[gmx-users] Forgotten velocities

Patrick Fuchs Patrick.Fuchs at ebgm.jussieu.fr
Fri Jul 1 13:03:50 CEST 2005

Dear gromacs users,
I have started an md with gen_vel = no, starting from a system after 
minimisation (thus by reading a gro file with the option -c in grompp). 
The gro file after minimisation contains no velocities, but the system 
still starts, and everything seems normal (I have checked temperature, 
the different energies etc...). Can anybody tell me how the program 
generates the velocities, and is there a default seed in such a case  
(if yes, what's its value) ?
Thanks for your answer,


Patrick FUCHS
Equipe de Bioinformatique Genomique et Moleculaire
INSERM U726, Universite Paris 7
Case Courrier 7113
2, place Jussieu, 75251 Paris Cedex 05, FRANCE
Tel : +33 (0)1-44-27-77-16 - Fax : +33 (0)1-43-26-38-30
E-mail : Patrick.Fuchs at ebgm.jussieu.fr
Web Site: http://www.ebgm.jussieu.fr/~fuchs

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