|
|
|
Kyungwon Oh and Seonghee Kho
The purpose of this paper is to analyze the structural stability of an underwater high-speed vehicle. The drag characteristics of a moving body moving at high speed in water were analyzed, and a stability analysis of the structure was performed by applyi...
ver más
|
|
|
|
|
|
|
Qi Liu, Juanmian Lei, Yong Yu and Jintao Yin
Obvious aeroelastic deformation occurs in spinning projectiles with large slenderness ratio, which seriously affects flight stability and maneuverability. This paper investigates the aeroelastic response of spinning projectiles with large slenderness rat...
ver más
|
|
|
|
|
|
|
Chenyu Liu, Changchuan Xie, Yang Meng and Liuyue Bai
Due to the maneuver and overload requirements of aircraft, it is inevitable that supersonic fins experience high angles of attack (AOAs) and viscous effects at high altitudes. The local piston theory with viscous correction (VLPT) is introduced and modif...
ver más
|
|
|
|
|
|
|
Liqi Zhang and Yonghui Zhao
Advanced rotational variable-swept missile wings require the ability to rapidly deploy, retract and reach the designated position. Therefore, the establishment of an effective time-varying aeroelastic model of a rotating missile wing is the prerequisite ...
ver más
|
|
|
|
|
|
|
Tariq Darabseh, Abdallah Tarabulsi and Abdel-Hamid I. Mourad
In this paper, a discrete-time model predictive controller using Laguerre orthonormal function-based (LMPC) for active flutter suppression of a two-dimensional wing with a flap is presented. In this work, a linear mathematical state-space model for the p...
ver más
|
|
|
|
|
|
|
Aniello Daniele Marano, Marika Belardo, Jacopo Beretta, Filomena Starace, Salvatore Orlando, Claudio Punzi, Raffaele Frajese, Nicola Paletta and Luigi Di Palma
The tiltrotor wing structure is one of the most critical and heavily investigated structures in design due to the fundamental need to consider the interactions between the wing, pylon, and rotor systems to achieve aircraft aeroelastic stability. Indeed, ...
ver más
|
|
|
|
|
|
|
Linghua Dong and Qiyu Li
Whirl flutter of a tiltrotor aircraft is a complex aeroelastic phenomenon and it can result in catastrophic consequences. The deflection of an aileron mounted on a wing has the potential to solve this fatal problem. Whirl flutter suppression using an act...
ver más
|
|
|
|
|
|
|
Pengtao Shi, Feng Liu, Yingsong Gu and Zhichun Yang
A flight test platform is designed to conduct an experimental study on the body freedom flutter of a BWB flying wing, and a flight test is performed by using the proposed platform. A finite element model of structural dynamics is built, and unsteady aero...
ver más
|
|
|
|
|
|
|
Matthias Schulze, Jens Neumann and Thomas Klimmek
The purpose of this paper is to investigate the influence of the engine position and mass as well as the pylon stiffness on the aeroelastic stability of a long-range wide-body transport aircraft. As reference configuration, DLR?s (German Aerospace Center...
ver más
|
|
|
|
|
|
|
Fabio Rizzo
The work described in this paper investigated, by calculating critical flutter speed, the aeroelastic response of suspended pedestrian bridges made of a laminated wood structure and hemp cables and compared them to bridges with a steel structure and harm...
ver más
|
|
|
|