Yade

Calculate micro strain field in 2D using TesselationWrapper

Asked by JIPEIQI on 2019-09-23

I want to calculate the micro strain field in a 2D simulation, but the results of micro strain seems to be zero because the volume of each voronoi cell is zero. Any advice?

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Language:: English Edit question

Status:: Expired

For:: Yade Edit question

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Last query:: 2019-09-23

Last reply:: 2019-10-08

Link existing bug

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JIPEIQI (jpq-learning) said on 2019-09-23:

sym_grad_u_total_g (wrong averaged strain):
0 0 0
0 0 0
0 0 0

Total volume = 0, grad_u =
0 0 0
0 0 0
0 0 0

sym_grad_u (true average strain):
0 0 0
0 0 0
0 0 0

Macro strain :
0 0 0
0 0 0
0 0 0

here is the result when you use computeDeformations(). The strange thing is that the total volume is zero. but the volume of each cell is not (when you get the volume of each cell using TW.volume(b.id), for example)