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TUFLOW 2D Hydraulic Structures: Difference between revisions

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The combined form loss coefficient can be estimated using different approaches, which can be individually specified by the 2d_lfcsh Shape_Options attribute, or globally specified by command: <br>
<font color="blue">Layered FLC Default Approach</font> <font color="red">==</font> [ CUMULATEMETHOD A| {PORTIONMETHOD B} | METHOD C ] <br>
*CUMULATEMETHOD A (Methodpreviously Anamed CUMULATE): the losses are accumulated as the water level rises through the layers according to the following equation.
<ol>
[[File:Eq_flc_cumulate.png |450px]]
</ol>
*PORTIONMETHOD B (Methodpreviously Bnamed PORTION): the losses are applied pro-rata according to the depth of water in each layer using the equation below.
<ol>
[[File:Eq_flc_portion.png |430px]]
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!colspan="3" style="background-color:#005581; font-weight:bold; color:white;"|Form Loss Approach
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! style="background-color:#005581; font-weight:bold; color:white;" width=8%| CUMULATEMETHOD A
! style="background-color:#005581; font-weight:bold; color:white;" width=8%| PORTIONMETHOD B
! style="background-color:#005581; font-weight:bold; color:white;" width=8%| METHOD C
|-
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