October 1, 2020 at 12:21 pmVeraLSubscriber
I’m currently working on delamination in composite materials and I got some questions because I didn’t find what I was looking for in the ANSYS HELP.
My questions refers to « Fracture Criteria » and « Cohesive Zone » in Engineering Data .
First, this is the help i'm refering to for my questions about Fracture criteria : https://ansyshelp.ansys.com/account/secured?returnurl=/Views/Secured/corp/v182/ans_frac/Hlp_G_STR_VCCT.html?q=bk
In the different fracture criteria, what do represent zeta, xi (Bilinear fracture), n1, n2, n3 (Power law fracture) ?
If they only are exponents without physic signification for the formulas, do you have reference/default values ? It’s written that they are material constants but I don’t have further informations. Indeed, I can’t have access to the articles quoted in the ANSYS HELP.
Then, for my questions about « Cohesive zone » :
- Bilinear for interface delamination : what do represent the beta non-dimensional weighting parameter ? Is the right way to represent it in this configuration ?October 21, 2020 at 9:49 amAshish KhemkaAnsys EmployeennPlease see if the following provides some help?nhttps://forum.ansys.com/discussion/2760/unable-to-define-czm-bilinear-or-exponentialnRsgards,nAshish KhemkanViewing 1 reply thread
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