Re: [gmx-users] Re: Neigborsearching, Electrostatics and vdw options

2012-03-23 Thread Justin A. Lemkul
ahmet yıldırım wrote: Hi, /quote from a paper: A twin range cut-off for van der Waals (0.9/1.4 nm) and a smooth particle mesh Ewald algorithm for Coulomb interactions (switching distance of 0.9 nm) were used./ i.e.this means: ; NEIGHBORSEARCHING PARAMETERS . rlist

Re: [gmx-users] Re: Neigborsearching, Electrostatics and vdw options

2012-03-23 Thread ahmet yıldırım
Hi, *quote from a paper: A twin range cut-off for van der Waals (0.9/1.4 nm) and a smooth particle mesh Ewald algorithm for Coulomb interactions (switching distance of 0.9 nm) were used.* i.e.this means: ; NEIGHBORSEARCHING PARAMETERS . rlist = 0.9 ; OPTIONS FOR ELECTROS

Re: [gmx-users] Re: Neigborsearching, Electrostatics and vdw options

2012-03-21 Thread Oliver Stueker
Hi Ahmet, > Let's imagine a sphere(two concentric spheres): > radius of the inside small sphere=rvdw > radius of the big sphere=rcoulomb > distance between two of our nested spheres:rlist > is this approach correct? No. I suggest you read section 4.6.3 (and probably also 4.6.2) in the Gromacs Ma

[gmx-users] Re: Neigborsearching, Electrostatics and vdw options

2012-03-21 Thread ahmet yıldırım
Dear users, *Berk Hess says: [gmx-users] a) rlist vs rvdw/rcoulomb size confusion, and b) reduced units Mon Jul 16 14:17:12 CEST 2007* There are three options in Gromacs. The option you want is rcoulomb < rlist and rvdw < rlist. This works and gives the most accurate and also the most costly int