vivek sharma wrote:
HI justin,
Thanks for reply. It is well understood that the energy minimization step will minimize energy, but what is the purpose of MD (after EM and PR)?
please reply

Again, please keep all Gromacs-related correspondence on the gmx-users list.

The purpose of MD? Integrating Newton's Laws of Motion across the contents of an atomic-scale system. As for what you want to do with it, that is up to you. Check the literature for what people are doing with MD if you are unsure (i.e., have a look at any recent issue of Biophysical Journal or any number of others).

-Justin


With Thanks,
Vivek

2008/8/27 Justin A. Lemkul <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>



    vivek sharma wrote:

        Hi Justin,
        I think my query is very basic regarding GROMACS, so I am
        mailing you individually instead of using mailing list.


    Basic or not, please keep all Gromacs-related correspondence on the
    gmx-users list.


        My query is ...
        How does gromacs proceed ?
        On what basis (parameters) it decides the next frame ?


    Read about the algorithm in the manual.


        and, what is the target of trajectory means where it is leading
        to ? is it energy minimization or something else.


    The target of the trajectory is whatever is of interest.  As for
    whether or not you can force that to happen...

    "Energy minimization," strictly speaking, is a preparatory step that
    attempts to remove bad contacts from the system.  In a sense, one
    can think of natural phenomena as seeking a global energy minimum,
    which is what we would like to see happen in many cases.

    -Justin



        I am from an engineering background.


        With Thanks,
        Vivek




-- ========================================

    Justin A. Lemkul
    Graduate Research Assistant
    Department of Biochemistry
    Virginia Tech
    Blacksburg, VA
    jalemkul[at]vt.edu <http://vt.edu> | (540) 231-9080
    http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

    ========================================



--
========================================

Justin A. Lemkul
Graduate Research Assistant
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

========================================
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