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[Chu <question681486@xxxxxxxxxxxxxxxxxxxxx>]

Question #681486 on Yade changed:
https://answers.launchpad.net/yade/+question/681486

Chu gave more information on the question:
Thanks  Bruno and Robert.

I apologize for my mistake in #7.

>Until now it's unclear to me why you think something is wrong.

I consider the pore pressure field should be gradient distribution like
[1],but actually it looks irregular[2].

>To clarify: you run the same simulation for the same number of time
steps using useSolver=0 and useSolver=3 (or 4), and you get entirely
different pressure fields?

I made a mistake here.Actually I find that I run the simulation for the
same number of time steps and I got same results.But for one step,I got
the pore pressure field[1].It looks well.But for two steps,I got the
pore pressure field[2].They're entirely different.I haven't tried to run
the simulation for more steps.Why they're so different?

[1]https://s2.ax1x.com/2019/06/27/ZufDNF.png
[2]https://s2.ax1x.com/2019/06/27/Zuf639.png

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