bilinear stress strain behavior

HI

I have defined bonds in a data file and used bond_style harmonic/shift/cut which is linear harmonic potential with a cutoff …i wish to have bilinear stress-strain behavior i.e young’s modulus E1 up to some strain and E2 unto another strain and then a cutoff

PLEASE HELP

Akash Singh

HI

I have defined bonds in a data file and used bond_style harmonic/shift/cut
which is linear harmonic potential with a cutoff ....i wish to have bilinear
stress-strain behavior i.e young's modulus E1 up to some strain and E2 unto
another strain and then a cutoff

PLEASE HELP

please help *how*? do *your* work for you? fat chance.

you have to describe more specifically, where your problem is and what
your choice of bond potential has to do with your desired stress
strain relation and where exactly things don't work the way you
expect, and what you have tried to alleviate that and so on.

axel.