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Updated Lagrangian explicit finite difference code for modeling a finitely deforming elasto-visco-plastic solid in 3D.
In SNAC, nodal velocities satisfying a weak-form of the momentum balance are obtained as the nodal solution. SNAC shares a mathematical foundation, and thus major advantages, with a standard finite element method (FEM). However, it departs from the FEM by not making explicit use of shape functions.
In version 1.2, the base algorithm for remeshing has been changed and, as a result, remeshing in SNAC has become more stable. Now SNAC can run for an extended period of time. On the users' end, there is no visible change; input files for the previous version can be used without modification.
The SNAC user manual is available online.
Visit the SNAC Wiki page for additional support with building, using, or modifying SNAC.
SNAC Publications List
Browse the CIG Long-Term Tectonics Mailing List Archive to find known issues or to troubleshoot common problems, or E-mail the CIG Long-Term Tectonics Mailing List with details of your problem or suggestion.
If you are interested in getting the development version of this code from the CIG repository, use the following git command:
git clone --recursive https://github.com/geodynamics/snac.git
You can also browse the history of modifications in the Git repository.
Issue/Bug Tracker on Github
Browse and/or submit new issues at our Github Issues Tracker.
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