Saturday, 11 August 2012

Cohesive Zone basic Model

Cohesive zone model is part of Fracture Mechanics. It is used when a crack is present and when a load is applied. For an example I built a simple model in ANSYS. ANSYS has a short description about what is meant to go on in a cohesive zone model, however it's not that good. The main problem is some of the commands can only be done text based i.e. there is no submenu where you input these. I did a simple 2D model, here is the full text input

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One thing I found out is that ANSYS will not show you cracks instead it will show you elements coloured in different colours and you have to use the scale to check to see if it has cracked

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