Unsteady lifting line theory using the Wagner function for the aerodynamic and aeroelastic modeling of 3D wings

J Boutet, G Dimitriadis - Aerospace, 2018 - mdpi.com
A method is presented to model the incompressible, attached, unsteady lift and pitching
moment acting on a thin three-dimensional wing in the time domain. The model is based on …

Aerodynamics of a flapping wing as a function of altitude: New insights into the flight strategy of migratory birds

F Beaumont, S Murer, F Bogard, G Polidori - Physics of Fluids, 2021 - pubs.aip.org
Migratory birds have developed remarkable physiological and biomechanical adaptive
capacities in order to fly at very high altitudes and benefit from favorable wind. Numerous …

A modal frequency-domain generalised force matrix for the unsteady Vortex Lattice method

G Dimitriadis, NF Giannelis, GA Vio - Journal of Fluids and Structures, 2018 - Elsevier
Abstract The unsteady Vortex Lattice method is becoming an increasingly popular
aerodynamic modelling method for incompressible aeroelastic problems, such as flexible …

Vortex lattice simulations of attached and separated flows around flapping wings

T Lambert, N Abdul Razak, G Dimitriadis - Aerospace, 2017 - mdpi.com
Flapping flight is an increasingly popular area of research, with applications to micro-
unmanned air vehicles and animal flight biomechanics. Fast, but accurate methods for …

Aeroservoelastic simulations for horizontal axis wind turbines

CS Prasad, QZ Chen, O Bruls… - Proceedings of the …, 2017 - journals.sagepub.com
This paper describes the development of a complete methodology for the aeroservoelastic
modelling of horizontal axis wind turbines at the conceptual design stage. The methodology …

Dual optimization of contact-aided compliant mechanisms for passive dynamic shape change

JP Calogero, MI Frecker, Z Hasnain, JE Hubbard Jr - AIAA journal, 2018 - arc.aiaa.org
A dual optimization method for optimizing contact-aided compliant mechanism design
parameters and their spatial distribution in a dynamic ornithopter wing structure for …

Simulation of flapping wings subjected to gusty inflow

MM De, JS Mathur, S Vengadesan - The Aeronautical Journal, 2019 - cambridge.org
Ornithopters and entomopters should be insensitive to the gusty environment during outdoor
operations. Hence, it becomes imperative to understand their behaviour under the influence …

Aerodynamic Interaction of Migratory Birds in Gliding Flight

F Beaumont, S Murer, F Bogard, G Polidori - Fluids, 2023 - mdpi.com
(1) Background: Many studies suggest that migratory bird groups fly in a V-formation to
improve their aerodynamic efficiency, the goal being to reduce their energy expenditure to …

Unsteady lifting line theory using the Wagner function

J Boutet, G Dimitriadis - 55th AIAA Aerospace Sciences Meeting …, 2017 - orbi.uliege.be
A method is presented to model the incompressible, attached, unsteady lift and moment
acting on a thin three-dimensional wing in the time domain. The model is based on the …

Optimization of spatially distributed contact-aided compliant mechanisms in a dynamic structure

J Calogero, M Frecker… - Smart Materials …, 2017 - asmedigitalcollection.asme.org
The optimal stiffnesses and spatial locations of contact-aided compliant mechanisms in a
dynamic flapping wing structure are found using a numerical dynamics model and multi …