Historical development and use of CFD for separated flow simulations relevant to military aircraft

A Rizzi, JM Luckring - Aerospace Science and Technology, 2021 - Elsevier
Separated flows often set aerodynamic limits for an aircraft flight envelope, and many of
these flows remain difficult to predict with Computational Fluid Dynamics. This paper reviews …

An exploration of wind stress calculation techniques in hurricane storm surge modeling

KM Bryant, M Akbar - Journal of Marine Science and Engineering, 2016 - mdpi.com
As hurricanes continue to threaten coastal communities, accurate storm surge forecasting
remains a global priority. Achieving a reliable storm surge prediction necessitates accurate …

Buffet-onset constraint formulation for aerodynamic shape optimization

GKW Kenway, JRRA Martins - AIAA Journal, 2017 - arc.aiaa.org
High-fidelity computational modeling and optimization of aircraft configurations have the
potential to enable engineers to create more efficient designs that require fewer unforeseen …

Generation of mars helicopter rotor model for comprehensive analyses

WJF Koning, W Johnson, BG Allan - 2018 - ntrs.nasa.gov
The present research is aimed at providing a performance model for the Mars Helicopter
(MH), to understand the complexity of the flow, and identify future regions of improvement …

General approach to lifting-line theory, applied to wings with sweep

JT Reid, DF Hunsaker - Journal of Aircraft, 2021 - arc.aiaa.org
Implementations of lifting-line theory predict the lift of a finite wing using a sheet of semi-
infinite vortices extending from a vortex filament placed along the locus of aerodynamic …

Laminar vortex dynamics around forward-swept wings

K Zhang, K Taira - Physical Review Fluids, 2022 - APS
Forward-swept wings offer unique advantages in the aerodynamic performance of air
vehicles. However, the low-Reynolds-number characteristics of such wings have not been …

Effect of nozzle types on the laser cutting performance for 60-mm-thick stainless steel

SY Oh, JS Shin, TS Kim, H Park, L Lee… - Optics & Laser …, 2019 - Elsevier
The laser cutting of 60-mm-thick stainless steel using a 6-kW fiber laser was performed to
investigate the effect of the geometric nozzle configuration on the operating tolerance of the …

Technology challenges of stealth unmanned combat aerial vehicles

E Sepulveda, H Smith - The Aeronautical Journal, 2017 - cambridge.org
The ever-changing battlefield environment, as well as the emergence of global command
and control architectures currently used by armed forces around the globe, requires the use …

Numerical analyses of a reference wing for combination of hybrid laminar flow control and variable camber

MM Jentys, T Effing, C Breitsamter, E Stumpf - CEAS Aeronautical Journal, 2022 - Springer
The objective of the LuFo VI-1 project CATeW (Coupled Aerodynamic Technologies for
Aircraft Wings) consists in multifidelity analyses to assess the potential for aerodynamic …

Underwater laser cutting of thick stainless steel blocks using single and dual nozzles

SY Oh, JS Shin, S Park, TS Kim, H Park, L Lee… - Optics & Laser …, 2021 - Elsevier
Laser cutting was performed using a 6-kW fiber laser with two different nozzle configurations
to extend the permissible cutting thickness of steel blocks in a water environment. The first …