Stress strain Curves : RD3500

Hello,

i want to compare stress strain curves of few materials with RD3500 tensile test. But in hypergraph there are 2 options : x- Plastc Strain (2D & SH3N) & y-Von Mises (2D & SH3N).

But the problem is, here i cannot generate a general stress strain curve for whole part.....instead it asks for particular elements to select.

Can you please tell me, how can i make a general stress strain curve for the part ? (combining all elements in one plot, rather then having a plot for each element)

Also, what SH3N means ?

Thanks in advance,

Regards,

Palash