Dear Brad,
> Would anyone have any information on how to implement a bilinear material
> definition in Abaqus?
>
Could you use say Von Mises or Tresca with hardening? Either model
would have a bilinear stress-strain behaviour.
> The only way I am aware of is through the use of a user-defined material
> (UMAT). But, I am unsure of how to code the material definition. Could
> someone who has coded something similar please offer some assistance? Or,
> if there is an alternative method.
>
> The data I am working with is the value of the Young's modulus of
> elasticity corresponding to a region of strain and an additional value of
> the Young's modulus for the second region of strain through failure/maximum
> strain.
>
> Thanks in advance for any feedback
>
> Brad Probst
regards,
Andrew
> Dept. of Biomedical Eng.
> Tulane University
>
>
>
>
>
--
If you want an honest opinion, ask a child. But if you want an honest
look at his future, watch what he goes after. - Annette Hamilton
Dr. Andrew H.C. Chan: [log in to unmask] or [log in to unmask]
Reader, School of Civil Engrg, Univ of Birmingham B15 2TT UK
Tel: +44(0)121 414 5100 Fax: +44(0)121 414 3675 Room 118B
http://www.bham.ac.uk/CivEng/pg/soils/chan/chan01.htm
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