[gmx-users] How to simulate broken and movement of molecules

Anton Feenstra feenstra at chem.vu.nl
Fri Nov 21 08:56:04 CET 2003


Albert Sun wrote:

> Dear Anton and users,
> When we simulate molecules under force, is it possible to set a distance limit such as a spring?, once the limit between two ends (atoms)  is reached, the spring will broken and two ends(atoms)  will separate and move in opposite direction.
> ( sorry, I am in mechanical area and please forgive me to raise the stupid inquiry)

That sounds a bit like a morse potential (quadratic at short distances,
but a plateau above a certain distance). It's in the manual somewhere...


-- 
Groetjes,

Anton
  _____________ _______________________________________________________
|             |                                                       |
|  _   _  ___,| K. Anton Feenstra                                     |
| / \ / \'| | | Dept. of Pharmacochem. - Vrije Universiteit Amsterdam |
|(   |   )| | | De Boelelaan 1083 - 1081 HV Amsterdam - Netherlands   |
| \_/ \_/ | | | Tel: +31 20 44 47608 - Fax: +31 20 44 47610           |
|             | Feenstra at chem.vu.nl - www.chem.vu.nl/~feenstra/       |
|             | "If You See Me Getting High, Knock Me Down"           |
|             | (Red Hot Chili Peppers)                               |
|_____________|_______________________________________________________|





More information about the gromacs.org_gmx-users mailing list