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The world's largest turbulence simulations

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arxiv 1607.00630 v1 pith:OLS3R57M submitted 2016-07-03 astro-ph.SR astro-ph.GAastro-ph.IMphysics.comp-phphysics.flu-dyn

The world's largest turbulence simulations

classification astro-ph.SR astro-ph.GAastro-ph.IMphysics.comp-phphysics.flu-dyn
keywords simulationturbulencefirstworldanalysisapplicationsastrophysicalcell
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Understanding turbulence is critical for a wide range of terrestrial and astrophysical applications. Here we present first results of the world's highest-resolution simulation of turbulence ever done. The current simulation has a grid resolution of 10048^3 points and was performed on 65536 compute cores on SuperMUC at the Leibniz Supercomputing Centre (LRZ). We present a scaling test of our modified version of the FLASH code, which updates the hydrodynamical equations in less than 3 micro seconds per cell per time step. A first look at the column density structure of the 10048^3 simulation is presented and a detailed analysis is provided in a forthcoming paper.

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