# Density-PDFs and Lagrangian statistics of highly compressible turbulence

@article{Beetz2008DensityPDFsAL, title={Density-PDFs and Lagrangian statistics of highly compressible turbulence}, author={Christoph Beetz and Ch. Schwarz and J{\"u}rgen Dreher and Rainer Grauer}, journal={Physics Letters A}, year={2008}, volume={372}, pages={3037-3041} }

## 20 Citations

The Density Probability Distribution in Compressible Isothermal Turbulence: Solenoidal versus Compressive Forcing

- Physics
- 2008

The probability density function (PDF) of the gas density in turbulent supersonic flows is investigated with high-resolution numerical simulations. In a systematic study, we compare the density…

THE TWO STATES OF STAR-FORMING CLOUDS

- Physics
- 2012

We examine the effects of self-gravity and magnetic fields on supersonic turbulence in isothermal molecular clouds with high-resolution simulations and adaptive mesh refinement. These simulations use…

Comparing the statistics of interstellar turbulence in simulations and observations - Solenoidal versus compressive turbulence forcing

- Physics, Environmental Science
- 2009

Context. Molecular clouds (MCs) exhibit supersonic turbulent velocity and density fluctuations on virtually all scales observed by modern telescopes. The origin and structural characteristics of this…

WENO interpolation for Lagrangian particles in highly compressible flow regimes

- Computer ScienceJ. Comput. Phys.
- 2020

THE COLUMN DENSITY VARIANCE IN TURBULENT INTERSTELLAR MEDIA: A FRACTAL MODEL APPROACH

- Physics
- 2012

Fractional Brownian motion structures are used to investigate the dependency of column density variance (σ2ln N) in the turbulent interstellar medium on the variance of three-dimensional density…

The density variance-mach number relation in supersonic, isothermal turbulence

- Physics
- 2010

We examine the relation between the density variance and the mean-square Mach number in supersonic, isothermal turbulence, assumed in several recent analytic models of the star formation process.…

Fluctuations of thermodynamic variables in stationary compressible turbulence

- Physics, Environmental ScienceJournal of Fluid Mechanics
- 2013

Abstract A large database of new direct numerical simulations of forced compressible turbulence on up to $204{8}^{3} $ grids, and a range of Reynolds ( ${R}_{\lambda } $ ) and turbulent Mach (…

On the probability distribution function of the mass surface density of molecular clouds. I

- Physics
- 2014

The probability distribution function (PDF) of the mass surface density of molecular clouds provides essential information about the structure of molecular cloud gas and condensed structures out of…

MASS AND MAGNETIC DISTRIBUTIONS IN SELF-GRAVITATING SUPER-ALFVÉNIC TURBULENCE WITH ADAPTIVE MESH REFINEMENT

- Physics
- 2010

In this work, we present the mass and magnetic distributions found in a recent adaptive mesh refinement magnetohydrodynamic simulation of supersonic, super-Alfvénic, self-gravitating turbulence.…

Theory of the Star Formation Rate

- PhysicsProceedings of the International Astronomical Union
- 2010

Abstract This work presents a new physical model of the star formation rate (SFR), tested with a large set of numerical simulations of driven, supersonic, self-gravitating, magneto-hydrodynamic (MHD)…

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