A review of vortex methods and their applications: From creation to recent advances

C Mimeau, I Mortazavi - Fluids, 2021 - mdpi.com
This review paper presents an overview of Vortex Methods for flow simulation and their
different sub-approaches, from their creation to the present. Particle methods distinguish …

High-fidelity modeling of multirotor aerodynamic interactions for aircraft design

EJ Alvarez, A Ning - AIAA Journal, 2020 - arc.aiaa.org
Electric aircraft technology has enabled the use of multiple rotors in novel concepts for urban
air mobility. However, multirotor configurations introduce strong aerodynamic and …

Wakes of rotorcraft in advancing flight: A large-eddy simulation study

DG Caprace, P Chatelain, G Winckelmans - Physics of Fluids, 2020 - pubs.aip.org
We perform the large-eddy simulation of the flow past a helicopter rotor to support the
investigation of rotorcraft wake characteristics and decay mechanisms. A hybrid Lagrangian …

Effects of rotor-airframe interaction on the aeromechanics and wake of a quadcopter in forward flight

DG Caprace, A Ning, P Chatelain… - Aerospace Science and …, 2022 - Elsevier
From small drones to large Urban Air Mobility vehicles, the market of vertical take-off and
landing (VTOL) aircraft is currently booming. Modern VTOL designs feature a variety of …

Stable vortex particle method formulation for meshless large-eddy simulation

EJ Alvarez, A Ning - AIAA Journal, 2024 - arc.aiaa.org
A novel formulation of the vortex particle method (VPM) is developed for large-eddy
simulation (LES) in a meshless scheme that is numerically stable. A new set of VPM …

Comparison of sliding and overset mesh techniques in the simulation of a vertical axis turbine for hydrokinetic applications

OD Lopez Mejia, OE Mejia, KM Escorcia, F Suarez… - Processes, 2021 - mdpi.com
The application of Computational Fluid Dynamics (CFD) to energy-related problems has
increased in the last decades in both renewable and conventional energy conversion …

An immersed lifting and dragging line model for the vortex particle-mesh method

DG Caprace, G Winckelmans, P Chatelain - … and Computational Fluid …, 2020 - Springer
The numerical study of the wake of full-scale slender devices such as aircraft wings and
wind turbine blades requires high-fidelity large eddy simulation tools. The broad spectrum of …

Reviving the vortex particle method: A stable formulation for meshless large eddy simulation

EJ Alvarez, A Ning - arXiv preprint arXiv:2206.03658, 2022 - arxiv.org
The vortex particle method (VPM) is a mesh-free approach to computational fluid dynamics
(CFD) solving the Navier-Stokes equations in their velocity-vorticity form. The VPM uses a …

A reinforcement‐learning approach for individual pitch control

M Coquelet, L Bricteux, M Moens, P Chatelain - Wind Energy, 2022 - Wiley Online Library
Individual pitch control has shown great capability of alleviating the oscillating loads
experienced by wind turbine blades due to wind shear, atmospheric turbulence, yaw …

Three-dimensional modeling and investigation of the flow around a troposkein vertical axis wind turbine at different operating conditions

N Franchina, O Kouaissah, G Persico, M Savini - Renewable Energy, 2022 - Elsevier
Vertical axis wind turbines of troposkein architecture are among the most attractive
technologies for harvesting wind energy off-shore. In this paper, a high-fidelity …