Dynamic sensitivity-based finite element model updating for nonlinear structures using time-domain responses

Z Cao, Q Fei, D Jiang, D Zhang, H Jin, R Zhu - International Journal of …, 2020 - Elsevier
To obtain the numerical model for predicting the nonlinear dynamic responses with high
accuracy, a dynamic sensitivity-based model updating approach by using the time-domain …

Modeling, design, and flight testing of three flutter controllers for a flying-wing drone

DK Schmidt, BP Danowsky, A Kotikalpudi, J Theis… - Journal of Aircraft, 2020 - arc.aiaa.org
Three flutter-suppression designs for a flexible flying-wing research drone are discussed,
along with the modeling and flight-test results. The drone, with wing span of 10 feet, aspect …

Active flutter mitigation testing on the FLEXOP demonstrator aircraft

B Takarics, B Patartics, T Luspay, B Vanek… - AIAA Scitech 2020 …, 2020 - arc.aiaa.org
The paper details the research and corresponding implementation and testing steps of the
FLEXOP demonstrator aircraft. Within the EU funded project an unmanned demonstrator …

Damage and damping identification in a structure through novel damped updating method

S Sehgal, H Kumar - Iranian Journal of Science and Technology …, 2021 - Springer
In this paper, damages as well as damping effects present in a structure have been
identified through the use of a two-stage damped updating method. The structure was …

Flight-dynamics and flutter analysis and control of an MDAO-designed flying-wing research drone

DK Schmidt, BP Danowsky, PJ Seiler… - AIAA scitech 2019 …, 2019 - arc.aiaa.org
The flight dynamics, flutter, and control design for two flexible flying-wing research drones
are discussed. The drones, with wing spans of 10 to 14 feet, aspect ratios of over 10, and …

mAEWing2: Initial Flight Test and System Identification of a Flexible UAV

CD Regan, A Kotikalpudi, DK Schmidt… - AIAA Scitech 2020 …, 2020 - arc.aiaa.org
The flight testing, system identification, and model refinement of a flexible, flying wing
aircraft, the mAEWing2, has been accomplished with an emphasis on a research-through …

Finite element model updating for very flexible wings

B Sharqi, CES Cesnik - Journal of Aircraft, 2023 - arc.aiaa.org
As aircraft wings become more flexible as a result of searching for more fuel efficient and
higher performance solutions, structural nonlinearities become more apparent. Geometric …

The development of a flight test platform to study the body freedom flutter of BWB flying wings

P Shi, F Liu, Y Gu, Z Yang - Aerospace, 2021 - mdpi.com
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 …

Model updating and aeroelastic correlation of a scaled wind tunnel model for active flutter suppression test

D Di Leone, F Lo Balbo, A De Gaspari, S Ricci - Aerospace, 2021 - mdpi.com
This article presents a modal correlation and update carried out on an aeroelastic wind
tunnel demonstrator representing a conventional passenger transport aircraft. The aim of …

Flight Dynamics Model of a Small Flexible Aircraft

A Gupta - 2019 - search.proquest.com
The presence of aeroservoelastic effects in the flight dynamics of flexible aircraft presents
significant challenges in terms of performance degradation and instability. In order to …