abaqus接触问题求教！
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真心求教各位大神，我的Abaqus模型涉及接触问题，中间销子为刚体约束
，但是就是出现如下问题，导致不收敛：
***WARNING: THERE ARE 2 UNCONNECTED REGIONS IN THE MODEL.
***WARNING: SOLVER PROBLEM. NUMERICAL SINGULARITY WHEN PROCESSING NODE 10489 D.O.F. 1 RATIO = 8.34363E+12.
***WARNING: SOLVER PROBLEM. NUMERICAL SINGULARITY WHEN PROCESSING NODE 10489 D.O.F. 3 RATIO = 734.429E+09 .
求教各位啊，cae文件：http://pan.baidu.com/s/1o67ONF0
***WARNING: THERE ARE 2 UNCONNECTED REGIONS IN THE MODEL.
***WARNING: SOLVER PROBLEM. NUMERICAL SINGULARITY WHEN PROCESSING NODE 10489 D.O.F. 1 RATIO = 8.34363E+12.
***WARNING: SOLVER PROBLEM. NUMERICAL SINGULARITY WHEN PROCESSING NODE 10489 D.O.F. 3 RATIO = 734.429E+09 .
求教各位啊，cae文件：http://pan.baidu.com/s/1o67ONF0
vanillaH1234 
