Re: extraction of strain energy release rates using cohesive zone modeling

You can simply use the abaqus history variables like ALLIE if you only
need the strain energy in the whole model.

Or you can write the strain energy in each element as output to the odb.

> Dear all,
> I am a student carrying out my Master's project. I want to perform a
> comparative study of strain energy release rates for a delamination of
> double cantilever beam using Virtual crack closure technique(VCCT) and
> Cohesive zone modeling(CZM). I could extract the values of strain energy
> release rates using VCCT directly in the visualization module. But i am not
> able to directly extract the values of strain energy release rates using
> Cohesive modeling method.
> i have tried using both cohesive surface contact and cohesive element
> contact. But i am not able to get the values of strain energy release rates
> using any of the two methods of cohesive zone modeling.
> Is there any way to extract strain energy release rates using cohesive
> modeling approach?
> Thanks in advance for your help,
> SINDHU BR
>

                    Priv...-Doz. Dr. Martin Bäker
                    Institut für Werkstoffe
                    Technische Universität Braunschweig
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