On 2/14/18 1:06 PM, kordza...@aut.ac.ir wrote:
Thank you very much for your answer
I get it now, before your answer I run system with -maxwarn 1, I saw trajectory
in vmd , my drug molecule break in middle of run and then corrected, is it
No, that's called periodic boundary conditions.
has it occured because using maxwran?
is vmd an appropriate tool for detect trajectory?
You can use whatever visualization software you like, but you should use
trjconv first to get a consistent, intact representation.
I alaways after run, check trajectory with vmd to sure in time of simulation
all structure were complete.
VMD is good for visualizing and some analysis, but it's not going to
tell you anything about the physical validity of your simulation or the
methods you used. That's what grompp was warning you about in the first
place. If the simulation finished, there was likely no problem; the
warning is intended to tell you that things *may* be unstable with
Parrinello-Rahman if you are simultaneously generating velocities.
I will do your advise, and I will run with Benedsen probably it will solve my
The "broken" molecule is not a problem and will not be magically solved
by using a different barostat.
Justin A. Lemkul, Ph.D.
Virginia Tech Department of Biochemistry
303 Engel Hall
340 West Campus Dr.
Blacksburg, VA 24061
jalem...@vt.edu | (540) 231-3129
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