L1 24[m] "Length of the dam (left)"
L2 5[m] "Length of the dam (top)"
L3 24[m] "Length of the dam (right)"
L4 12[m] "Height of the dam"
Hw 10[m] "Water level"
Hs 4[m] "Possible seepage level"
E_soil 100[MPa] "Young's modulus"
nu_soil 0.4 "Poisson's ratio"
rho_soil 2000[kg/m^3] "Soil density"
rho_wat 1000[kg/m^3] "Water density"
psi 0.3[1] Porosity
c 25[kPa] Cohesion
phi_sat 30[deg] "Friction angle for saturated soil"
phi_un 20[deg] "Friction angle for unsaturated soil"
FOS 1[1] "Factor of safety"