What is Gradually Varied Flow (GVF)? | Water Surface Profiles in Open Channels | Step-by-step

Gradually Varied Flow (GVF) is a type of non-uniform flow in open channels where the water surface gradually changes due to variations in channel slope, bed roughness, and discharge. Understanding GVF is crucial for designing hydraulic structures, predicting water surface profiles, and analyzing flow behavior in natural and artificial channels. In this video, we explain the classification of water surface profiles, the governing equations, and practical applications of GVF in civil engineering and hydrology. Stay tuned for an in-depth discussion with real-world examples!

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Gradually Varied Flow Gradually Varied Flow Gradually Varied Flow
Water Surface Profiles Water Surface Profiles Water Surface Profiles
GVF GVF GVF
Open Channel Flow Open Channel Flow Open Channel Flow
Hydraulic Engineering Hydraulic Engineering Hydraulic Engineering