Abstract
A nonlinear, wind tunnel-CFD based model of the longitudinal and lateral-directional dynamics for a wing-cone air-breathing hypersonic vehicle (GHV) is developed. The equations of motion for the GHV are derived using Newton’s and Euler’s equations. Both wind tunnel investigation results and CFD code simulations are used to develop a merged aerodynamic database. Nonlinear analytical optimization techniques are employed to generate analytical expressions for the aerodynamic coefficients. The model is derived using 2-D shock wave theory principles and coupling between the aerodynamics and propulsion systems. The linearized GHV dynamic model is investigated at Mach=5.
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