Iterative maneuver optimization in a transverse gust encounter

X Xu, A Gementzopoulos, G Sedky, AR Jones… - AIAA Journal, 2023 - arc.aiaa.org
This paper presents a framework based on either iterative simulation or iterative
experimentation for constructing an optimal, open-loop maneuver to regulate the …

[HTML][HTML] The configuration effect of flapping foils for energy harvesting

M Zheng, Y Bai - Physics of Fluids, 2022 - pubs.aip.org
The configuration of multiple flapping foils is studied via numerical simulations. We
comprehensively consider the effects of the streamwise distance, vertical spacing, and …

Design of optimal wing maneuvers in a transverse gust encounter through iterated simulation or experiment

X Xu, A Gementzopoulos, G Sedky, AR Jones… - … and Computational Fluid …, 2023 - Springer
Wing–gust encounters cause harmful lift transients that can be mitigated through
maneuvering of the wing. This paper presents a method to generate an open-loop (ie …

Leading-edge-vortex tailoring on unsteady airfoils using an inverse aerodynamic approach

AV Suresh Babu, S Narsipur, M Bryant… - Physics of …, 2022 - pubs.aip.org
In this paper, we present an approach to obtain a desired leading-edge vortex (LEV)
shedding pattern from unsteady airfoils through the execution of suitable motion kinematics …

Pitch–Plunge Equivalence in Dynamic Stall of Ramp Motion Airfoils

R Miotto, W Wolf, D Gaitonde, M Visbal - AIAA Journal, 2023 - arc.aiaa.org
Large-eddy simulations (LES) are employed to investigate the pitch–plunge equivalence of
an SD7003 airfoil undergoing constant ramp motions at Reynolds number R e= 6× 10 4. The …

Lift tailoring on unsteady airfoils with leading-edge vortex shedding using an inverse aerodynamic approach

AV Suresh Babu, S Narsipur, A Gopalarathnam - Physics of Fluids, 2024 - pubs.aip.org
In this paper, we present a physics-informed approach to tailor the lift profile of an unsteady
airfoil through the execution of an appropriate maneuver. In previous research, a low-order …

Nonlinear geometric decomposition of airfoils into the thickness and camber contributions

GLS Torres, FD Marques - Meccanica, 2024 - Springer
In the thin airfoil theory, the camber line and the thickness distribution of general airfoils are
mainly extracted by a linear combination of the upper and lower surfaces, giving rise to …

Optimal pitching in a transverse gust encounter using a modified goman-khrabrov model

X Xu, FD Lagor - AIAA Aviation 2021 Forum, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-2937. vid This paper presents a
framework for calculating an optimal pitch maneuver to regulate lift in a transverse gust …

Simplified iterative maneuver optimization in a transverse gust encounter

X Xu, FD Lagor - AIAA SCITECH 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-2478. vid Wing-gust encounters
cause harmful lift transients that can be mitigated through maneuvering of the wing. This …

Modeling unsteady loads on wind-turbine blade sections from periodic structural oscillations and impinging gusts

NJ Wei, OB Shende - Wind Energy Science Discussions, 2023 - wes.copernicus.org
Many traditional methods for wind turbine design and analysis assume quasi-steady
aerodynamics, but atmospheric flows are inherently unsteady and modern turbine blades …