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19 April 2024 |
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Introducing Enzo, an AMR Cosmology Application | | Brian W. O’Shea
; Greg Bryan
; James Bordner
; Michael L. Norman
; Tom Abel
; Robert Harkness
; Alexei Kritsuk
; | | Date: |
2 Mar 2004 | | Subject: | astro-ph | | Abstract: | In this paper we introduce Enzo, a 3D MPI-parallel Eulerian block-structured adaptive mesh refinement cosmology code. Enzo is designed to simulate cosmological structure formation, but can also be used to simulate a wide range of astrophysical situations. Enzo solves dark matter N-body dynamics using the particle-mesh technique. The Poisson equation is solved using a combination of fast fourier transform (on a periodic root grid) and multigrid techniques (on non-periodic subgrids). Euler’s equations of hydrodynamics are solved using a modified version of the piecewise parabolic method. Several additional physics packages are implemented in the code, including several varieties of radiative cooling, a metagalactic ultraviolet background, and prescriptions for star formation and feedback. We also show results illustrating properties of the adaptive mesh portion of the code. Enzo is publicly available and can be downloaded at http://cosmos.ucsd.edu/enzo/ . | | Source: | arXiv, astro-ph/0403044 | | Services: | Forum | Review | PDF | Favorites | |
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