Effect of Aerodynamic Damping Approximations on Aeroelastic Eigensensitivities
نویسندگان
چکیده
Aeroelastic sensitivities for the flutter solution are a crucial component of multi-disciplinary optimization methods employed in modern aircraft design. This paper derives aeroelastic different aerodynamic damping approximations—the p-k method, g method and generalized analysis method—highlighting influence approximation on required derivatives. The derived formulation determination by means direct is verified case two-degree-of-freedom typical section model, where analytical can be analytically obtained. For this an additional namely AGARD 445.6 weakened wing, significant effect shown.
منابع مشابه
effect of oral presentation on development of l2 learners grammar
this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...
15 صفحه اولAeroelastic Analysis of Bridges: Effects of Turbulence and Aerodynamic Nonlinearities
Current linear aeroelastic analysis approaches are not suited for capturing the emerging concerns in bridge aerodynamics introduced by aerodynamic nonlinearities and turbulence effects. These issues may become critical for bridges with increasing spans and/or with aerodynamic characteristics sensitive to the effective angle of incidence. This paper presents a nonlinear aerodynamic force model a...
متن کاملSimulations of Aerodynamic Damping for MEMS Resonators
Aerodynamic damping for MEMS resonators is studied based on the numerical solution of Boltzmann-ESBGK equation. A compact model is then developed based on numerical simulations for a wide range of Knudsen numbers. The damping predictions are compared with both Reynold equation based models and several sets of experimental data. It has been found that the structural damping is dominant at low pr...
متن کاملthe effect of explicit teaching of metacognitive vocabulary learning strategies on recall and retention of idioms
چکیده ندارد.
15 صفحه اولRobust Structural Design for Active Aeroelastic Wing with Aerodynamic Uncertainties
A multidisciplinary design study for Active Aeroelastic Wing technology considering the uncertainty in maneuver loads estimated by linear aerodynamic theory is presented. The study makes use of a design of experiments/response surface methodology and modal-based structural optimization to construct deterministic relationships between wing structural weight and control laws design, based on line...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Aerospace
سال: 2022
ISSN: ['2226-4310']
DOI: https://doi.org/10.3390/aerospace9030127