Abstract: Scouring refers to the lowering of the level of river bed due to water erosion. Formation of vortices in the vicinity of bridges due to obstruction caused to river flow by piers and ...

River reach: Panchapukuria → Enayethat (~45.8 km) Software: HEC-RAS 6.3 Purpose: Quantify how tidal forces and bridge geometry modify local hydraulics. Upstream discharge (BWDB SW119.1, Panchapukuria) ...

HEC-RAS's finite volume solver involves tightly coupled computational fluid dynamics (CFD) calculations. These calculations are highly interdependent – data from each simulated cell needs to ...