Computations of equilibrium states in two|dimensional turbulence ...

Computations of equilibrium states in two-dimensional turbulence ...

A statistical equilibrium theory in two-dimensional turbulence is used to study the emergence of coherent structures. Macroscopic states are described by a ...

Two-dimensional turbulence: a physicist approach - ScienceDirect

Equilibrium states of two-dimensional turbulence. As we discussed above ... Computation of the energy spectrum in homogeneous two-dimensional turbulence ...

Two-dimensional turbulence - Physics Courses

Equilibrium states for discrete vortices . 3.4. Pressure and entropy . 4. Spectral transport of energy and enstrophy . 4.1. Relaxation toward ...

Statistical mechanics of two-dimensional turbulence - UT Physics

1980 Computational Techniques for Fluid Dynamics. ... 1999 Statistical equilibrium measures and coherent states in two-dimensional turbulence.

2D Homogeneous Turbulence

... equilibrium turbulence, where a statistically stationary state ... Computational simulations have also been made of equilibrium 2D turbulence (cf., decaying.

Statistical Equilibrium Computations of Coherent Structures in ...

A numerical method is developed to treat the statistical equilibrium model of coherent structures in two-dimensional turbulence. In this model the vorticity ...

Partition functions and equilibrium measures in two‐dimensional ...

Finite‐temperature equilibrium measures may appear if a simple representation of vortex stretching is added to the system, in agreement with ...

Turbulence Modeling Effects on the Prediction of Equilibrium States ...

The velocity field models used include a two-equation closure, a Reynolds-stress closure assuming two ... Calculations show that the Epsilon(0)-equation ...

Equilibrium Parameters for Two-Dimensional Turbulent Wakes

The parameters characterizing a plane turbulent wake in its equilibrium state of development are determined through careful experiment and analysis.

Statistical mechanics of two-dimensional turbulence

seen to be stable self-organized states that persist in a strongly turbulent environment ... 1991 Statistical equilibrium states for two-dimensional flows. J.

Equilibrium states of two-dimensional turbulence: An experimental ...

Equilibrium states of vortex arrays, excited by electromagnetic forces, are studied experimentally in thin, stably stratified, fluid layers.

The dynamics of two-dimensional turbulence excited at two scales ...

We compare the case of one to two forcing scales for steady state turbulence to show that the addition of two forcing scales leads to the onset ...

Computations of equilibrium and non-equilibrium turbulent channel ...

The nested-LES approach has been applied to computation of equilibrium turbulent channel flow at $Re_{{\it\tau}}\approx 1000$, 2000, 5000, 10 000, and non- ...

TWO-DIMENSIONAL TURBULENCE

4.1 Spectrally truncated equilibrium states . ... contrast for 2D turbulence we can have a variety of states, depending on β and α, which can be indirectly ...

Turbulence Modeling Effects on the Prediction of Equilibrium States ...

shear flows were investigated. The velocity field models used include a two-equation closure, a Reynolds- stress closure assuming.

Computation of eigenfrequencies for equilibrium models including ...

(1)where δ denotes the Lagrangian perturbation, pturb is the turbulent pressure, pth is the thermal pressure, and ptot( =pth + pturb) is the total pressure. The ...

Statistical mechanics of two-dimensional and geophysical flows

After a brief presentation of the 2D Euler and quasi-geostrophic equations, the specificity of two-dimensional and geophysical turbulence is emphasized. The ...

The theory of large deviations: from Boltzmann's 1877 calculation to ...

... calculation, to derive variational formulas that describe the equilibrium ... equilibrium measures and coherent states in two-dimensional turbulence, Comm.

Turbulent Relaxation to Equilibrium in a Two-Dimensional Quantum ...

We experimentally study the emergence of microcanonical equilibrium states in the turbulent relaxation dynamics of a two-dimensional chiral ...

Quasi-two-dimensional Turbulence - arXiv

It is described how the transition from three-dimensional to two-dimensional flows takes place, the different phases of turbulence met and the ...