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Re: (no subject)


For which phase have you got negative q values? The compaction phase, the deviatoric phase, ... ?

Hadda Nejib a écrit :
I don’t know if it is common in YADE to have negative values for the deviatoric stress q in both triaxial test and triaxial test water for the first iterations (numerical problem) until the specimen is stabilized. I have also always had this sudden fall in the value of sigma22 after some iterations at the beginning of my simulations.

Shall I take the initial value of sigmaisocompactation near to value of the confining pressure to avoid such problem ?


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Luc Sibille

Université de Nantes - Laboratoire GeM UMR CNRS

IUT de Saint Nazaire
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