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HEC-RAS version 5.0.3 includes several boundary condition types for 2D flow areas. Flow and stage hydrographs are typically used to input flows to the 2D area. The rating curve and normal depth boundary conditions are available where flow is leaving the 2D area. There is also a precipitation boundary condition, which can be used to apply time series of rainfall excesses to the 2D elements. This article focuses on the flow hydrograph boundary condition.

A flow hydrograph boundary condition is created by: (1) drawing a boundary condition line along the edge of the 2D area, (2)...

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Tags2-D Modeling,

We are pleased to announce that Kelly Dillard was selected as Engineer of the Year by the Fort Worth Chapter of the Texas Society of Professional Engineers (TSPE). Kelly Dillard, P.E., CFM, ENV SP, is a firm Principal and Practice Leader of the Stormwater Management Group. She also leads the Freese and Nichols Sustainability Committee. Kelly was nominated...

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