- Astro-sim.org
An open community for users and developers of astrophysical simulation codes. Includes news, free grid and particle codes, tools, libraries, data analysis and a forum.
http://astro-sim.org/
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- Cloudy & Associates
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.
http://www.nublado.org/
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- DUSTY -- Radiation transfer through dust
DUSTY calculates the emerging spectrum of radiation from some source viewed after processing by a dusty region. The original radiation is scattered, absorbed and reemitted by the dust, and the emerging processed spectrum often provides the only available information about the embedded object. DUSTY can handle both planar and centrally-heated spherical density distributions. The number of independent input model parameters is minimized by fully implementing the scaling properties of the radiative transfer problem, and the spatial temperature profile is found from radiative equilibrium at every point in the dusty region. DUSTY has built in optical properties for the most common types of astronomical dust and comes with a library for many other grains.
http://www.pa.uky.edu/~moshe/dusty/
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- EZ Stellar Evolution
EZ (Evolve ZAMS) Stellar Evolution tracks the evolution of new (Zero-Age Main Sequence) stars throughout the bulk of their lives (until an event which EZ does not model occurs, such as a Helium Flash or core crystallization). The code is clean and well documented. Links include a web interface to the code.
http://www.kitp.ucsb.edu/~paxton/EZ-intro.html
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- Grav-Sim
Grav-Sim is for astronomy and physics enthusiasts to conduct gravity simulations at home. It models a set of bodies gravitating under Newton's laws of motion.
http://www.grav-sim.com
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- NEMO
[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.
http://bima.astro.umd.edu/nemo/
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- Pluto
A free modular, Godunov-type code for astrophysical applications. It supports classical, relativistic and magneto fluid dynamics modules in cartesian and curvilinear coordinates in multiple space dimensions on either static or adaptive grids.
http://plutocode.to.astro.it/
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- Radex
A free computer program to calculate the strengths of atomic and molecular lines from interstellar clouds which are assumed to be homogeneous. Includes installation and running instructions and explains the output.
http://www.sron.rug.nl/%7evdtak/radex/
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- ZEUS-MP
ZEUS is a venerable astrophysical hydrodynamics and MHD code that has been used to investigate a wide variety of astrophysical problems. The latest version includes gas hydrodynamics, ideal MHD, implicit flux-limited radiation diffusion (FLD), self gravity, and multispecies advection.
http://lca.ucsd.edu/portal/software
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