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Too many attempts for this increment in Riks abaqus in the middle of the way

Submitted by farzad64 on

Hi all

 

I am doing a Riks analysis and this error of too many attempts for increment came up in the 47 th increment while the whole is 100  , I  guess that my mesh is coarse , so when my load is small , i face this error , is this right ? that in Riks analysis the loads should be big enough to show the nonlinearity in NLgeometric elastic structures ?

 

 

 

at least could someone tell me please that why  in history out put in RIKS analysis , i have displacement out put for one node , but NO reaction force , it's zero !! in this node 

 

why is that ? 

 

thank you so much in advance 

Thu, 03/06/2014 - 14:22 Permalink