https://www.usgs.gov/publications/general-implicit-representation-hydraulic-structures-numerical-flow-models
Effects of hydraulic structures (such as culverts, bridge openings, or gates) can be simulated in numerical surface-water-flow models. Generally the scale and...
hydraulic structuresgeneralimplicitrepresentationnumerical
https://www.tugraz.at/en/institutes/iwb/research/safety-of-hydraulic-structures
This is the page 'Safety' of the website 'Hydraulic Engineering and Water Resources Management'.
hydraulic structuresiwbsafety