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LAMMPS Documentation

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13 Apr 2017 version

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Version info:

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The LAMMPS “version” is the date when it was released, such as 1 May -2010. LAMMPS is updated continuously. Whenever we fix a bug or add a -feature, we release it immediately, and post a notice on this page of the WWW site. Every 2-4 months one of the incremental releases -is subjected to more thorough testing and labeled as a stable version.

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Each dated copy of LAMMPS contains all the -features and bug-fixes up to and including that version date. The -version date is printed to the screen and logfile every time you run -LAMMPS. It is also in the file src/version.h and in the LAMMPS -directory name created when you unpack a tarball, and at the top of -the first page of the manual (this page).

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  • If you browse the HTML doc pages on the LAMMPS WWW site, they always -describe the most current development version of LAMMPS.
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  • If you browse the HTML doc pages included in your tarball, they -describe the version you have.
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  • The PDF file on the WWW site or in the tarball is updated -about once per month. This is because it is large, and we don’t want -it to be part of every patch.
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  • There is also a Developer.pdf file in the doc -directory, which describes the internal structure and algorithms of -LAMMPS.
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LAMMPS stands for Large-scale Atomic/Molecular Massively Parallel -Simulator.

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LAMMPS is a classical molecular dynamics simulation code designed to -run efficiently on parallel computers. It was developed at Sandia -National Laboratories, a US Department of Energy facility, with -funding from the DOE. It is an open-source code, distributed freely -under the terms of the GNU Public License (GPL).

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The current core group of LAMMPS developers is at Sandia National -Labs and Temple University:

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  • Steve Plimpton, sjplimp at sandia.gov
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  • Aidan Thompson, athomps at sandia.gov
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  • Stan Moore, stamoor at sandia.gov
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  • Axel Kohlmeyer, akohlmey at gmail.com
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Past core developers include Paul Crozier, Ray Shan and Mark Stevens, -all at Sandia. The LAMMPS home page at -http://lammps.sandia.gov has more information -about the code and its uses. Interaction with external LAMMPS developers, -bug reports and feature requests are mainly coordinated through the -LAMMPS project on GitHub. -The lammps.org domain, currently hosting public continuous integration testing and precompiled Linux RPM and Windows installer packages is located -at Temple University and managed by Richard Berger, -richard.berger at temple.edu.

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The LAMMPS documentation is organized into the following sections. If -you find errors or omissions in this manual or have suggestions for -useful information to add, please send an email to the developers so -we can improve the LAMMPS documentation.

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Once you are familiar with LAMMPS, you may want to bookmark this page at Section_commands.html#comm since -it gives quick access to documentation for all LAMMPS commands.

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PDF file of the entire manual, generated by -htmldoc

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User Documentation

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Indices and tables

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