Commit 37e55a82 authored by Ulf R. Pedersen's avatar Ulf R. Pedersen Committed by GitHub
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Create fix_rhok.txt

parent 67e48264
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doc/src/fix_rhok.txt

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"LAMMPS WWW Site"_lws - "LAMMPS Documentation"_ld - "LAMMPS Commands"_lc :c

:link(lws,http://lammps.sandia.gov)
:link(ld,Manual.html)
:link(lc,Section_commands.html#comm)

:line

fix rhok command :h3

fix ID group-ID rhok nx ny nz k a

ID, group-ID are documented in "fix"_fix.html command
nx,ny,nz = k-vektor of collective density field
k = spring constant of bias potential
a = anchor point of bias potential

[Examples:]

fix bias all rhok 16 0 0 4.0 16.0
fix bias Bs rhok 12 12 0 10.0 32.0

[Description:]

The fix applies an force to atoms 
:c,image(Eqs/fix_rhok.jpg)
as described in "(Pedersen)"_#Pedersen.

[Restrictions:]

This fix is part of the MISC package.  It is only enabled if LAMMPS
was built with that package.  See the "Making
LAMMPS"_Section_start.html#start_3 section for more info.

[Default:] none

:line

:link(Pedersen)
[(Pedersen)] Pedersen, J. Chem. Phys., 139, 104102 (2013).