Hi all, what are the meanings of the columns X and dX? From the manual i think the first column X should be the position of the pull-group. But in my case it is the position of the reference group, so i'm a little bit troubled. And what is dX? For me it looks that this is the vector from the reference-group to the pull-group. And then the forces in pullf.xvg were calculated with: F(t)= k*[S - (RP(t)-RP(0))] Where F is the force, S the vector from the reference-group to the spring (= pull_init + t * pull_rate * pull_vec) and RP the vector from the reference-group to the pull-group and t the time. (I used the umbrella pulling, with pull-geometry = position) Am i right?
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