نتایج جستجو برای: aeroelastic frequency response function
تعداد نتایج: 2451851 فیلتر نتایج به سال:
The purpose of this article is modal analysis of ionic polymer metal composite beams, then briefing the system to the unique parameters to help in up modeling of the actuator. In this paper at first using of Mathematical analysis and Closed form transfer function of cantilever beam dynamic response to the forces of different inputs (intensive and continuous) is calculated and for different type...
• A class of identifiable frequency response function models is developed for linear parameter-varying systems. closed-form Jacobian the weighted nonlinear least-squares estimator derived. An experimental LPV FRF model a flexible beam system estimated. The estimate shows high simulation performance on validation data sets. For Linear Time-Invariant (LTI) systems, Frequency Response Functions (F...
Several government/commercial oo-the-shelf modular software packages have been combined to perform static aeroelastic analysis and aerodynamic optimization of a generic high-speed civil transport, with the eventual goal of performing high-delity multidisciplinary optimization (MDO). Results obtained for the aeroelastic analysis and aerodynamic optimization cases are consistent with expectations...
This paper presents a static aeroelastic model and longitudinal trim model for the analysis of a flexible wing transport aircraft. The static aeroelastic model is built using a structural model based on finite-element modeling and coupled to an aerodynamic model that uses vortex-lattice solution. An automatic geometry generation tool is used to close the loop between the structural and aerodyna...
The development of a pilot-in-the-loop investigation into rotorcraft-pilot coupling are presented for three test campaigns which were conducted as part of GARTEUR HC(AG-16): rigid body; biodynamic and aeroelastic. For each campaign, the modelling activities and results are shown. PIO events were recorded during the rigid body test campaign, although not always in the expected vehicle axes. The ...
Exact dynamic analysis of piers due to lack of information about their constituting sub systems, is very complicated. Ordinary finite element methods cannot be used in modeling of complex dynamic systems such as these structures since many uncertainty factors exist which cannot be identified exactly. In addition to physical modeling of a pier structure, existence of uncertainty in dynamic behav...
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