1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
| x = [1,1666,16666,100000,200000,300000,400000,500000,700000,1000000,2000000,3000000,4000000,7000000,10000000,20000000,30000000,40000000,50000000,80000000,100000000,200000000,300000000,400000000,700000000,1000000000,10000000000]
y = [333.487953502046,333.487953502046,252.023589004762,144.841143106185,134.316479532823,128.773084241854,125.091228664023,122.370855728624,118.481010326472,114.620454409826,107.826945429572,104.248768756484,101.872187428479,97.605392834564,95.113463177554,90.728357283851,88.418699099329,86.884652288088,85.751207659768,83.515504894025,82.521999403873,79.691480778685,78.200631830545,77.210428132759,75.432666212810,74.394402580963,69.148163438073]
sig_eq_Goodman = (Rm*sig_dyn)/(Rm-(sig_stat/alpha_G))
if sig_eq_Goodman > y[0]:
N_cycle = 0
elif sig_eq_Goodman < y[-1]:
N_cycle = 1.0E+10
else:
i=1
len_y = len(y)
while (y[i] > sig_D):
if i >= len_y: break #au cas ou i deviendrait "out of range"
if (sig_eq_Goodman < y[i]) and (sig_eq_Goodman > y[i+1]):
N_cycle = x[i+1]-((y[i+1]-sig_eq_Goodman)*(x[i+1]-x[i])/(y[i+1]-y[i]))
break
i=i+1
print ('N_cycle : %E\n'%(N_cycle)) |
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