Re: [gmx-users] Error: not enough memory

2016-03-21 Thread Nikhil Maroli
Hi, this is problem regarding g_mmpbsa your not provided required information such as Gromacs version and g_mmpbsa installation from source or binary ?! in common if you using Gromacs 5.1.1 install g_mmpbsa from binary package instead of compiling from source -- Gromacs Users mailing list * P

[gmx-users] GPU configuration suggestions

2016-03-21 Thread Nikhil Maroli
Dear all, we would like to purchase one GPU enabled workstation system for molecular dynamics work,we will be running mainly GROMACS, NAMD and CHARMM (older version which do not support GPU) i welcome suggestions regarding the below configurations kindly provide your valued suggestions Like re

[gmx-users] Error: not enough memory

2016-03-21 Thread Sun Iba
Dear Gromacs users I am doing an mm_pbsa analysis of my protein-ligand complex. I installed and it was nicely running on my workstation Z820. However, on a similar system, i installed using same steps but it is giving following error: *Not enough memory. Failed to calloc -1082130432 elements of

Re: [gmx-users] semi-permeable wall in gromacs

2016-03-21 Thread Justin Lemkul
On 3/21/16 1:29 PM, gozde ergin wrote: Ok this was a silly question. In g_energy command 5. one is flat-bottom posres force. Sorry. The output of g_energy is energy, not force. But the quantity is simple to calculate. If you have applied a flat-bottom restraint along z, then you just need

Re: [gmx-users] semi-permeable wall in gromacs

2016-03-21 Thread gozde ergin
Ok this was a silly question. In g_energy command 5. one is flat-bottom posres force. Sorry. > On 21 Mar 2016, at 17:26, gozde ergin wrote: > > Hey Justin, > > I am just wondering in order to estimate the osmotic pressure I need extract > the flat-bottom restraint force. (Force/Area = Pressur

Re: [gmx-users] semi-permeable wall in gromacs

2016-03-21 Thread gozde ergin
Hey Justin, I am just wondering in order to estimate the osmotic pressure I need extract the flat-bottom restraint force. (Force/Area = Pressure) Do you have any idea to how to extract this force? Thanks in advance > On 10 Mar 2016, at 15:58, Justin Lemkul wrote: > > > > On 3/10/16 4:44 A

[gmx-users] mail reg diple moment fluctuation

2016-03-21 Thread vidhya sankar
Dear Justin    I want to study the filctuation of dipole moment near surface of CNT surrounded by water I want to peculiarly choose water molecules covering certain distance . how to choose such water molecules? With high regardsS.Vidhyasankar -- Gromacs Users mailing list * Plea

Re: [gmx-users] lipid bilayer phase transition

2016-03-21 Thread Justin Lemkul
On 3/21/16 8:03 AM, xy21hb wrote: Hi Justin, Thanks for your quick reply. But I came across some paper about the topic, it seems that the simulation is not that just to change the temperature, http://scitation.aip.org/docserver/fulltext/aip/journal/jcp/112/10/1.481085.pdf?expires=1458561931&id

Re: [gmx-users] lipid bilayer phase transition

2016-03-21 Thread xy21hb
Hi Justin, Thanks for your quick reply. But I came across some paper about the topic, it seems that the simulation is not that just to change the temperature, http://scitation.aip.org/docserver/fulltext/aip/journal/jcp/112/10/1.481085.pdf?expires=1458561931&id=id&accname=2256636&checksum=B606E2B28

Re: [gmx-users] lipid bilayer phase transition

2016-03-21 Thread Justin Lemkul
On 3/21/16 7:12 AM, xy21hb wrote: Dear all, I am following the gromacs tutorial for lipid bilayer, http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin/gmx-tutorials/membrane_protein/06_equil.html and wondering how I could simulate the gel phase (not the phase transition from liquid phas

[gmx-users] lipid bilayer gel phase simulation

2016-03-21 Thread xy21hb
Dear all, I am following the gromacs tutorial for lipid bilayer, http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin/gmx-tutorials/membrane_protein/06_equil.html and wondering how I could simulate the gel phase (not the phase transition from liquid phase to gel phase) in this ca

[gmx-users] lipid bilayer phase transition

2016-03-21 Thread xy21hb
Dear all, I am following the gromacs tutorial for lipid bilayer, http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin/gmx-tutorials/membrane_protein/06_equil.html and wondering how I could simulate the gel phase (not the phase transition from liquid phase to gel phase) in this case as a co