elongation(eps_almansi) = 1./sqrt(1. - 2.*eps_almansi)
eps_log(eps_almansi) = log(elongation(eps_almansi))


set title "SIG11 - def log"
set xlabel "def log"
set ylabel "SIG11"
p "test_Maxwell_non_lineaire_E_mu_princ.maple" u (eps_log($5)):19 t 'sim' w l lt 1 lc 0 lw 3
pause -1

set title "SIG11 - temps"
set xlabel "temps"
set ylabel "SIG11"
p "test_Maxwell_non_lineaire_E_mu_princ.maple" u 1:19 t 'sim' w l lt 1 lc 0 lw 3
pause -1

set title "def log - temps"
set xlabel "temps"
set ylabel "def log"
p "test_Maxwell_non_lineaire_E_mu_princ.maple" u 1:(eps_log($5)) t 'sim' w l lt 1 lc 0 lw 3
pause -1

