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Cohesive elements wont break

Submitted by Gorjin on

Hi!

My name is Christian and Im having big problems whit geting my cohesive elements to break. I have been stuck for some time now and cant find the right help. Im not experienced whit abaqus so its probably a very simple fault but I cant find it.

 I have a model of 3 elements in 3D. Steel on the top and bottom and glue in the middle. I pull in the upper steel element but the glue wont break no matter how far I pull the top element. Im very insecure about my input numbers for the glue but I have tried a lot of diffrent combinations but I cant find any that works.

 The inp file is attached as an txt file.

 Im grateful for all help!