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Collected MEAM/C additions #1798
This PR adds a number of features to MEAM/C that have been tested for a while now:
Sebastian Hütter (OvGU)
By submitting this pull request, I agree, that my contribution will be included in LAMMPS and redistributed under either the GNU General Public License version 2 (GPL v2) or the GNU Lesser General Public License version 2.1 (LGPL v2.1).
The fm_exp change may cause results to change - if that happens, there were unphysical conditions involved and the results were wrong anyway.
The adapt scaling is modeled after
Post Submission Checklist
ch4: methane-like structure only for binary system. dia3: diamond structure with primary 1NN and secondary 3NN inteation tri: H2O-like structure that has an angle zig: zigzag structure with a uniform angle lin: linear structure (180 degree angle) ** tri, zig, and lin reference structures require angle information (in degree) such as the following. theta = 109.5