Quantitative analysis of the kinematics and induced aerodynamic loading of individual vortices in vortex-dominated flows: a computation and data-driven approach
A physics-based data-driven computational framework for the quantitative analysis of vortex
kinematics and vortex-induced loads in vortex-dominated problems is presented. Such flows …
kinematics and vortex-induced loads in vortex-dominated problems is presented. Such flows …
Significance of the strain-dominated region around a vortex on induced aerodynamic loads
The ability of vortices to induce aerodynamic loads on proximal surfaces plays a significant
role in a wide variety of flows. However, most studies of vortex-induced effects primarily …
role in a wide variety of flows. However, most studies of vortex-induced effects primarily …
Innovative grid-based vorticity–velocity solver for analysis of vorticity-dominated flows
GR Whitehouse, AH Boschitsch - AIAA Journal, 2015 - arc.aiaa.org
Unsteady vorticity-dominated flows are prevalent in a wide variety of engineering
applications and are particularly challenging to predict efficiently. Perhaps in no other …
applications and are particularly challenging to predict efficiently. Perhaps in no other …
Data-assimilated low-order vortex modeling of separated flows
D Darakananda, AFC da Silva, T Colonius… - Physical Review …, 2018 - APS
Vortex models have been used for decades as computationally efficient tools to investigate
unsteady aerodynamics. However, their utility for separated flows—particularly when such …
unsteady aerodynamics. However, their utility for separated flows—particularly when such …
Vortex methods with spatially varying cores
GH Cottet, P Koumoutsakos, MLO Salihi - Journal of Computational …, 2000 - Elsevier
The accuracy of vortex methods employing smooth vortex particles/blobs is determined by
the blob size, which can be viewed as a mollifier of the vorticity field. For computational …
the blob size, which can be viewed as a mollifier of the vorticity field. For computational …
A versatile taxonomy of low-dimensional vortex models for unsteady aerodynamics
D Darakananda, JD Eldredge - Journal of Fluid Mechanics, 2019 - cambridge.org
Inviscid vortex models have been demonstrated to capture the essential physics of
massively separated flows past aerodynamic surfaces, but they become computationally …
massively separated flows past aerodynamic surfaces, but they become computationally …
[HTML][HTML] Viscous extension of vortex methods for unsteady aerodynamics
The Kutta condition has been extensively used to determine aerodynamic loads of steady
and unsteady flows over airfoils. Nevertheless, the application of this condition to unsteady …
and unsteady flows over airfoils. Nevertheless, the application of this condition to unsteady …
Code-to-code benchmark for simulation tools based on the unsteady vortex-lattice method
ML Verstraete, LR Ceballos, C Hente… - Journal of Aerospace …, 2023 - arc.aiaa.org
Reliable aerodynamic and aeroelastic simulations of advanced aeronautical/mechanical
systems require us to predict flow-induced forces as accurately as possible. Nowadays …
systems require us to predict flow-induced forces as accurately as possible. Nowadays …
Modeling rotor wakes with a hybrid OVERFLOW-vortex method on a GPU cluster
M Stock, A Gharakhani, C Stone - 28th AIAA applied aerodynamics …, 2010 - arc.aiaa.org
The vortex core shed from rotorcraft blades maintains coherency—and thus dynamic
relevance—many blade turns after its creation. This presents a challenge to traditional …
relevance—many blade turns after its creation. This presents a challenge to traditional …
Computational vorticity capturing-Application to helicopter rotor flows
J Steinhoff, W Yonghu, T Mersch… - 30th Aerospace Sciences …, 1992 - arc.aiaa.org
ABSTRACT A new method is presented for computing flows with strong, concentrated
vorticity, such as helicopter rotor flows. The method utilizes only a blade-fixed Euleriaii …
vorticity, such as helicopter rotor flows. The method utilizes only a blade-fixed Euleriaii …