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deterministic transport utilities
License: MIT License
This project forked from meverson/libdetran
deterministic transport utilities
License: MIT License
README - libdetran ------------------ Detran is a set of simple utilities for deterministic neutral particle transport, mostly with a focus on easy algorithm development for reactor physics and other transport applications. Several aspects of the design are directly inspired by ORNL code Denovo, especially with respect to object-orientation. Current features: - Multigroup diffusion, discrete ordinates, and method of characteristics - Various built-in fixed source and eigenvalue solvers that can be extended via use of PETSc and SLEPc - Initial support for time-dependent transport with time varying sources and materials as well as support for arbitrary state-dependent materials for modeling feedback - Executable input via HDF5 or a somewhat limited text-based input - Full access via a SWIG-generated Python front end - Output to Silo for visualization in Visit or Paraview INSTALLATION ------------ The up-to-date source is available at github.com/robertsj/libdetran. If you are using a binary distribution, follow the relevant directions below. Windows Users ------------- The installer is essentially self-contained. Execute it and allow a short cut to be put in the menu. Two items are added "Detran" and a link to uninstall. "Detran" opens up a command window with the appropriate paths set for using either the executable (xdetran) or the Python libraries. Linux and OS X -------------- The tarball is a complete build. Simply do >>> cd /path/to/where/you/want/detran >>> cp /path/to/Detran-X.Y.Z-Arch.tar.gz . >>> tar -xf Detran-X.Y.Z-Arch.tar.gz Before you can use Detran, make sure to set the environment variables. On Linux, that means >>> export PATH=$PATH:/path/to/detran/bin >>> export LD_LIBRARY_PATH:$LD_LIBRARY_PATH:/path/to/detran/lib >>> export PYTHONPATH:/path/to/detran/python and on OS X, do the same but with DYLD_LIBRARY_PATH in place of LD_LIBRARY_PATH. Of course, to make these permanent, add the above lines to your .bash_profile (in Linux), .profile (in OS X), or some similar file. These are located in /home/yourname or /User/yourname.
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