Average pressure value along the boundary of drainage area A_e
| (1) | p_e = \frac{1}{L_e} \int_0^{L_e} p(x,y,z) dl |
where L_e is the boundary of drainage area A_e
Average pressure value along the boundary of drainage area A_e
| (1) | p_e = \frac{1}{L_e} \int_0^{L_e} p(x,y,z) dl |
where L_e is the boundary of drainage area A_e