Question #704227 on Yade changed:
https://answers.launchpad.net/yade/+question/704227
Status: Open => Answered
Jan Stránský proposed the following answer:
Hello,
> I am Japanese. Sorry for my rude English ...
> and, I am new to yade .... I am also new to programming and DEM.
no need to repeat it every question :-)
(1) uses some significant simplifications (w.r.t real sand):
- is uses spherical particles
- it uses "simple" material law
"To approximate actual soil particles", you can improve one or both of these
simplifications:
- you can use non-spherical particles - polyhedrons, clumps [2, Kozicki2012]
- you can use other material law, e.g. as you proposed using using twisting or
rolling moments
A more detailed "program, method, and advice" strongly depends on
details and definitions (such as "to reflect mechanical properties
between particles", "to approach the behavior between soil particles",
"to approximate actual soil particles"), what is not suitable on the
simple approach, what results are expected, etc. etc.
Cheers
Jan
[2] https://www.yade-dem.org/doc/publications.html
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