Re: [AMBER] The influence of parameters in md.in when restart a MD (from rst file)

From: windy <chxp_moon.163.com>
Date: Fri, 17 Apr 2015 17:51:53 +0800 (CST)

Thanks for you reply , I got it





在2015年04月15 22时30分, "Daniel Roe"<daniel.r.roe.gmail.com>写道:

Hi,

On Wed, Apr 15, 2015 at 8:05 AM, windy <chxp_moon.163.com> wrote:
> I used to restart a md trajectory from md.rst file, but how the right parameter setting?

irest=1: Restart the simulation, reading coordinates and velocities
from a previously saved restart file.
ntx=5: Coordinates and velocities will be read from either a NetCDF or
a formatted (ASCII) coordinate file.

> We know that md.rst file contain velocity messages, Then if I Set ig = -1, is the trajectory started using the rst file velocity messages or begain a trajectory by give it a random force? Anyone can confirm that?

If irest=1/ntx=5 the velocities from the restart file are used, period.

Hope this helps,

-Dan

>
> Then, are there any other parameters can ensure the consistence of MD trajectory ?
>
> Thanks for you answers.
>
>
>
>
>
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--
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Daniel R. Roe, PhD
Department of Medicinal Chemistry
University of Utah
30 South 2000 East, Room 307
Salt Lake City, UT 84112-5820
http://home.chpc.utah.edu/~cheatham/
(801) 587-9652
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Received on Fri Apr 17 2015 - 03:00:02 PDT
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