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4ce38b3250c4efficient_neuronet

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			The files in this directory are a user-contributed package for LAMMPS.

			The person who created these files is Axel Kohlmeyer
			(akohlmey@cmm.chem.upenn.edu). Contact him directly if you have
			questions.

			This package implements a "fix smd" command which can be used in a
			LAMMPS input script. SMD stands for steered molecular dynamics.

			Here is what Axel said about the new fix:

			Please find attached a fix that I was asked to write for our
			"coarse-grainers". They need free energy profiles for their
			parametrization and this seems to work best. The code basically is a
			version of "fix spring" on steroids (constant velocity pulling with
			velocity set to zero should recover "fix spring"), but I found it
			cleaner to have it in a seprarate class since otherwise the result may
			become too convoluted for people that only want to use "fix spring".