Re: [gmx-users] Some Issues on Substrates/PBC

2008-08-07 Thread Justin A. Lemkul
Michael Hirtz wrote: Hi Justin, In addition to that, you may consider using pbc = full to get an infinite system and potentially avoid some of those edge effects it looks like you are seeing. I know others have used that kind of setup with carbon nanotubes (not my area of expertise, but I've

Re: [gmx-users] Some Issues on Substrates/PBC

2008-08-07 Thread Michael Hirtz
Hi Andre, > if you are not interested in the substrate dynamics, then you could > try the freeze group options (freezegrps and freezedim). I have used > these options for graphite and it worked just fine. Thanks for your reply! In addition with the 'pbc = full' options it solves all my problems w

Re: [gmx-users] Some Issues on Substrates/PBC

2008-08-07 Thread Michael Hirtz
Hi Justin, > In addition to that, you may consider using pbc = full to get an > infinite system and potentially avoid some of those edge effects it > looks like you are seeing. I know others have used that kind of > setup with carbon nanotubes (not my area of expertise, but I've read > the discuss

Re: [gmx-users] Some Issues on Substrates/PBC

2008-08-06 Thread Justin A. Lemkul
André Farias de Moura wrote: Hi Michael, if you are not interested in the substrate dynamics, then you could try the freeze group options (freezegrps and freezedim). I have used these options for graphite and it worked just fine. best, André In addition to that, you may consider using pbc =

Re: [gmx-users] Some Issues on Substrates/PBC

2008-08-06 Thread André Farias de Moura
Hi Michael, if you are not interested in the substrate dynamics, then you could try the freeze group options (freezegrps and freezedim). I have used these options for graphite and it worked just fine. best, André > Dear Listmembers, > > This post is quite lengthy because it contains several diffe

[gmx-users] Some Issues on Substrates/PBC

2008-08-06 Thread Michael Hirtz
Dear Listmembers, This post is quite lengthy because it contains several different problems that I came across during my simulations and that I cannot figure out up to now. I included some links to pictures to give you some visualization and would be glad for every suggestion or hint even to part