TUFLOW 1D Channels and Hydraulic Structures: Difference between revisions
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| style="text-align:center;" | '''A'''
| rowspan="2" style="text-align:center;" | Inlet || Upstream of culvert inlet || Zero length CF, IF or RF channel before culvert || rowspan="5" | Set to net flow area<sup>1</sup> (or use %blockage) ||''K_t*'' || style="text-align:center;" | — || 0.0 (or 0.001)<sup>4</sup> || Sec. 12.5.6, Eq. 12.1 & 12.2
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| style="text-align:center;" | '''B''' || At culvert inlet || Losses/blockage applied to culvert ||''K_t'' (if ''K_t'' > ''K_e'') || 0.0 (or 0.001)<sup>4</sup> || style="text-align:center;" | — || Sec. 12.5.6, Eq. 12.3 – 12.5
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| style="text-align:center;" | '''C'''
| rowspan="3" style="text-align:center;" | Outlet || Clean screen at outlet || rowspan="3" | Zero length CF, IF or RF channel after culvert ||''C_d A_r'' (''C_d'' ≈ 1.5 round bars, 1.9 rectangular bars) || style="text-align:center;" | — || ''K_exit'' || Sec. 12.5.7, Eq. 12.8
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| style="text-align:center;" | '''D''' || Partially blocked screen at outlet || rowspan="2" |''K_t*''|| rowspan="2" style="text-align:center;" | — || 1.0 || Sec. 12.5.7, Eq. 12.9
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# Net flow area should account for the effect of screen bars and any debris blockage.
# Values of ''K_t'', ''K_t*'', ''C_d'', ''A_r'', and ''K_exit'' should be obtained from the relevant QUDM equations and tables.
#
# Attribute set to 0 (or 0.001 if a value of 0.0 sets this to the default value). <br><br>
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