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Presented By: Aerospace Engineering

AE Defense: Fluid-Structure-Jet Interaction Effects on High-Speed Vehicles

Aerospace Engineering PhD Candidate: Ryan Kitson, Dissertation Chair: Professor Carlos Cesnik

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Kitson image
Fluid-Structure-Jet Interaction Effects on High-Speed Vehicles
Aerospace Engineering PhD Candidate: Ryan Kitson
Dissertation Chair: Professor Carlos Cesnik

This dissertation is focused on two design considerations for supersonic intercept missiles: (i) increased structural slenderness and (ii) attitude control jets. The resulting new designs have the potential to increase vehicle performance, but will lead to a coupled fluid-structure-jet interaction that has yet to be studied. Numerical results of the vehicle response across the design space and flight envelope can be used as guidelines for assessment of improved control effectiveness, maneuverability and agility.

First, new modeling methods for approximating the steady-state and dynamic loads are presented. The methods account for the wide range of flight conditions and maneuvering conditions. Next, multiple vehicle models with varying flexibility and fin configuration are developed to conduct high-fidelity analysis and reduced order model flight simulation.

Steady-state and dynamic high-fidelity results have presented that highlight the nonlinearity and sensitivity of fluid-structure-jet interaction to perturbations in the flight conditions and control inputs. These high-fidelity results, as well as flight simulation results of the reduced order models, reveal how fluid-structure-jet interaction can significantly affect the vehicle flight response.

Chair: Professor Carlos E. Cesnik
Cognate Member: Associate Professor Eric Johnsen
Members: Associate Professor Karthik Duraisamy, Professor Peretz P. Friedmann, Dr. Daniel A. Reasor Jr., Air Force Research Laboratory

Publications

Journal Papers

[1] R. C. Kitson and C. E. S. Cesnik, “Multidisciplinary effects on high-speed vehicle performance and stability,” Journal of Spacecraft and Rockets, In Review, 2018.

[2] R. C. Kitson and C. E. S. Cesnik, “Unsteady fluid-structure-jet interactions of agile high-speed vehicles,” Journal of Spacecraft and Rockets, 2018. DOI: 10.2514/1.A34092.

[3] R. C. Kitson and C. E. S. Cesnik, “Fluid-structure-jet interaction modeling and simulation of high-speed vehicles,” Journal of Spacecraft and Rockets, vol. 55, no. 1, pp. 190–201, Jan. 2018. DOI: 10.2514/1.A33895.

Conference Papers

[1] R. C. Kitson and C. E. S. Cesnik, “Multidisciplinary effects on high-speed vehicle performance and stability,” 2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA SciTech Forum, AIAA 2018-1208, Kissimmee, Florida, Jan. 2018. DOI: 10. 2514/6.2018-1208.

[2] AIAA Atmospheric Flight Mechanics Best Student Paper
R. C. Kitson and C. E. S. Cesnik, “Unsteady fluid-structure-jet interactions of agile high-speed vehicles,” AIAA Atmospheric Flight Mechanics Conference, AIAA Aviation Forum, AIAA 2017-3549, Denver, CO, June 2017. DOI: 10.2514/6.2017-3549.

[3] R. C. Kitson and C. E. S. Cesnik, “Unsteady fluid-structure-jet interaction modeling methods for agile high-speed vehicles,” AIAA Atmospheric Flight Mechanics Conference, AIAA Aviation Forum, AIAA 2017-4356, Denver, CO, June 2017. DOI: 10.2514/6.2017-4356.

[4] AIAA Structural Dynamics Best Student Paper
R. C. Kitson and C. E. S. Cesnik, “High speed vehicle fluid-structure-jet interaction analysis and modeling,” 58th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA SciTech Forum, AIAA 2017-0405, Grapevine, TX, Jan. 2017. DOI: 10.2514/6.2017-0405.

[5] R. C. Kitson and C. E. S. Cesnik, “Aeroelastic modeling and simulation of high-speed flexible vehicles,” 15th Dynamics Specialists Conference, AIAA SciTech Forum, AIAA 2016-1324, San Diego, CA, Jan. 2016. DOI: 10.2514/6.2016-1324.

[6] R. C. Kitson, C. A. Lupp, and C. E. S. Cesnik, “Modeling and simulation of flexible jet transport aircraft with high-aspect-ratio wings,” 15th Dynamics Specialists Conference, AIAA SciTech Forum, AIAA 2016-2046, San Diego, CA, Jan. 2016. DOI: 10.2514/6.2016-2046.

[7] R. C. Kitson and C. E. S. Cesnik, “Aeroelastic modeling and simulation of flexible jet transport aircraft with high-aspect-ratio wings,” International Forum on Aeroelasticity and Structural Dynamics, St. Petersburg, Russia, 2015.
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