TUFLOW 2D Hydraulic Structures: Difference between revisions
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* Thin line features will apply the form loss value to a single row of cells across the waterway. The TUFLOW form loss input should be entered representing the total value (eg. FC = 0.2).
* Polygon features will distribute the form loss between multiple cells across the width of the bridge and across the waterway. Due to this, the TUFLOW form loss input should be entered as the total value per unit width in the direction of flow (eg. FC = 0.2/20m = 0.01).
* Further advice can be found on the <u>[[TUFLOW_FAQ#What_is_the_difference_between_using_polyline_and_polygon_for_2D_bridges_and_when_should_I_use_them.3F | TUFLOW FAQ]]</u> page.
[[File:fcsh_line.PNG|500px]][[File:fcsh_polygon.PNG|500px]]
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