Hi gromacs users I want to know what is purpose of -dt flag in most of commands? in my analysis, different values for -dt results in outcomes have not determined trend .
I used this flag for g_rms as follows : if g_rms -f pr.xtc -s pr.tpr -n pr.ndx -o 5.xvg -dt 5 so : gromacs record output every 20 ps if g_rms -f pr.xtc -s pr.tpr -n pr.ndx -o 10.xvg -dt 10 so : gromacs record output every 20 ps if g_rms -f pr.xtc -s pr.tpr -n pr.ndx -o 15.xvg -dt 15 so : gromacs record output every 60 ps if g_rms -f pr.xtc -s pr.tpr -n pr.ndx -o 20.xvg -dt 20 so : gromacs record output every 20 ps if g_rms -f pr.xtc -s pr.tpr -n pr.ndx -o 25.xvg -dt 25 so : gromacs record output every 100 ps if g_rms -f pr.xtc -s pr.tpr -n pr.ndx -o 30.xvg -dt 30 so : gromacs record output every 60 ps in my simulation [ 1 frame = 4 ps ] any help will highly appreciated.
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