Re: AMBER: How to specify user defined force fields or its parameters in amber??

From: Gobind Singh Bisht <gsbisht1.gmail.com>
Date: Tue, 28 Nov 2006 22:10:53 +0530

hi,
   well actuallly what i want to do is drop all the terms except for lennard
jones for some of the atoms in the system. is thr a similar short cut way of
achieving that??
thanx a lot
cheers

On 11/28/06, Gustavo Seabra <gustavo.seabra.gmail.com> wrote:
>
> On 11/28/06, Gobind Singh Bisht <gsbisht1.gmail.com> wrote:
> > isn't it possible that u make Kr=0 for all the bonds or few bonds in my
> system.
> ^^^^^^^
>
> For that, all yoou need is to look for the section in the parmtop file
> with the header:
>
> %FLAG BOND_FORCE_CONSTANT
>
> and then set the values you want to zero, no programming needed. (Make
> sure you don't change the formatting)
>
> Gustavo.

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Received on Wed Nov 29 2006 - 06:07:50 PST
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