Sorry I did not know how to deal with the fact that I posted my question with a wrong topic.
Thank you for your answer. But I do not really understand what you mean. My topology contains those things like
bond, angle and dihedral terms:
[ bonds ]
;ai aj bondTyp n k
1 2 8 1 1
2 3 8 2 1
[ angles ]
; ai aj ak angleTyp n k
1 2 3 8 1 1
4 5 6 8 1 1
[ dihedrals ]
; ai aj ak al dihedralTyp n k
1 7 10 13 8 0 1
52 55 58 4 8 0 1
;ai aj bondTyp n k
1 2 8 1 1
2 3 8 2 1
[ angles ]
; ai aj ak angleTyp n k
1 2 3 8 1 1
4 5 6 8 1 1
[ dihedrals ]
; ai aj ak al dihedralTyp n k
1 7 10 13 8 0 1
52 55 58 4 8 0 1
but the gmx energy options to chose are only the common ones like ... 6 Potential 7 Kinetic-En. 8 Total-Energy ...
and furthermore this:
LJ-SR:P_1-P_1
Coul-SR:P_1-P_1
which are the LJ/coulomb short range of my energy group P_1.
But it is not possible to calculate the bonded energy between the specific bond ai and aj. Is it possible with any of the gromacs tools to
visualise the potential engergy of specific bond types?
The potential energy of my system grows further until the system crashes. Considering the simulation until it stops shows that there might be
a problem with the bonded potential and therefore I wanted to compute this particular potential energy.
Thank you,
Liz
Gesendet: Montag, 07. September 2015 um 18:37 Uhr
Von: "Justin Lemkul" <jalem...@vt.edu>
An: gmx-us...@gromacs.org
Betreff: Re: [gmx-users] tabulated potential - problem
Von: "Justin Lemkul" <jalem...@vt.edu>
An: gmx-us...@gromacs.org
Betreff: Re: [gmx-users] tabulated potential - problem
On 9/7/15 12:14 PM, Liz Bell wrote:
> Dear all,
> Is there a possibility to plot the intramolecular energy terms?
> 3. of "Diagnosing an Unstable System" of the page
> http://www.gromacs.org/Documentation/Terminology/Blowing_Up
> sounds as if this is possible. Gmx energy only shows the interaction energys of
> the energy groups but not of the energy terms like
> angle or dihedrals....
> Any idea?
Internal terms are always printed to the .edr file, irrespective of energygrps,
because internal terms are not decomposed. If they aren't showing up in the
list of options, that means there are no internals in the topology.
-Justin
--
==================================================
Justin A. Lemkul, Ph.D.
Ruth L. Kirschstein NRSA Postdoctoral Fellow
Department of Pharmaceutical Sciences
School of Pharmacy
Health Sciences Facility II, Room 629
University of Maryland, Baltimore
20 Penn St.
Baltimore, MD 21201
jalem...@outerbanks.umaryland.edu | (410) 706-7441
http://mackerell.umaryland.edu/~jalemkul
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