Dugdale -Barenblatt cohesive zone model outside the contact zone
Dear sir
I am Ravi dalmeya doing Phd from Indian Institute of Technology,Kanpur (India). I am doing work on adhesive elastic wavy thin film. I have completed 2-D Hertzian contact between cylinder and elastic half space using Abaqus. Now i want to apply Dugdale-Barenblatt cohesive zone model outside the contact zone and i do not know how to apply Dugdale-Barenblatt cohesive zone model outside the contact zone.Can you give me some suggestion?
Thanking you
Ravi dalmeya
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is there any proper model for the fatigue crack tip stress-strain field?
dear my friends:
I am a new one in the fatigue crack study. as we all konw, there is a crack resistant near the crack tip before its cracking. HRR model has been well testfied in monotanic crack, so i wonder whether it can be expanded to the cyclic crack situation or not! if yes, so how to describe the stress-strain distribution just nearby the tip? can we define a similar resistant value in the cyclic status?and is the stress redistribution concept right for the stress harden material?
any suggestions would be appreciated!
regards, Long
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