1D Bridges: Difference between revisions
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=Introduction=
The following section looks at bridges using the 1D component of TUFLOW, for information on bridges in the 2D domain please see the following section on [[TUFLOW_2D_Hydraulic_Structures | 2D hydraulic Structures]] and [[Tutorial_Module06#Bridge_Modelling_Option_3:_2D_Layered_Flow_Constriction | Module 6]]. <br><br>
1D Bridge channels do not require length, Manning's n, divergence or bed slope (so they are effectively zero-length channels). As a typical rule-of-thumb, if the channel up stream &/or downstream of the bridge is modeled in 1D then the bridge should also be modeled in 1D. Ideally any change in the channel from ESTRY 1D to 2D or vice-versa should also occur at a structure (i.e. bridge, culvert, etc) to facilitate the transition in solution schemes. The images below displays a typical preferred setup, however as is the case with hydraulic modeling your particular model situation may be different and therefore not always conform to these ideals.<br>
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