Material Modelling

Aravindchinnusamy

Hi community,

I like to know extraplotion of S-S curves of materials , could you explain in brief.  is that essential to add in material modelling.

Thanks

GTT Johan

Hi Aravind
For most codes an extraplotation is based on the slope of the curve (H) based on the two last data points.
Like descriped for Optistruct here
MATS1

https://help.altair.com/hwsolvers/os/topics/solvers/os/mats1_bulk_r.htm