منابع مشابه
Observations on Low-Speed Aeroelasticity
A brief history of developments in the field of low-speed aeroelasticity is provided in the context of application to long-span bridge structures. The paper begins with summary of some of the significant developments in aeroelasticity for low-speed aeronautical applications in the early 20th century. The role of the pivotal Tacoma Narrows failure and subsequent investigation is introduced. The ...
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This paper initiates a mathematical theory of aeroelasticity centered on the canonical problem of the flutter boundary an instability endemic to aircraft that limits attainable speed in the subsonic regime. We develop a continuum mathematical model that exhibits the known flutter phenomena and yet is amenable to analysis non-numeric theory. Thus we model the wing as a cantilever beam and limit ...
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The morphing of an air vehicle is to change its shape and size substantially during flight. Thus, the morphing vehicle is to achieve a broader range of operational modes, all of which will maximize the vehicle performance throughout its mission profile. The dream of human flight has been to mimic birds or insect flights in similar manner since the days of Leonardo da Vinci. Our current aeronaut...
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In this paper, we survey numerical methods used in aeroelasticity simulations. These methods are based on two-dimensional Euler equations. However, they are quite general. First, we consider uid dynamics numerical methods, which are also used to solve moving boundaries problems. Fixed computational domain methods (possibly with multiple moving frames of reference) are introduced. Arbitrary Lagr...
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A high-fidelity numerical formulation is presented for the high-speed aeroelastic behavior of slender composite wings. The compressible flow is modeled using the 3-D Euler equations on a deformable mesh, and an asymptotic approximation of the 3-D kinematically-nonlinear equations of elasticity models the anisotropic slender structure. The transfer of the distributed loads and displacements at t...
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ژورنال
عنوان ژورنال: Journal of Applied Mechanics
سال: 1963
ISSN: 0021-8936,1528-9036
DOI: 10.1115/1.3630096