Design of high speed proprotors using multiobjective optimization techniques [PDF]
An integrated, multiobjective optimization procedure is developed for the design of high speed proprotors with the coupling of aerodynamic, dynamic, aeroelastic, and structural criteria.
Chattopadhyay, Aditi +1 more
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Unsteady transonic flow calculations for two-dimensional canard-wing configurations with aeroelastic applications [PDF]
Unsteady transonic flow calculations for aerodynamically interfering airfoil configurations are performed as a first step toward solving the three dimensional canard wing interaction problem.
Batina, J. T.
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Aeroelastic effects in multirotor vehicles. Part 2: Methods of solution and results illustrating coupled rotor/body aeromechanical stability [PDF]
This report is a sequel to the earlier report titled, Aeroelastic Effects in Multi-Rotor Vehicles with Application to Hybrid Heavy Lift System, Part 1: Formulation of Equations of Motion (NASA CR-3822).
Friedmann, P. P., Venkatesan, C.
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Aeroelastic stability analysis of the AD-1 manned oblique-wing aircraft [PDF]
The AD-1 manned flight test program was conducted to evaluate the stability, control and handling characteristics of oblique wing aircraft. The results of the aeroelastic stability analysis are presented for both the wing alone and the wing with ailerons.
Rutkowski, M. J.
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Effects of structural coupling on mistuned cascade flutter and response [PDF]
The effects of structural coupling on mistuned cascade flutter and response are analytically investigated using an extended typical section model. This model includes both structural and aerodynamic coupling between the blades. The model assumes that the
Kaza, K. R. V., Kielb, R. E.
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Aeroelastic stability of cylindrical tubes
, 1966 [Nedyalkov Ivan; Nedjalkov I.; Недялков Иван] Russian.
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Results of a parametric aeroelastic stability analysis of a generic X-wing aircraft [PDF]
This paper discusses the trends in longitudinal dynamic aeroelastic stability of a generic x-wing aircraft model with design parameter variations. X-wing rotor blade sweep angle, ratio of blade mass to total vehicle mass, blade structural stiffness cross-
Gilbert, Michael G. +2 more
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Transonic calculation of airfoil stability and response with active controls [PDF]
Transonic aeroelastic stability and response analyses are performed for the MBB A-3 supercritical airfoil. Three degrees of freedom are considered: plunge, pitch, and aileron pitch.
Batina, J. T., Ynag, T. Y.
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Interactive aircraft flight control and aeroelastic stabilization [PDF]
Several examples are presented in which flutter involving interaction between flight mechanics modes and elastic wind bending occurs for a forward swept wing flight vehicle.
Schmidt, D. K., Weisshaar, T. A.
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Aeroelastic modeling of rotor blades with spanwise variable elastic axis offset: Classic issues revisited and new formulations [PDF]
In response to a systematic methodology assessment program directed to the aeroelastic stability of hingeless helicopter rotor blades, improved basic aeroelastic reformulations and new formulations relating to structural sweep were achieved ...
Bielawa, Richard L.
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