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Weighted averages of micro-stress tensor

Asked by Chien-Cheng Hung

Dear all,

I am trying to plot the micro stress [1] as a function of particle position the same as figure 10 in Catalano et al. (2014) [2].
The thing I don't really understand is the micro stress obtained from [1] is a tensor, not a scalar.
So how do I get the weighted averages of the micro stress tensor against the particle height?
Thanks!

[1] https://yade-dem.org/doc/user.html#micro-stress
[2] https://onlinelibrary.wiley.com/doi/abs/10.1002/nag.2198

Chien-Cheng

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Karol Brzezinski
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Best Karol Brzezinski (kbrzezinski) said : 		#1

Hi,

I believe that figure 10 in Catalano et al. (2014) [1] shows vertical stress component vs the height of the sample (see fig. 4), not particle. Maybe the magnitude of vertical stress is the scalar that you are looking for.

Karol

 [1] https://onlinelibrary.wiley.com/doi/abs/10.1002/nag.2198

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Chien-Cheng Hung (chiencheng) said : 		#2

Hi Karol,

Yes, you are right. Sorry I didn't read it carefully.
Thanks for clearing that up!

Chien-Cheng

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Chien-Cheng Hung (chiencheng) said : 		#3

Thanks Karol Brzezinski, that solved my question.