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 …
simulation (LES) in a meshless scheme that is numerically stable. A new set of VPM …
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 …
(CFD) solving the Navier-Stokes equations in their velocity-vorticity form. The VPM uses a …
Characteristics of the flow around four cylinders of various shapes
Characteristics of flow around four cylinders of various shapes in the square configuration
were numerically investigated using a vortex-in-cell method. The flow patterns drastically …
were numerically investigated using a vortex-in-cell method. The flow patterns drastically …
Construction and evolution of knotted vortex tubes in incompressible Schrödinger flow
We propose a theoretical method for constructing an initial two-component wave function
that can be transformed into a knotted velocity field with finite kinetic energy and enstrophy …
that can be transformed into a knotted velocity field with finite kinetic energy and enstrophy …
The three-fluid generalized Ohm's law: A theoretical study
The two-fluid generalized Ohm's law (GOL) is based on the assumption that plasma is
composed of only protons and electrons. The three-fluid GOL is obtained theoretically for the …
composed of only protons and electrons. The three-fluid GOL is obtained theoretically for the …
Characteristics of vortex evolution around a cylindrical oscillating water column device: An experimental study
The utilization of oscillating water column (OWC) converters with existing hydraulic/coastal
structures has emerged as a crucial approach for the development of economically viable …
structures has emerged as a crucial approach for the development of economically viable …
Turbulence cascade model for viscous vortex ring-tube reconnection
The reconnection of a vortex ring and a vortex tube in a viscous fluid with the effects of two
vortex core sizes ( σ 0= 0.12 r 0 and 0.24 r 0, where r 0 are initial ring radius) and three …
vortex core sizes ( σ 0= 0.12 r 0 and 0.24 r 0, where r 0 are initial ring radius) and three …
Generation of streamwise helical vortex loops via successive reconnections in early pipe transition
We extend the vortex-surface field (VSF), a Lagrangian-based structure identification
method, to investigate the vortex reconnection in temporally evolving transitional pipe flows …
method, to investigate the vortex reconnection in temporally evolving transitional pipe flows …
Turbulent energy cascade associated with viscous reconnection of two vortex rings
VL Nguyen, TT Phan, VD Duong, NTP Le - Physics of Fluids, 2021 - pubs.aip.org
Collision of two vortex rings (VR) initially arranged in axis-offset and orthogonal
configurations at Reynolds numbers ( R e Γ) in the range of 5000–200 000 was …
configurations at Reynolds numbers ( R e Γ) in the range of 5000–200 000 was …
Vortex-in-cell simulation of the flow and performance of a Savonius hydraulic turbine with S-shaped blades
K Takamure, H Wang, T Uchiyama, S Iio… - Journal of Renewable …, 2021 - pubs.aip.org
The volume penalization vortex-in-cell (VP-VIC) method, which combines the vortex-in-cell
and vortex penalization methods, is a kind of immersed boundary method that has the …
and vortex penalization methods, is a kind of immersed boundary method that has the …