Control and suppression of vortex shedding from a slightly rough circular cylinder by a discrete vortex method

MA Oliveira, PG Moraes, CL Andrade, AM Bimbato… - Energies, 2020 - mdpi.com
A discrete vortex method is implemented with a hybrid control technique of vortex shedding
to solve the problem of the two-dimensional flow past a slightly rough circular cylinder in the …

Numerical experiments of the flow around a bluff body with and without roughness model near a moving wall

LA Alcântara Pereira, MA de Oliveira… - Journal of the Brazilian …, 2020 - Springer
Numerical tests at high Reynolds number flows were taken on circular cylinder placed near
and parallel to a moving ground. A moving ground running at the same speed as the free …

Discrete vortex method simulations of the aerodynamic admittance in bridge aerodynamics

JT Rasmussen, MM Hejlesen, A Larsen… - Journal of Wind …, 2010 - Elsevier
We present a novel method for the simulation of the aerodynamic admittance in bluff body
aerodynamics. The method introduces a model for describing oncoming turbulence in two …

Dynamic behavior of flow around rows of square cylinders kept in staggered arrangement

D Chatterjee, G Biswas - Journal of Wind Engineering and Industrial …, 2015 - Elsevier
A two-dimensional numerical study is carried out to understand the vortex dynamics behind
two rows of square cylinders arranged in a staggered fashion in an unbounded medium and …

[HTML][HTML] Study of the vortex shedding flow around a body near a moving ground

AM Bimbato, LAA Pereira, MH Hirata - Journal of Wind Engineering and …, 2011 - Elsevier
The two-dimensional viscous incompressible fluid flow around a circular cylinder near a
moving ground is numerically simulated. In a moving ground one eliminates the influence of …

Performance of modified gravitational water vortex turbine through CFD for hydro power generation on micro-scale

MA Zamora-Juárez, VH Guerra-Cobián… - Journal of the Brazilian …, 2022 - Springer
Gravitational water vortex turbine takes advantage of the formation of an artificially induced
gravitational vortex in a free surface tank, known as basin, for the generation of electrical …

A Lagrangian roughness model integrated with the vortex method for drag coefficient estimation and flow control investigations around circular cylinder for a wide …

MA de Oliveira, LA Alcântara Pereira - Journal of the Brazilian Society of …, 2022 - Springer
This paper describes the development of a Lagrangian roughness model to simulate the
effect of surface roughness in two-dimensional flow on the proximity of the cylinder, at high …

Subgrid-scale modeling of turbulent flow around circular cylinder by mesh-free vortex method

AA Mustto, GCR Bodstein - Engineering applications of …, 2011 - Taylor & Francis
This paper proposes a numerical model for the two-dimensional, incompressible, unsteady,
turbulent flow applied to an impulsively started flow around a circular cylinder in the …

Suppression of vortex shedding on a bluff body

AM Bimbato, LAA Pereira, MH Hirata - Journal of Wind Engineering and …, 2013 - Elsevier
Previous experimental observations suggest that a moving ground can be numerically
simulated avoiding vorticity generation on it. In this research line the current paper presents …

Interactions of a counter-rotating vortex pair at multiple offsets

KJ Forster, TJ Barber, S Diasinos, G Doig - Experimental Thermal and Fluid …, 2017 - Elsevier
The interactions between two streamwise vortices were investigated by wind tunnel testing
of two NACA0012 vanes at various lateral offsets. One vane was spaced 10 chord lengths …