...Engin Metin Kaplan Purpose In large-scale aerospace integration, prime contractors frequently procure externally mounted subsystems from tier suppliers for major platforms. Accurate aeroelastic assessment requires the subsystem’s Outer Mold Line ( OML ) and key dynamic properties, specifically...

...Pamela Bugała; Andriy Payenskyy Purpose This paper aims to present an efficient method for static aeroelastic wing optimization suitable for early-stage aircraft design. The focus is on integrating structural stiffness and aerodynamic performance to improve the glide ratio, using Particle Swarm...

...Jan Šplíchal; Jan Navrátil; Jaroslav Juracka Purpose This paper aims to present a comprehensive approach to evaluating aircraft resistance to aeroelastic phenomena, emphasizing the challenges of accurately determining the stiffness of structural components. It focuses on the development...

...Javad Masrour; Seyed Hossein Sadati; Morteza Shahravi Purpose This study aims to simulate gust effects on the aeroelastic behavior of a flexible aircraft. The dynamic response of the system for different discreet gust excitations is obtained using numerical simulations. Design/methodology...

...Rohollah Dehghani Firouz-Abadi; Mohammad Reza Borhan Panah Purpose The purpose of this paper is to analyze the stability of aeroelastic systems using a novel reduced order aeroelastic model. Design/methodology/approach The proposed aeroelastic model is a reduced-order model constructed based...

... 2021 © Emerald Publishing Limited 2021 Emerald Publishing Limited Licensed re-use rights only Ground vibration testing (GVT) Normal modes Aeroelasticity Experimental modal analysis The aeroelastic phenomena may be divided according to the triangle scheme of aeroelasticity...

...Franciszek Dul Purpose The purpose of the paper is to analyze the active suppression of the aeroelastic vibrations of ailerons with strongly nonlinear characteristics by neural network/reinforcement learning (NN/RL) control method and comparing it with the classic robust methods of suppression...

...Franciszek Dul Purpose The purpose of this paper is to analyze the active suppression of the nonlinear aeroelastic vibrations of ailerons caused by freeplay by robust H_∞ and linear quadratic Gauss (LQG) methods of control in case of incomplete measurements of the state of the system...

...Promio Charles F.; Raja Samikkannu; Niranjan K. Sura; Shanwaz Mulla Purpose Ground vibration testing (GVT) results can be used as system parameters for predicting flutter, which is essential for aeroelastic clearance. This paper aims to compute GVT-based flutter in time domain, using unsteady air...

...Marcello Righi Purpose The quality of aeroelastic predictions strongly depends on the quality of aerodynamic predictions. At the boundary of a typical flight envelope, special flow conditions may arise, which challenge the conventional Reynolds-averaged Navier–Stokes (RANS) approach beyond...

... et al. (1998) analyzed the aeroelasticity and flight dynamics of high altitude, long endurance (HALE) aircraft. They modeled a very flexible wing as an exact intrinsic beam model with Peter’s finite-state aerodynamics. Cesnik and his co-workers developed one methodology in which a strain-based...

... and the stability of the rotor in different configurations were studied. An aeroelastic multibody simulation was used to verify the influence of flexibility on the rotor response. Findings The analyses suggested that cycloidal rotors can increase the efficiency of a helicopter at high velocities while...

... parameters from ground vibration tests has been developed. Achuthan C. Pankaj can be contacted at: acpankaj@nal.res.in © Emerald Group Publishing Limited 2013 Aircraft Vibration Flutter Ground vibration tests Modal parameters Aeroelasticity Aircraft certification Finite element...

...Emanuele Piccione; Giovanni Bernardini; Massimo Gennaretti Purpose The purpose of this paper is to present the development and application of a numerical formulation for the structural dynamics and aeroelastic analysis of new generation helicopter and tiltrotor rotor blades...

...A.S. Roknizadeh; A.S. Nobari; M. Mohagheghi; H. Shahverdi Purpose The purpose of this paper is to analyze the stability of aeroelastic systems using aeroelastic frequency response function (FRF). Design/methodology/approach The proposed technique determines the instability boundary...