Question #698392 on Yade changed:
https://answers.launchpad.net/yade/+question/698392
Status: Answered => Open
Yuxuan Wen is still having a problem:
Hello Jan,
Thank you for you help and sending me the position of the source code! I
am much appreciated!
But I am still a little confused with the definition of the fluctuation
velocity. As you said, the E=0.5*m*v^2+0.5*I*w^2 still holds, and "v" and "w"
are the fluctuation velocity . In the source code, the fluctuation velocity is
defined as:
bodyFluctuationVel(state->pos - state->vel * scene->dt, state->vel,
scene->cell->velGrad)
which is a function of 1)updated position, 2) v, and 3) velGrad.
But I don't know how to calculate the fluctuation velocity by these 3 terms. I
searched the documentation by "bodyFluctuationVel" and didn't find anything
matched. I wonder if it is possible that you could tell me the expression of
the fluctuation velocity? Thank you!
Kind Regards,
Yuxuan
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