Re: [gmx-users] dssp and gromacs version

2012-03-02 Thread lina
On Fri, Mar 2, 2012 at 3:55 PM, Mark Abraham mark.abra...@anu.edu.au wrote: On 2/03/2012 6:52 PM, lina wrote: Hi, is the old dssp not compatible with the gromacs 4.5.5 ? I am confused, Thanks, Best regards, The new DSSP is not compatible with any GROMACS Ha ... the dssp complain the

Re: [gmx-users] dssp and gromacs version

2012-03-02 Thread João Henriques
Gromacs' 4.5.5 do_dssp is broken. There is a patch for it in git. I haven't tried it out, so I can't say for sure it works. This is not a DSSP problem, it's a Gromacs problem. Just to reinforce the idea, the new DSSP should not be used, no matter which Gromacs version you're using. Best regards,

Re: [gmx-users] MDrun append...

2012-03-02 Thread lloyd riggs
Dear Rama, Since the latest version, I have to use -noappend and then just concantenate them when they are finished. I gave up as no mater how many paths to files, listening to the error messages, I supplied to the mdrun it still complained. Dont know if this is a personalized bug or more

Re: [gmx-users] Gromacs-GPU benchmark test killed after exhausting the memory

2012-03-02 Thread Szilárd Páll
Hi, First I thought that there might be a memory leak which could have caused this if you ran for really long time. However, I've just ran the very same benchmark (dhfr with PME) for one hour, monitored the memory usage and I couldn't see any change whatsoever (see the plot attached). I've

Re: [gmx-users] impropers and residue number

2012-03-02 Thread Justin A. Lemkul
Lara Bunte wrote: Hello I got this error: Fatal error: Atom ON1 is used in an interaction of type improper in the topology database, but an atom of that name was not found in residue number 1. What do this mean? How to fix it? The Atom ON1 is declared in atomtypes.atp file. In my

[gmx-users] Lennard-Jones Interactions in Gromacs

2012-03-02 Thread Lara Bunte
Hi In a supporting Information of a paper is written: The description of the LF radical force fields is complete, as soon as also the parameters of the Lennard-Jones potentials are given. For these parameters we adopt the values specified in the CHARMM22 force field for the basic atom types

[gmx-users] Re: Re: mdrun -multi flag (Mark Abraham)

2012-03-02 Thread bo.shuang
Hi, Mark, Thank you for help. It works. But now I have new fatal error: Fatal error: The number of nodes (1) is not a multiple of the number of simulations (2) MPI_ABORT was invoked on rank 0 in communicator MPI_COMM_WORLD with errorcode -1. NOTE: invoking MPI_ABORT causes Open MPI to kill all

Re: [gmx-users] Re: Re: mdrun -multi flag (Mark Abraham)

2012-03-02 Thread Justin A. Lemkul
bo.shuang wrote: Hi, Mark, Thank you for help. It works. But now I have new fatal error: Fatal error: The number of nodes (1) is not a multiple of the number of simulations (2) MPI_ABORT was invoked on rank 0 in communicator MPI_COMM_WORLD with errorcode -1. NOTE: invoking MPI_ABORT causes

Re: [gmx-users] Extending simulation with -pd

2012-03-02 Thread Peter C. Lai
On 2012-03-02 05:25:01PM +, Steven Neumann wrote: Dear Gmx Users, I run nvt simulation with small timestep with implicit solvent for 500 ps. I used particle decomposition for this run (-pd). No I want to extend my simulation with different mdp file from the previous nvt using:

[gmx-users] [ bondedtypes ]

2012-03-02 Thread Lara Bunte
Hi The first part in a .rtp file is the [ bondedtypes ] with syntax [ bondedtypes ] ; bonds    angles    dihedrals    impropers 1 1  1 2 1.) What do this numbers mean? I found nothing in the manual to that. 2.) If you have improper dihedrals,

