Barlat 1989 is a yield criterion for anisotropic material. To use this model, its constitutive parameters must be determined experimentally for specific material. In this model there is a parameter p which must determined numerically. But I do not know the procedure. I will appreciate if anybody know the procedure and let me know.
Hi Vahid
For barlat Law 89 you need 4 material parameters.
For p you can read this theory page number 62.. i hope you you will get your answer.
http://link.springer.com/chapter/10.1007%2F978-3-540-88113-1_2
Thanks Zuhair
I know this paper already. If you read beginning of the page 63, it mentioned that another way of calculating the p value is using numerical procedure. This is my problem that I do not know what the author mean by the numerical procedure.
Actually nemerical procedure is basically the approximation technique by ABAQUS ANSYS or LS dyna.
As from the flow curves of stress strain we can find the material parameters of K n alpha in Hollomons law, Ludwiks law, Swift law or Voce law.
- Badges
- Science topic
- Similar topics
- Biological Science
- Physiology
- Physiological Processes
- Stress