Question #707888 on Yade changed:
https://answers.launchpad.net/yade/+question/707888
Status: Open => Answered
Karol Brzezinski proposed the following answer:
Hi Antonia,
1) Macro behavior is a result of microparameters, particle size, and
shape, constitutive laws, etc. For example, rock may have a stiffness of
70 GPa, while a sand sample has a stiffness of around 150 MPa.
Calibration is the best solution [1].
2) Timestep is overestimated for this model, although I am not sure why.
Please change dtSafety to 0.1
Cheers,
Karol
[1]
https://yade-dem.org/doc/formulation.html?highlight=calibration#normal-stiffness
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