Re: [gmx-users] viscosity using green kubo relation for ionic liquids

2016-01-12 Thread shanmuga sundaram
I tried with g_energy -vis , but it calculates using einstein relation. I
want to calculate using green kubo equation.


regards,

shanu

On Tue, Jan 12, 2016 at 12:42 AM, David van der Spoel <sp...@xray.bmc.uu.se>
wrote:

> On 11/01/16 22:54, shanmuga sundaram wrote:
>
>> Hello all,
>>
>>
>> I am trying to find viscosity using green kubo relation for Ionic Liquids.
>> I got pressure tensor values (pxx, pyy, pzz, ….) from energy file .edr.
>> How
>> to get stress autocorrelation function (SACF) from pressure
>> autocorrelation
>> function in MD simulations? Also how to change ACF windows (10, 50, 200ps)
>> in getting autocorrelation function from gromacs (usually from g_analyze
>> tool)?
>>
>> try
> g_energy -vis
>
>
>> regards,
>>
>> shanu
>>
>>
>
> --
> David van der Spoel, Ph.D., Professor of Biology
> Dept. of Cell & Molec. Biol., Uppsala University.
> Box 596, 75124 Uppsala, Sweden. Phone:  +46184714205.
> sp...@xray.bmc.uu.sehttp://folding.bmc.uu.se
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[gmx-users] viscosity using green kubo relation for ionic liquids

2016-01-11 Thread shanmuga sundaram
Hello all,


I am trying to find viscosity using green kubo relation for Ionic Liquids.
I got pressure tensor values (pxx, pyy, pzz, ….) from energy file .edr. How
to get stress autocorrelation function (SACF) from pressure autocorrelation
function in MD simulations? Also how to change ACF windows (10, 50, 200ps)
in getting autocorrelation function from gromacs (usually from g_analyze
tool)?


regards,

shanu
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[gmx-users] ionic liquids - viscosity using green kubo relation

2016-01-08 Thread shanmuga sundaram
Hello all,


I am trying to find viscosity using green kubo relation for Ionic Liquids.
I got pressure tensor values (pxx, pyy, pzz, ….) from energy file .edr. How
to get stress autocorrelation function (SACF) from pressure autocorrelation
function in MD simulations? Also how to change ACF windows (10, 50, 200ps)
in getting autocorrelation function from gromacs (usually from g_analyze
tool)?


regards,

shanu
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