[gmx-users] Re: Lennard-Jones Interactions in Gromacs

2012-03-02 Thread Lara Bunte
Please help :-( Greetings Lara -- gmx-users mailing listgmx-users@gromacs.org http://lists.gromacs.org/mailman/listinfo/gmx-users Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/Search before posting! Please don't post (un)subscribe requests to the list. Use the

Re: [gmx-users] Re: Lennard-Jones Interactions in Gromacs

2012-03-02 Thread Justin A. Lemkul
Lara Bunte wrote: Please help :-( Please realize that you're asking for free help from a global mailing list. You may not get a reply from someone immediately, as that person may be busy with their own work, or even asleep ;) From your original post: In a supporting Information of a

Re: [gmx-users] [ bondedtypes ]

2012-03-02 Thread Justin A. Lemkul
Lara Bunte wrote: Hi The first part in a .rtp file is the [ bondedtypes ] with syntax [ bondedtypes ] ; bondsanglesdihedralsimpropers 1 1 1 2 1.) What do this numbers mean? I found nothing in the manual to that. They are the

[gmx-users] Re: Re: Re: Re: mdrun -multi flag (Mark Abraham) (Justin A. Lemkul)

2012-03-02 Thread bo.shuang
Thank you for help! Is that possible to run REMD on a PC with only one processor? Bo bo.shuang wrote: Hi, Mark, Thank you for help. It works. But now I have new fatal error: Fatal error: The number of nodes (1) is not a multiple of the number of simulations (2) MPI_ABORT was invoked on

Re: [gmx-users] [ bondedtypes ]

2012-03-02 Thread Mark Abraham
On 3/03/2012 5:17 AM, Lara Bunte wrote: Hi The first part in a .rtp file is the [ bondedtypes ] with syntax [ bondedtypes ] ; bondsanglesdihedralsimpropers 1 1 1 2 1.) What do this numbers mean? I found nothing in the manual to

Re: [gmx-users] Re: Re: Re: Re: mdrun -multi flag (Mark Abraham) (Justin A. Lemkul)

2012-03-02 Thread Mark Abraham
On 3/03/2012 7:34 AM, bo.shuang wrote: Thank you for help! Is that possible to run REMD on a PC with only one processor? No. See http://www.gromacs.org/Documentation/How-tos/REMD Mark Bo bo.shuang wrote: Hi, Mark, Thank you for help. It works. But now I have new fatal error: Fatal

[gmx-users] Anomalous temperature

2012-03-02 Thread zhongjin
Dear gmx users,      It seems that I have found a strange temperature value after NVT equilibrium for 200 ps. I simulate a CNT with two graphite sheets in water box. I do not want to them to deform or change their shaps, So I use a very large position restraint (1*10^6) to keep their shaps. The

[gmx-users] do_dssp segmentation fault

2012-03-02 Thread arun kumar
Dear all, Iam trying to generate secondary structure plot through do_dssp program, but there was an error like segmentation fault Reading file md.tpr, VERSION 4.0.7 (single precision) Reading file md.tpr, VERSION 4.0.7 (single precision) Segmentation fault (core dumped) bash-4.1# can anybody

Re: [gmx-users] do_dssp segmentation fault

2012-03-02 Thread Mark Abraham
On 3/03/2012 5:14 PM, arun kumar wrote: Dear all, Iam trying to generate secondary structure plot through do_dssp program, but there was an error like segmentation fault Reading file md.tpr, VERSION 4.0.7 (single precision) Reading file md.tpr, VERSION 4.0.7 (single precision) Segmentation

Re: [gmx-users] Anomalous temperature

2012-03-02 Thread Mark Abraham
On 3/03/2012 5:08 PM, zhongjin wrote: Dear gmx users, It seems that I have found a strange temperature value after NVT equilibrium for 200 ps. I simulate a CNT with two graphite sheets in water box. I do not want to them to deform or change their shaps, So I use a very large position