[gmx-developers] Semiisotropic pressure coupling br0ken?

Berk Hess hess at kth.se
Thu May 26 13:28:17 CEST 2016


Hi,

As Mark said, there is no bug, your input is incorrect.
You should only have 1 nstpcouple and 1 tau_p value.

Cheers,

Berk

On 2016-05-26 13:12, Alexey Shvetsov wrote:
> Mark Abraham писал 26-05-2016 13:55:
>> Hi,
>>
>> No, this is a fixed bug. Those inputs are not well formed, and this
>> was recently noticed and the scanf parsing improved. Time to kill this
>> code!
>
> Ok. But when it was fixed? In what branch? I checked current git 
> master and bug still here.
>
>
>>
>> Mark
>>
>> On Thu, 26 May 2016 12:50 Alexey Shvetsov <alexxy at omrb.pnpi.spb.ru>
>> wrote:
>>
>>> Hi!
>>>
>>> Seems like semiisotropic pressure coupling is broken for some time
>>> in
>>> master and in release-2016 branch
>>>
>>> e.g.
>>>
>>> ; pressure coupling
>>> Pcoupl                   = Parrinello-Rahman
>>> Pcoupltype               = semiisotropic
>>> nstpcouple               = -1 -1
>>> ; Time constant (ps), compressibility (1/bar) and reference P (bar)
>>> tau_p                    = 2.0 0.0
>>> compressibility          = 4.5e-5       0
>>> ref_p                    = 1.0 0.0
>>>
>>> and grompp warns me...
>>>
>>> ERROR 1 [file md_npt_semi.mdp, line 359]:
>>> Right hand side '-1   -1' for parameter 'nstpcouple' in parameter
>>> file
>>> is
>>> not an integer value
>>>
>>> ERROR 2 [file md_npt_semi.mdp, line 359]:
>>> Right hand side '2.0  2.0' for parameter 'tau_p' in parameter
>>> file is
>>> not
>>> a real value
>>>
>>> -- 
>>> Best Regards,
>>> Alexey 'Alexxy' Shvetsov, PhD
>>> Department of Molecular and Radiation Biophysics
>>> FSBI Petersburg Nuclear Physics Institute, NRC Kurchatov Institute,
>>> Leningrad region, Gatchina, Russia
>>> mailto:alexxyum at gmail.com
>>> mailto:alexxy at omrb.pnpi.spb.ru
>>> -- 
>>> Gromacs Developers mailing list
>>>
>>> * Please search the archive at
>>> http://www.gromacs.org/Support/Mailing_Lists/GMX-developers_List
>>> before posting!
>>>
>>> * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists
>>>
>>> * For (un)subscribe requests visit
>>>
>> https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-developers
>>> or send a mail to gmx-developers-request at gromacs.org.
>



More information about the gromacs.org_gmx-developers mailing list