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Sudden and dramatic drop in time increment

Sudden and dramatic drop in time increment

Sudden and dramatic drop in time increment

(OP)
As you can see below, the time increment in my NLG plastic Consolidation analysis (Transient Soil Step) drops dramatically and suddenly by almost 5 orders. Is that material failure? . What  can i doif my analysis time span is in the order of 1E+08,  while the time increment after that moments seems to continue with order of 1.
This means that I need several days to complete a single analysis, if the job doesnot abort. Please advise
3    7.94706e+07    1.94706e+07    4696.5
8    7.9471e+07    1.9471e+07    440.297
7    7.94711e+07    1.94711e+07    110.074
3    7.94711e+07    1.94711e+07    27.5186
4    7.94712e+07    1.94712e+07    27.5186
1    7.94712e+07    1.94712e+07    0.644967
1    7.94712e+07    1.94712e+07    1.28993
3    7.94712e+07    1.94712e+07    2.57987
2    7.94712e+07    1.94712e+07    0.96745

RE: Sudden and dramatic drop in time increment

(OP)
I have explored that this is due to the soft material that experiencing huge distortion. Please refer to my following thread  Convergence of  plastic soft materials
for further comments

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