滑坡推力计算
v0.1.3计算方法:GB50007-2011公式6.4.3
$$ F_n = F_{n-1} \psi + \gamma_t G_{nt} - G_{nn} tan\varphi_n - c_n l_n $$ $$ \psi = cos(\beta_{n-1} - \beta_n) - sin(\beta_{n-1} - \beta_n) tan\varphi_n $$
计算结果:
uv/pv:/