Thanks for your reply. In my way, I just want to restart the job at special
point (not the end of the MD run). So I need the .DM, .XV (easy to get it)
and .MD file to restart it. So how do I get the .DM and .MD file at special
time point? Thanks

Ting

2015-02-02 2:52 GMT-06:00 Chih-Chien Wang <[email protected]>:

>  According to the webpage, it seems to me that MD file would only have
> the coordinate and velocity of atoms. And since .MD is unformatted, one
> might consider to use fortran/C to convert the MD file. Is velocity very
> important in this case? If not, there are much easier ways to get around
> with only atomic coordinates.
>
> Chih-Chien Wang
> Research Assistance
> Institute of Atomic and Molecular Science,
> Academia Sinica, Taipei, Taiwan
> [email protected]
>
> ----- Original Message -----
> *From:* Ting Zheng <[email protected]>
> *To:* [email protected]
> *Sent:* Sunday, February 01, 2015 4:29 AM
> *Subject:* [SIESTA-L] restarting a job
>
>   Dear siesta users,
>
> I have a problem with restarting a job. As known to all, we need .XV, .DM,
> .MD files to restart a siesta MD job. It seems that the .MD file seems to
> have all the messages during the whole Molecular dynamics procedure since
> the size of that file just increasing all the time. But know I have a
> special problem that I have to restart the job from a point which is not
> the final one. Let me free my question as an example.
>
> If I have conducted a molecular dynamics job that lasted 1000 steps. After
> analyzing the data, I want to rerun the job from s special point, say
> step=500.
>
> I can make the special XV file from the out file, but how should I make
> the special MD file which start at step=500?
>
> Thanks
> Ting
>
>

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