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[Question #701385]: Which factors cause the fluctuation/uncertainty in DEM simulation

 

New question #701385 on Yade:
https://answers.launchpad.net/yade/+question/701385

Hi,
I'd like to ask that which factors cause the fluctuation/uncertainty in DEM simulation.

For example, let's say the stress-strain curve from a triaxial compression test, it can be found that (1) the curve is not smooth, why? (2) It seems that different results can be got when run the same simulations for several times. which factors cause this uncertainty?

Thanks

Leonard

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