[gmx-users] David, a question about your shell water model.

David van der Spoel spoel at xray.bmc.uu.se
Tue Apr 26 11:03:49 CEST 2005


On Tue, 2005-04-26 at 16:33 +0800, xieyh at hkusua.hku.hk wrote:
> Dear David:
> 
> After reading your paper "Molecular Dynamics Simulations of water with Novel
> Shell-Model potentials", I am a little not sure about the following thing. 
> 
> To a shell particle, a balance of force can be written as: k.r=q.E. However,is
> the electric field E the summation of external and internal field? If yes, in a
> box of water, does the interal field also play an important role in e.g.
> deciding the dipole moment?
External field is due to intermolecular interactions. There are no
intramolecular interactions as you can see from the topology file. The
dipole moment is a result due to the electric field.
> Thanks.
> 
> 
> Xie Yinghong
> Hong Kong Univ.
> 
> 
> 
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-- 
David.
________________________________________________________________________
David van der Spoel, PhD, Assoc. Prof., Molecular Biophysics group,
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596,          75124 Uppsala, Sweden
phone:  46 18 471 4205          fax: 46 18 511 755
spoel at xray.bmc.uu.se    spoel at gromacs.org   http://xray.bmc.uu.se/~spoel
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