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| <math> | | <math> |
| Q=\left\{\begin{matrix} | | Q= |
| 0,& Z\leq Z_{0} \\ | | \left\{\begin{matrix} |
| C_{w}L_{w}\left ( Z-Z_{0} \right )^{1.5} & Z_{0}\leq Z\leq Z_{0}+H_{0}\\ | | 0, & Z\leq Z_{0} \\ |
| C_{d}A_{0}\sqrt{2g\left (Z-Z_{0}-0.5H_{0}\right)} & Z_{0}+H_{0}\leq Z\leq Z_{1}\\ | | C_{w}L_{w}\left ( Z-Z_{0} \right )^{1.5}, & Z_{0}\leq Z\leq Z_{0}+H_{0}\\ |
| C_{w}L_{w}\left ( Z-Z_{1} \right )^{1.5}+C_{d}A_{0}\sqrt{2g\left (Z-Z_{1}\right)} & Z_{1}<Z | | C_{d}A_{0}\sqrt{2g\left (Z-Z_{0}-0.5H_{0}\right)}, & Z_{0}+H_{0}\leq Z\leq Z_{1}\\ |
| | C_{w}L_{w}\left ( Z-Z_{1} \right )^{1.5}+C_{d}A_{0}\sqrt{2g\left (Z-Z_{1}\right)}, & Z_{1}<Z |
| \end{matrix}\right. | | \end{matrix}\right. |
| </math> | | </math> |