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Re: [Question #704293]: How to use TW.triangulate() to calculate strain between two states by importing samples

 

Question #704293 on Yade changed:
https://answers.launchpad.net/yade/+question/704293

Leonard gave more information on the question:
Hi Karol,

Many thanks for your reply.

Here are the output with triangulation part (i.e. not comment out)
#############
Triangulated Grains : 33
sym_grad_u_total_g (wrong averaged strain):
0 0 0.125 
0 0 0 
0.125 0 0 

Total volume = 8, grad_u = 
0 0 0 
0 0 0 
0.25 0 0 

sym_grad_u (true average strain): 
0 0 0.125 
0 0 0 
0.125 0 0 

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

Here below are the output without triangulation part (i.e. comment out):

#######
Triangulated Grains : 33
sym_grad_u_total_g (wrong averaged strain):
0 0 0.125 
0 0 0 
0.125 0 0 

Total volume = 8, grad_u = 
0 0 0 
0 0 0 
0.25 0 0 

sym_grad_u (true average strain): 
0 0 0.125 
0 0 0 
0.125 0 0 

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

In addition, the two vtk files are visulised in paraview and they look
the same.

Thanks

Leonard

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