Wa3=3e-3;
Wa2=-3e-2;
Wa1=-3.05e-3;
Wb3=0;
Wb2=3e-2;
Wb1=5e-5;
q1=16.60;
d0=0.55;
u0=15.55;% 14.4
V=2900;
kest=8e8;
pk1=6.35;
pk2=10.25;
k1=1;
k2=1;