillations to uncertainties*, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, vol 5 (2006), pp. 3137-3144 [abs]. - Carlson, HA; Feng, JQ; Thomas, JP; Kielb, RE; Hall, KC; Dowell, EH,
*Computational models for nonlinear aeroelasticity*, 43rd AIAA Aerospace Sciences Meeting and Exhibit - Meeting Papers (2005), pp. 4143-4152 [abs]. - Dowell, EH; Hall, KC; Thomas, JP; Kielb, RE; Spiker, MA; Jr, CMD,
*Reduced order unsteady aerodynamic models and aeroelasticity*, 12th International Congress on Sound and Vibration 2005, ICSV 2005, vol 1 (2005), pp. 47-64 [abs]. - Hall, KC; Kielb, RE; Ekici, K; Thomas, JP; Clark, WS,
*Recent advancements in turbomachinery aeroelastic design analysis*, 43rd AIAA Aerospace Sciences Meeting and Exhibit - Meeting Papers (2005), pp. 11253-11274 [abs]. - Liu, L; Dowell, EH; Thomas, JP,
*Higher order harmonic balance analysis for limit cycle oscillations in an airfoil with cubic restoring forces*, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, vol 3 (2005), pp. 1467-1476 [abs]. - Thomas, JP; Dowell, EH; Hall, KC; Jr, CMD,
*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]. - Thomas, JP; Hall, KC; Dowell, EH,
*Discrete adjoint approach for modeling unsteady aerodynamic design sensitivities*, AIAA Journal, vol 43 no. 9 (2005), pp. 1931-1936 [abs]. - Dowell, EH; Thomas, JP; Hall, KC,
*Transonic limit cycle oscillation analysis using reduced order aerodynamic models*, Journal of Fluids and Structures, vol 19 no. 1 (2004), pp. 17-27 [10.1016/j.jfluidstructs.2003.07.018] [abs]. - Kholodar, DB; Dowell, EH; Thomas, JP; Hall, KC,
*Limit-cycle oscillations of a typical airfoil in transonic flow*, Journal of aircraft, vol 41 no. 5 (2004), pp. 1067-1072 [abs]. - Kholodar, DB; Dowell, EH; Thomas, JP; Hall, KC,
*Improved understanding of transonic flutter: A three-parameter flutter surface*, Journal of aircraft, vol 41 no. 4 (2004), pp. 911-917 [abs]. - Thomas, JP; Dowell, EH; Hall, KC,
*Modeling viscous transonic limit-cycle oscillation behavior using a harmonic balance approach*, Journal of aircraft, vol 41 no. 6 (2004), pp. 1266-1274 [abs]. - Thomas, JP; Dowell, EH; Hall, KC; Jr, CMD,
*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]. - Hall, KC; Thomas, JP; Ekici, K; Voytovych, DM,
*Frequency domain techniques for complex and nonlinear flows in turbomachinery*, 33rd AIAA Fluid Dynamics Conference and Exhibit (2003) [abs]. - Thomas, JP; Dowell, EH; Hall, KC,
*Modeling limit cycle oscillations for an NLR 7301 airfoil aeroelastic configuration including correlation with experiment*, 44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference (2003) [abs]. - Thomas, JP; Hall, KC; Dowell, EH,
*A discrete adjoint approach for modeling unsteady aerodynamic design sensitivities*, 41st Aerospace Sciences Meeting and Exhibit (2003) [abs]. - Thomas, JP; Hall, KC; Dowell, EH,
*A harmonic balance approach for modeling nonlinear aeroelastic behavior of wings in transonic viscous flow*, 44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference (2003) [abs]. - Kholodar, DB; Thomas, JP; Dowell, EH; Hall, KC,
*Parametric study of flutter for an airfoil in inviscid transonic flow*, Journal of Aircraft, vol 40 no. 2 (2003), pp. 303-313 [abs]. - Kielb, RE; Thomas, JP; Barter, JW; Hall, KC,
*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 [10.1115/GT2003-38634] [abs]. - Thomas, JP; Dowell, EH; Hall, KC,
