Yao Yao wrote:
Hi Justin,

thanks,

that is just initial value, no fluctuation over time.


Right. The volume is constant, therefore the initial values of density and volume are always the same.

-Justin

yao
------------------------------------------------------------------------
*From:* Justin A. Lemkul <[email protected]>
*To:* Discussion list for GROMACS users <[email protected]>
*Sent:* Thursday, October 13, 2011 10:24 AM
*Subject:* Re: [gmx-users] where are Density and Volume?



Yao Yao wrote:
 > Hi Justin,
 >
 > It is NVE. Is there a consistent way I can know my D and V?
 >

Then you've got the same case as NVT (for these values, anyway) - volume and density are fixed at whatever value they started at. editconf should have printed this somewhere along the way.

-Justin

 > Thanks,
 >
 > Yao
 >
 > ------------------------------------------------------------------------
 > *From:* Justin A. Lemkul <[email protected] <mailto:[email protected]>>
> *To:* Yao Yao <[email protected] <mailto:[email protected]>>; Discussion list for GROMACS users <[email protected] <mailto:[email protected]>>
 > *Sent:* Thursday, October 13, 2011 9:58 AM
 > *Subject:* Re: [gmx-users] where are Density and Volume?
 >
 >
 >
 > Yao Yao wrote:
 >  > Hi,
 >  >
 >  > I wanna get Density and Volume of my system after simulation.
> > I found in tutorials by Justin and kerrigan?, that g_energy -f *.edr -o should work, > > but I do not find in my version 4.5.1 and 4.5.4. That is kind of weird.
 >  >
 >
> Was it an NVT simulation? If so, those terms are not written because they are, by definition, constant.
 >
 > -Justin
 >
 > -- ========================================
 >
 > Justin A. Lemkul
 > Ph.D. Candidate
 > ICTAS Doctoral Scholar
 > MILES-IGERT Trainee
 > Department of Biochemistry
 > Virginia Tech
 > Blacksburg, VA
 > jalemkul[at]vt.edu | (540) 231-9080
 > http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin
 >
 > ========================================
 >
 >

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

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
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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Blacksburg, VA
 > jalemkul[at]vt.edu | (540) 231-9080
 > http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin
 >
 > ========================================
 >
 >

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

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
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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--
========================================

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
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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