Friday, August 9, 2013

SWMM 5 Inlet Control Culvert Equations

Subject:   SWMM 5 Inlet Control Culvert Equations

The newer option for SWMM 5 culverts uses three culvert classifications and associated equations to compute the inletcontrolled flow into a culvert using the FHWA (1985) equations.  The culvert code in the culvert.c code of SWMM 5 uses:

1.   Two Equations for Unsubmerged culvert flow,
2.   One Equation for the Transition flow, and
3.   One Equation for Submerged flow.

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