Please ignore my message. I figured it out. It should be 2*pi*1 = 6.28 for omega to generate a full cycle.
> On 12 Apr 2020, at 14:15, Prithwish Nandi <prithwish.na...@ichec.ie> wrote: > > Hi, > I am trying to generate an alternating e-field using gromcas input as > following: > > electric-field-x = 1.5 1 0 0 > > E0= 2 V/nm, omega = 1 cycle/ps > > This means a cosine wave of magnitude 1.5 eV/nm and 1 cycle per pico-second. > > I ran this input with mdrun -field option for a sanity check. > > I plotted field.xvg . > > Surprisingly, the plot (attached) is NOT showing 1 full cycle in a 1-ps > period. > It is only 1/4 cycle of a cosine wave. > > So, can you please point out what is that I am missing here? > > Thanks, > > PKN\\ > > > -- > Gromacs Users mailing list > > * Please search the archive at > http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before posting! > > * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists > > * For (un)subscribe requests visit > https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or send a > mail to gmx-users-requ...@gromacs.org. -- Gromacs Users mailing list * Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before posting! * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists * For (un)subscribe requests visit https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or send a mail to gmx-users-requ...@gromacs.org.
