So, you need in fact to __substract__ accel*dt/2, and you will get at
time "t" the energy of time "t-dt". Sorry if I wrote something
different in previous mails.
Not sure it was a good idea, since nobody will understand why
kineticEnergy computed a time t refers to time t-dt.
The best is to keep your +dt/2 correction, and make the shift in
post_processing, keeping in mind that the elastic energy you compute at
time t refers to time t-dt (in that case we have no choice, forces(t)
are not yet defined when Yade is at time t).
Bruno
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