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Validation of a Mid-Fidelity Approach for Aircraft Stability and Control Characterization.
| 题名： | Validation of a Mid-Fidelity Approach for Aircraft Stability and Control Characterization. |
| 作者： | Simmons, B. M; Geuther, S. C; Ahuja, V. |
| 摘要： | This paper describes an efficient computational approach for aircraft aerodynamic model development intended for use in flight dynamics simulations. A commercial surface-vorticity flow solver called FlightStream ® is employed to predict performance, stability, and control characteristics for a NASA subscale electric vertical takeoff and landing aircraft in its isolated- airframe configuration. A framework is described to rapidly convert OpenVSP geometry into a form compatible with the FlightStream ® software. FlightStream ® predictions for the variation of aerodynamic force and moment coefficients with airflow angles and control surface deflection angles are compared to static wind-tunnel data to illustrate the process and assess the accuracy of FlightStream ® solutions. The results and approach presented in this paper are encouraging for use in rapid aerodynamic modeling and flight dynamics simulation development early in the aircraft design process. |
| 总页数： | 16 pages |
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