Re: [gmx-users] Packmol starting .pdb and proper equilibration

2014-10-31 Thread Dr. Vitaly Chaban
On Thu, Oct 30, 2014 at 12:30 PM, Ioanna Styliari wrote: > Thank you both for your prompt replies. > > Dr Vitaly Chaban: Is there any way of evaluating how many nodes are needed or > is it just by a trial-error approach? If your number of cores gives an error, try another number of cores. Dr.

Re: [gmx-users] Packmol starting .pdb and proper equilibration

2014-10-30 Thread Justin Lemkul
On 10/30/14 7:30 AM, Ioanna Styliari wrote: Thank you both for your prompt replies. Dr Vitaly Chaban: Is there any way of evaluating how many nodes are needed or is it just by a trial-error approach? If what Vitaly says is true, this would be a very sneaky bug that has not been noticed be

Re: [gmx-users] Packmol starting .pdb and proper equilibration

2014-10-30 Thread Ioanna Styliari
Thank you both for your prompt replies. Dr Vitaly Chaban: Is there any way of evaluating how many nodes are needed or is it just by a trial-error approach? Justin: Although 1fs works, I was aiming for 2fs steps in the MD but it crashes. I was thinking to run the first 2ns with 1fs and then try

Re: [gmx-users] Packmol starting .pdb and proper equilibration

2014-10-29 Thread Justin Lemkul
On 10/29/14 2:07 PM, Ioanna Styliari wrote: Dear Gromacs users, I am simulating a system that contains a drug nanoparticle in amorphous state, surrounded by water and the water is also surrounded by acetone (imagine 2 concentric spheres for the first two inside one big box for the acetone).

Re: [gmx-users] Packmol starting .pdb and proper equilibration

2014-10-29 Thread Dr. Vitaly Chaban
I do not believe it is because of packmol or because of equilibration. What about trying a different number of cores per job? Sometimes, certain number of cores do not want to work correctly for certain systems. Dr. Vitaly V. Chaban Виталий Витальевич ЧАБАН On Wed, Oct 29, 2014 at 7:07 PM, I

[gmx-users] Packmol starting .pdb and proper equilibration

2014-10-29 Thread Ioanna Styliari
Dear Gromacs users, I am simulating a system that contains a drug nanoparticle in amorphous state, surrounded by water and the water is also surrounded by acetone (imagine 2 concentric spheres for the first two inside one big box for the acetone). I used to build the system using gromacs editco