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[Jan Stránský <question257425@xxxxxxxxxxxxxxxxxxxxx>]

Question #257425 on Yade changed:
https://answers.launchpad.net/yade/+question/257425

Jan Stránský proposed the following answer:
Hi Laura,

paraview is very powerful, you can also use python scripting for pictures
creation :-) have a look at [1] for very short yade introduction.


> and now, in ParaView, when I import  .vtu files, I can see the options
> "cmpdamage and cpmstress" but, as I can see in the figure attached
> (link), the values for cpmstress are cero.


you have to set time (upper top in PV) to nonzero value, there are also
some arrows for gui move or play. In zeroth step (as in attachment), the
stress is (and should be) zero. Furthermore, stress is saved as tensor, so
you can plot only specific value (0=xx,1=xy,2=xz,3=yx,4=yy,...,8=zz) or use
'Calculator' filter to play with it (to display mean stress as average of
sxx,syy and szz for instance). Just on the left from 'cpmStress' there is
"rescale to data range" icon, quite nice to use. Or one more left there is
'edit color map', where you can set the range manually.


> Maybe is a problem of options
> in the configuration in ParaView (I'm novice with this software).Do you
> have any idea of why?


see above


> From what I understand, despite the strain rate,
> were you able to see the breaklines in the slab.
>

yes, I can see clear breaklines on the slab sides, and slightly in the
middle. For damage visualization I prefer cpmDamage more than cpmStress. I
am not familiar with 'breaklines' term, so it does not need to be true for
your case.


>
> About how to export contact points with the information about their
> damage, I would like that you show me an example for how to do. A lot of
> thanks for your help.
>

sorry, just now I don't have time to do so, I will send you something in 2
weeks. Write me reminding email if I forget..

good luck in learning paraview :-)
cheers
Jan

[1] https://yade-dem.org/doc/user.html#id3

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