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
58, rue Michel-Ange - BP 420
44606 Saint-Nazaire Cedex, France
Tel: +33 (0)2 40 17 81 78
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