Temperature dependent damage criteria for cohesive elements using traction separation behaviour?

09 September 2016 1 6K Report

Hi. I'm trying to model interfacial delamination, where the cohesion at the interface is reduced due to temperature. I have defined the damage initiation criteria in terms of maximum stress and it works fine. When I try use temperature dependent data for the maximum stress criterion the results show that the temperature is not taken into account. What could cause this? I am using tie constraints for the cohesive layer.

Sugiman Sugiman

Temperature dependent maximum stress is used to degrade the cohesive zone with temperature. Do you want to model the temperature dependent delamination?

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