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Self-organization in Turbulent Molecular Clouds: Compressional versus Solenoidal Modes
Alexei G. Kritsuk, Sergey D. Ustyugov, Michael L. Norman +1
We use three-dimensional numerical simulations to study self-organization in supersonic turbulence in molecular clouds. Our numerical experiments describe decaying and driven turbu…
The Power Spectrum of Turbulence in NGC 1333: Outflows or Large-Scale Driving?
Paolo Padoan, Mika Juvela, Alexei G. Kritsuk +1
Is the turbulence in cluster-forming regions internally driven by stellar outflows or the consequence of a large-scale turbulent cascade? We address this question by studying the t…
Simulating Supersonic Turbulence in Magnetized Molecular Clouds
Alexei G. Kritsuk, Sergey D. Ustyugov, Michael L. Norman +1
We present results of large-scale three-dimensional simulations of weakly magnetized supersonic turbulence at grid resolutions up to 1024^3 cells. Our numerical experiments are car…
Turbulent Motions and Shocks Waves in Galaxy Clusters simulated with AMR
F. Vazza, G. Brunetti, A. Kritsuk +3
We have implemented an Adaptive Mesh Refinement criterion explicitly designed to increase spatial resolution around discontinuities in the velocity field in ENZO cosmological simul…
Piecewise Parabolic Method on a Local Stencil for Magnetized Supersonic Turbulence Simulation
Sergey D. Ustyugov, Mikhail V. Popov, Alexei G. Kritsuk +1
Stable, accurate, divergence-free simulation of magnetized supersonic turbulence is a severe test of numerical MHD schemes and has been surprisingly difficult to achieve due to the…
Simulations of Supersonic Turbulence in Molecular Clouds: Evidence for a New Universality
Alexei G. Kritsuk, Sergey D. Ustyugov, Michael L. Norman +1
We use three-dimensional simulations to study the statistics of supersonic turbulence in molecular clouds. Our numerical experiments describe driven turbulent flows with an isother…