Numerical experiments on the intermediate asymptotics of shear-free turbulent transport and diffusion

D Tordella, M Iovieno - Journal of Fluid Mechanics, 2006 - cambridge.org
A numerical experiment on the interaction between different decaying homogeneous and
isotropic turbulence is described. In the absence of kinetic energy production, the …

Variable scale filtered Navier–Stokes equations: A new procedure to deal with the associated commutation error

M Iovieno, D Tordella - Physics of Fluids, 2003 - pubs.aip.org
A simple procedure to approximate the noncommutation terms that arise whenever it is
necessary to use a variable scale filtering of the motion equations and to compensate …

A new large-eddy simulation near-wall treatment

M Iovieno, G Passoni, D Tordella - Physics of Fluids, 2004 - pubs.aip.org
Two different types of instantaneous wall boundary conditions have been proposed for
resolved large scale simulations that extend inside the viscous sublayer. These conditions …

[HTML][HTML] Mesoscale elements description of turbulent flow

AA Burluka - Applied Mathematical Modelling, 2020 - Elsevier
This work proposes to describe a turbulent flow using a set of mesoscale elements, that is
fluid elements of small, but finite, size the properties of which are representative of larger …

Cloud turbulence microphysics at interfaces: a DNS model with phase change and droplet interaction

M GOLSHAN KOVIJI - 2022 - politesi.polimi.it
Clouds play a major role in meteorology and climate, due to their fundamental role in
maintaining Earth's energy budget, by regulating the amount of solar energy that reaches …

The dependence on the energy ratio of the shear-free interaction between two isotropic turbulences

D Tordella, M Iovieno - Direct and Large-Eddy Simulation VI, 2006 - Springer
In the absence of kinetic energy production, the influence of the initial conditions on
turbulent transport can be characterized by the presence of an energy gradient or by the …

[PDF][PDF] " Eppur ruota": modelling the ocean as a fluid with spin

PGLP Mana - osf.io
"Eppur ruota": modelling the ocean as a fluid with spin Page 1 Open Science Framework doi:10.17605/osf.io/8pwc7
Eppur ruota: modelling the ocean as a fluid with spin PGL Porta Mana <piero.mana ntnu.no> …

Numerical Pattern of 3D Tornado Rise with Account for Mirror Asymmetry

AY Gubar, VN Nikolaevskiy - Global Journal of Earth Science …, 2014 - avantipublisher.com
Authors are returning to the basic concepts of turbulence–homogeneity and symmetry
principles. It is shown that the homogeneity in the sense of constant mean velocity gradient …

Вихри и торнадо в мезомасштабной теории турбулентности: трехмерная численная модель возникновения торнадо

ВН НИКОЛАЕВСКИЙ, АЮ ГУБАРЬ - Геофизические исследования, 2014 - elibrary.ru
Концепция однородной турбулентности распространяется на случай постоянства
градиента средней скорости, что применимо к стратифицированной атмосфере и …

[PDF][PDF] Small scale localization in the simulation of a turbulent jet at M= 5

D Tordella, M Iovieno - Atti del XVII Congresso dell'Associazione …, 2005 - academia.edu
It is proposed a methodology for the automatic selective insertion-elimination of subgrid
scale stresses in the numerical simulation of transitional laminar-turbulent flows in both …