The boundary element method in acoustics: A survey

S Kirkup - Applied Sciences, 2019 - mdpi.com
The boundary element method (BEM) in the context of acoustics or Helmholtz problems is
reviewed in this paper. The basis of the BEM is initially developed for Laplace's equation …

Dynamic modeling and control for tilt-rotor UAV based on 3D flow field transient CFD

H Wang, W Sun, C Zhao, S Zhang, J Han - Drones, 2022 - mdpi.com
The tilt-rotor unmanned aerial vehicle (TRUAV) is characterized by both multi-rotor vertical
takeoff or landing and fixed-wing long-duration flight. Not only the structure of TRUAV is …

[HTML][HTML] Computational engineering analysis of external geometrical modifications on MQ-1 unmanned combat aerial vehicle

P Bagul, KW JENKINS, L KÖNÖZSY - Chinese Journal of Aeronautics, 2020 - Elsevier
This paper focuses on the effects of external geometrical modifications on the aerodynamic
characteristics of the MQ-1 predator Unmanned Combat Aerial Vehicle (UCAV) using …

[HTML][HTML] Airfoil Lift Coefficient Optimization Using Genetic Algorithm and IGP Parameterization: Volume 1

ME Tejeda-del-Cueto, MA Flores-Alfaro… - Aerospace, 2023 - mdpi.com
The objective of this study is to develop a genetic algorithm that uses the IGP
parameterization to increase the lift coefficient (CL) of three airfoils to be used on wings of …

A Computational Investigation of the Hover Mechanism of an Innovated Disc-Shaped VTOL UAV

SS Ahmed Snikdha, SH Chen - Drones, 2023 - mdpi.com
Inventive approaches are constantly being revealed in the field of vertical take-off and
landing (VTOL) unmanned aerial vehicle (UAV) configuration concepts and designs. To …

Aerodynamic Analysis of Hybrid Drone

S Krishnaraj, RS Kumar, AG Krishnan… - IOP Conference …, 2021 - iopscience.iop.org
Abstract Drones are Unmanned Aerial Vehicles (UAV's) or Remotely Piloted Vehicles
(RPV's) whose application ranges from photography to defence. There are two major …

Analytical identification of the unmanned aerial vehicles' surfaces for the implementation at a 3D printer

T Sheyko, K Maksymenko-Sheyko… - Восточно …, 2019 - irbis-nbuv.gov.ua
Drones (unmanned aerial vehicles) are becoming increasingly popular all over the world
every day. This is due to a series of advantages over manned aircraft, namely, absence of …

Validation of a numerical fluid flow analysis for a helicopter tail rotor blade using a subsonic wind tunnel

AD Voicu, A Hadăr, D Vlăsceanu - Macromolecular Symposia, 2020 - Wiley Online Library
In the study of the aerodynamic load applied by the air on the rotating helicopter blade, it is
important to know that the values obtained from the numerical analysis are as close to reality …

[PDF][PDF] Drag Reduction of Separate Lift Thrust (SLT) Vertical Take-Off and Land (VTOL) Components

Z Sahwee, MH Asri, NLM Kamal, S SA… - Def. S&T Tech …, 2021 - researchgate.net
Vertical take-off and land (VTOL) is a new technology in the unmanned aerial vehicle (UAV)
field. Separate lift and thrust (SLT) is identified as the most simplistic design of VTOL UAVs …

Design and Optimization of Tandem Wing Aircraft

M Rudresh, SS Rajan, SJ Muthiya, T Nikhil, N Ganguli… - 2024 - sae.org
A tandem aircraft configuration has two wings placed one behind the other longitudinally,
with no dedicated horizontal stabilizer. Since there are two wings, high lift is obtained but …