Dear all,
First, how to search the mailing list in the new website? I didn't find the
button.
Because I failed to search the mailing list, I post the following question
that may be discussed before. I used the pull code for simulation, here is my
pull.ppa file:
verbose = no
skip steps = 10
runtype = afm
group_1 = G_pull
reference_group = Ref
reftype = com
pull_dim = Y Y Y
afm_rate1 = 0.001 ;nm/ps
; Force constants in kJ/(mol*nm^2)
afm_k1 = 4184
; Directions
afm_dir1 = 0.324761469 1.699368642 -1.350340856
afm_init1 = -0.461723435 0.925478896 -0.835222495
My simulation time is 2 ns with a time step 2fs. If the unit of pull
rate is nm/ps, the dummy atom should move 2 nm. However, I found that the dummy
atom moved 4 nm! So, the unit of pull rate is (dt*nm)/(1fs*ps)? Right? I used
Gromacs-3.3.1 for the simulation. Thanks!
Best regards,
2009-8-8
=========================================
Dechang Li, Ph.D Candidate
Department of Engineering Mechanics
Tsinghua University
Beijing 100084
P.R. China
Tel: +86-10-62773574(O)
Email: lidc02 at mails.tsinghua.edu.cn
=========================================
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