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Abaqus error - Displacement increment for contact is too big

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akshay85

Civil/Environmental
Joined
Feb 15, 2011
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6
Location
US
Hi All,

I would like to thank the forum members for posting questions and answers. these were of much help to me as i am a new abaqus user. I am trying to model jointed rigid pavement to study the effect of dynamic loading. Earlier i had used spring elements to simulate dowel joints but they do not provide desirable results.

Recently i have tried to model 2 concrete slabs connected with steel bars (dowels). However the model does not work and gives error - "Displacement increment for contact is too big". The message file gives the following warnings:

***WARNING: SOLVER PROBLEM. NUMERICAL SINGULARITY WHEN PROCESSING NODE DOWEL-1.1 D.O.F. 3 RATIO = 16.3607E+12.

Please help.
 
Looks like you haven't got a restraint in the Z (or 3) direction.

Tara
 
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