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Re: [Question #679748]: Error with lubrication law solver


Question #679748 on Yade changed:

    Status: Open => Answered

William Chèvremont proposed the following answer:

Yes and no. In fact, you have two subsystem: one when the two spheres
interacts only with lubrication, and one when you have lubrication and

The "0" method solve the previous system then look if the results is in
the right condition. If not, it divide the timestep by two and do it
again on the two half timesteps, which sometimes leads to high number of
recursions. The "1" and "2" solve directly the whole compound system by
iterative methods, and the "3" is like the "0", but it predict the
transition, thus, no recursion.

Then , the "3" is most powerful in term of calculation, because it's
always a fixed number of computations.

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