#!/usr/bin/gnuplot

set grid
set key top left
set xlabel "yy strain"
set ylabel "yy stress [GPa]"
plot [0:0.1] "stress_strain.dat" w p ti "engineering stress from simulation", 1.1*x ti "analytic true stress with E=1.1 GPa"

pause -1

set terminal postscript color enhanced lw 2
set out "stress_strain.ps"
replot