Large-scale multidisciplinary design optimization of an evtol aircraft using comprehensive analysis
View Video Presentation: https://doi. org/10.2514/6.2023-0146. vid This paper presents a
framework under development for enabling large-scale multi-fidelity modeling and …
framework under development for enabling large-scale multi-fidelity modeling and …
Multi-fidelity optimization of a quiet propeller based on deep deterministic policy gradient and transfer learning
X Geng, P Liu, T Hu, Q Qu, J Dai, C Lyu, Y Ge… - Aerospace Science and …, 2023 - Elsevier
In a propeller blade optimization, both aerodynamic and aeroacoustic performance were
considered simultaneously. A multi-fidelity sampling scheme was adopted by Transfer …
considered simultaneously. A multi-fidelity sampling scheme was adopted by Transfer …
[HTML][HTML] Efficient low-fidelity aeroacoustic permanence calculation of propellers
A noise footprint prediction framework for propeller-driven aircraft which couples an
aerodynamic model and several aeroacoustic models is presented in this study. The …
aerodynamic model and several aeroacoustic models is presented in this study. The …
Real-time prediction framework for frequency-modulated multirotor noise
J Ko, J Jeong, H Cho, S Lee - Physics of Fluids, 2022 - pubs.aip.org
A comprehensive multirotor noise assessment framework is developed to predict the noise
of rotational-speed-controlled rotor configurations in real-time. The key objectives are to …
of rotational-speed-controlled rotor configurations in real-time. The key objectives are to …
Applicability of low-fidelity tonal and broadband noise models on small-scaled rotors
View Video Presentation: https://doi. org/10.2514/6.2023-1547. vid This paper presents the
application of steady and unsteady frequency-domain propeller tonal noise and empirical …
application of steady and unsteady frequency-domain propeller tonal noise and empirical …
[HTML][HTML] Computational aeroacoustic study of co-rotating rotors in hover
This paper aims to investigate, by means of Lattice-Boltzmann simulations, the flow-field and
far-field noise of two co-axial co-rotating rotors operating at 3000 rpm in hover conditions …
far-field noise of two co-axial co-rotating rotors operating at 3000 rpm in hover conditions …
Large-scale multidisciplinary design optimization of the NASA lift-plus-cruise concept using a novel aircraft design framework
The conceptual design of eVTOL aircraft is a high-dimensional optimization problem that
involves large numbers of continuous design parameters. Therefore, eVTOL design method …
involves large numbers of continuous design parameters. Therefore, eVTOL design method …
Multidisciplinary optimization design of low-noise propellers
D Xue, Q Yan, Z Li, K Wei - Aerospace, 2023 - mdpi.com
In this paper, a multidisciplinary optimization design method and its verification of low-noise
aircraft propellers considering aerodynamics, noise, and structural strength were carried out …
aircraft propellers considering aerodynamics, noise, and structural strength were carried out …
Aerodynamic and aeroacoustic characteristics of an isolated propeller at positive and negative thrust
View Video Presentation: https://doi. org/10.2514/6.2021-2187. vid Regenerative propellers
offer many potential benefits such as improved maneuverability, reduced landing run, and …
offer many potential benefits such as improved maneuverability, reduced landing run, and …
Predicting tonal noise of full-electric propeller-driven aircraft in outdoor environments using low-order models
F Yunus, B von den Hoff, M Snellen - 30th AIAA/CEAS Aeroacoustics …, 2024 - arc.aiaa.org
This paper presents a low-order method for assessing tonal noise from full-electric propeller-
driven aircraft during outdoor operations. A high-fidelity numerical simulation and several …
driven aircraft during outdoor operations. A high-fidelity numerical simulation and several …