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Directory Sites
N-Body/Particle Simulation Methods
An extensive online tutorial with examples and code references.
www.amara.com
[open source - Unix] An extendible stellar dynamics toolbox; has various programs to create, integrate, analyze and visualize N-body and SPH-like systems. In addition there are various tools to operate on images, tables and orbits, including FITS files to export/import to/from other astronomical data reduction packages.
bima.astro.umd.edu
A large list of commercial, public-domain and shareware Computational Fluid Dynamics codes.
icemcfd.com
[open source - multiplatform] Direct N-body algorithms.
www.ast.cam.ac.uk
Barnes & Hut Treecode Algorithm
[open source - multiplatform] A guide to a tree code algorithm implementation, used for astronomical N-body simulations.
www.ifa.hawaii.edu
[open source - multiplatform] Visualization package to capture and display Gadget N-body simulations.
www.geocities.com
ORSA - Orbit Reconstruction, Simulation and Analysis
ORSA is a C++ framework for the development of algorithms and programs oriented to the simulation and analysis of the orbital evolution of bodies in space.
orsa.sourceforge.net
[open source - Windows] Various programs for stellar astrophysics. Includes CHANDRA stellar structure software for collapsed objects including rotating white dwarfs and neutron stars, and STARCAL for nuclear astrophysics and the stellar structure of main sequence stars with supernova forecasting.
ray-green.tripod.com
Enzo is an adaptive mesh refinement (AMR), grid-based hybrid code (hydro + N-Body) which is designed to do simulations of cosmological structure formation.
cosmos.ucsd.edu
The Art of Computational Science
An online `socratic book' pedagogically describing the building of a N-body simulation code for stellar systems. Software (in Ruby) is included.
www.artcompsci.org
The Gadget-2 code is an SPH simulation code designed for cosmological simulations but can be used for a wide variety of astrophysical hydrodynamics simulations with self-gravity.
www.mpa-garching.mpg.de
A TIPSY file viewer with MPI capabilities
[Open source - Linux] "Hubble in a bottle!" is visualization software for N-body simulations, which can be run in parallel using MPI for visualizing very large simulation results. Simulation output must be in TIPSY format.
hubble.sourceforge.net
PHOEBE (PHysics Of Eclipsing BinariEs)
PHOEBE is an infrastructure for the numerical modeling and analysis of eclipsing binary stars, using a variety of models.
www.fiz.uni-lj.si
Cloudy is an extensive, well-established, large-scale spectral synthesis code designed to simulate fully physical conditions within an astronomical plasma and then predict the emitted spectrum. The web page contains links to papers published with cloudy, the most recent version of the software itself, and a discussion board.
www.nublado.org
CMBEASY -- CMB calculations with Graphical User Interface
CMBEASY is a C++ code with GUI for calculation of CMB power spectra and other density fluctuation evolution data for a given cosmology.
www.cmbeasy.org