SVV-LES and Active Control of Flow Around the Square Back Ahmed Body

Peres, Noele; Pasquetti, Richard

doi:10.1007/978-3-319-14448-1_10

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Micro-jet Modelling1

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2015

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“…Because the scale of the micro-jet is generally of the order of the mm, whereas the one of the bluff body is typically of the m, a modelling of the micro-jet is required. In two previous papers [19,20], we proposed to model the micro-jets by enforcing the velocity at some grid-points located in the immediate vicinity of the micro-jet aperture. This was done using a penalization technique.…”

Section: Micro-jet Modellingmentioning

confidence: 99%

A penalty model of synthetic micro-jet actuator with application to the control of wake flows

Pasquetti

Peres

2015

Computers & Fluids

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International audienceA simple model of synthetic (zero-net mass-flux) micro-jet is proposed and implemented in a large-eddysimulation spectral solver of the incompressible Navier–Stokes equations. Essentially, it is simplyrequired to introduce a penalty like term in the momentum equation, with a variable penalty coefficientthat culminates during the expulsion phase. Examples of applications are considered for the control ofseveral turbulent wake flows, the backward facing step, the D-shaped body and the square backAhmed body

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Section: Micro-jet Modellingmentioning

confidence: 99%