Debian Astro Simulation packages

GEANT est un cadriciel pour la simulation de la traversée de particules subatomiques à travers la matière, par exemple, les détecteurs de particules. Pour plus de souplesse, les simulations de GEANT sont réalisées en liant du code en Fortran fourni par l’utilisateur avec la bibliothèque de GEANT, puis en actionnant l’exécutable qui en résulte.

Ce paquet fournit gxint, un script rendant cette étape de liaison plus commode.

• Debian Science Maintainers
• Lifeng Sun

• 3.21.14.dfsg-11 (jessie)
• 3.21.14.dfsg-11 (stretch)
• 3.21.14.dfsg-11 (buster)

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lang:fortran

field

physics

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The inhomog library calculates average cosmological expansion. This particular package contains an example front end program that uses the biscale_partition routines of the inhomog library, illustrating effective scale factor evolution in a universe with a T^3 spatial section that is divided into two complementary domains. The inhomog library provides Raychaudhuri integration of cosmological domain-wise average scale factor evolution using an analytical formula for kinematical backreaction Q_D evolution. The library routine lib/Omega_D_precalc.c is callable by RAMSES using ramses-scalav.

You may use this front-end program for command-line investigation of the role of virialisation as a potential replacement for dark energy (see Roukema 2017, arXiv:1706.06179).

• Roukema, B.F.: Replacing dark energy by silent virialisation. Astronomy and Astrophysics 610:A51 (2018) (eprint)

• Debian Astro Team
• Boud Roukema

• 0.1.9.2-1 (buster)
• 0.1.9.2-1 (bookworm)
• 0.1.9.2-1 (bullseye)
• 0.1.9.2-1 (trixie)
• 0.1.9.2-1 (sid)

• 1 regular users
• 3 recent
• 74 total installations (of 236029 submissions)

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mocassin is a fully 3D or 2D photoionisation and dust radiative transfer code which employs a Monte Carlo approach to the transfer of radiation through media of arbitrary geometry and density distribution. It was originally developed for the modelling of photoionised regions like HII regions and planetary nebulae and has since expanded and been applied to a variety of astrophysical problems, including modelling clumpy dusty supernova envelopes, star forming galaxies, protoplanetary disks and inner shell fluorence emission in the photospheres of stars and disk atmospheres. The code can deal with arbitrary Cartesian grids of variable resolution, it has successfully been used to model complex density fields from SPH calculations and can deal with ionising radiation extending from Lyman edge to the X-ray. The dust and gas microphysics is fully coupled both in the radiation transfer and in the thermal balance.

• B. Ercolano, M.J. Barlow, P.J. Storey and X.-W. Liu: MOCASSIN: a fully three-dimensional Monte Carlo photoionization code. Monthly Notices of the Royal Astronomical Society 340:1136-1152 (2003) (eprint)

• Debian Astronomy Team
• Roger Wesson

• 2.02.73-1 (buster)
• 2.02.73.2-1 (bullseye)
• 2.02.73.2-1 (bookworm)
• 2.02.73.2-1 (trixie)
• 2.02.73.2-1 (sid)
• 2.02.72-2 (stretch)
• 2.02.73.3 (upstream)

• 2 regular users
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• 91 total installations (of 236029 submissions)

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EinsteinPy is an open source pure Python package dedicated to problems arising in General Relativity and relativistic physics, such as goedesics plotting for schwarzschild space-time model, calculation of schwarzschild radius for any mass given, symbolic calculation of various functions related to GR such as christoffel symbols. Features like visualization of geodesics of curved black holes and 3D visualizations are some of the features which are planned. It is released under the MIT license.

• Debian Astronomy Team
• Ole Streicher

• 0.3.0-2 (bullseye)
• 0.4.0-3 (sid)
• 0.4.0-2 (bookworm)

• 5 regular users
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This (formerly SUPERSPHPLOT) is a visualisation tool for output from (astrophysical) simulations using the Smoothed Particle Hydrodynamics (SPH) method in one, two and three dimensions. It is written in Fortran 90 and can utilise the PGPLOT graphics subroutine library to do the actual plotting. It is based around a command-line menu structure but utilises the interactive capabilities of PGPLOT to manipulate data interactively in the plotting window.

• Price, D.J.: splash: An Interactive Visualisation Tool for Smoothed Particle Hydrodynamics Simulations. Publications of the Astronomical Society of Australia 24:159-173 (2007) (eprint)

• Debian Astro Team
• Phil Wyett

• 3.10.1-2 (trixie)
• 2.8.0-1 (buster)
• 2.6.0-2 (stretch)
• 2.5.0-1 (jessie)
• 2.10.1-1 (bullseye)
• 3.6.0-1 (bookworm)
• 3.10.1-2 (sid)
• 3.10.3 (upstream)

• 4 regular users
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Cloudy is an open source plasma simulation code that is designed to simulate conditions in a nonequilibrium gas, and predict its spectrum. The code incorporates physical processes from first principles, as much as possible. The goal is to simulate the ionization, level populations, molecular state, and thermal state, over all extremes of density and temperature. The approach of working from fundamental processes means that Cloudy can be applied to such diverse regions as the corona of a star, the intergalactic medium, or the accretion disk near the supermassive black hole in a luminous quasar.

• Debian Astronomy Team
• Roger Wesson

• 13.04-1 (VCS)

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DisPerSE stands for "Discrete Persistent Structures Extractor" and its main purpose is the automatic identification of persistent topological features such as peaks, voids, walls and in particular filamentary structures within sampled distributions in 2D, 3D, and possibly more...

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