Are J-Integral values in ANSYS Workbench computed for elastic behavior only, or do they include both elastic and plastic contributions?

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Simon Smith

Hi Majid,

The following web page says: "J-integral evaluation supports the following material behaviors: -Linear isotropic elasticity; - Isotropic plasticity".

https://ansyshelp.ansys.com/public/account/secured?returnurl=/Views/Secured/corp/v242/en/ans_frac/frac_parmcalctypes.html

Regards,

Simon

Sathya Prasad Mangalaramanan

J-integrals, by definition, are used when the crack tip becomes plastic (post-yield). So, it is elasto-plastic. In UK, it is called CTOD (crack tip opening displacement).