*Three-dimensional transonic aeroelasticity using proper orthogonal decomposition-based reduced-order models*, Journal of Aircraft, vol 40 no. 3 (2003), pp. 544-551 [abs]. - Thomas, JP; Dowell, EH; Hall, KC,
*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]. - Thomas, JP; Hall, KC; Dowell, EH,
*A harmonic balance approach for modeling nonlinear aeroelastic behavior of wings in transonic viscous flow*, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, vol 7 (2003), pp. 4779-4784 [abs]. - Hall, KC; Thomas, JP; Clark, WS,
*Computation of unsteady nonlinear flows in cascades using a harmonic balance technique*, AIAA Journal, vol 40 no. 5 (2002), pp. 879-886 [abs]. - Kholodar, DB; Thomas, JP; Dowell, EH; Hall, KC,
*A parameter study of transonic airfoil flutter and limit cycle oscillation behavior*, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, vol 1 (2002), pp. 64-79 [abs]. - Thomas, JP; Dowell, EH; Hall, KC,
*A harmonic balance approach for modeling three-dimensional nonlinear unsteady aerodynamics and aeroelasticity*, ASME International Mechanical Engineering Congress and Exposition, Proceedings (2002), pp. 1323-1334 [10.1115/IMECE2002-32532] [abs]. - Thomas, JP; Dowell, EH; Hall, KC,
*Nonlinear inviscid aerodynamic effects on transonic divergence, flutter, and limit-cycle oscillations*, AIAA Journal, vol 40 no. 4 (2002), pp. 638-646 [abs]. - Thomas, JP; Dowell, EH; Hall, KC,
*A harmonic balance approach for modeling three-dimensional nonlinear unsteady aerodynamics and aeroelasticity*, AMD (Symposia Series) (American Society of Mechanical Engineers, Applied Mechanics Division), vol 253 no. 2 (2002), pp. 1323-1334 [10.1115/IMECE2002-32532] [abs]. - Thomas, JP; Dowell, EH; Hall, KC,
*Modeling viscous transonic limit cycle oscillation behavior using a harmonic balance approach*, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, vol 3 (2002), pp. 1658-1666 [abs]. - Dowell, EH; Thomas, JP; Hall, KC,
*Transonic limit cycle oscillation analysis using reduced order aerodynamic models*, 19th AIAA Applied Aerodynamics Conference (2001) [abs]. - Thomas, JP; Dowell, EH; Hall, KC,
*Three-Dimensional transonic Aeroelasticity using proper orthogonal decomposition based reduced order models*, 19th AIAA Applied Aerodynamics Conference (2001) [abs]. - Thomas, JP; Dowell, EH; Hall, KC,
*Nonlinear inviscid aerodynamic effects on transonic divergence, flutter and limit cycle oscillations*, 19th AIAA Applied Aerodynamics Conference (2001) [abs]. - Thomas, JP; Dowell, EH; Hall, KC,
*A static/dynamic correction approach for reduced-order modeling of unsteady aerodynamics*, 39th Aerospace Sciences Meeting and Exhibit (2001) [abs]. - Dowell, EH; Thomas, JP; Hall, KC,
*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]. - Thomas, JP; Dowell, EH; Hall, KC,
*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]. - Thomas, JP; Dowell, EH; Hall, KC,
*Nonlinear inviscid aerodynamic effects on transonic divergence, flutter and limit cycle oscillations*, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, vol 1 (2001), pp. 230-241 [abs]. - Hall, KC; Thomas, JP; Dowell, EH,
*Proper orthogonal decomposition technique for transonic unsteady aerodynamic flows*, AIAA journal, vol 38 no. 10 (2000), pp. 1853-1862 [abs]. - Dowell, EH; Hall, KC; Thomas, JP; Florea, R; Epureanu, BI; Heeg, J,
*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].