Flo-2D Software, Inc.

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Description

FLO-2D is a dynamic flood routing model that simulates channel flow, unconfined overland flow and street flow. It simulates a flood over complex topography and roughness while reporting on volume conservation, the key to accurate flood distribution. The model uses the full dynamic wave momentum equation and a central finite difference routing scheme with eight potential flow directions to predict the progression of a flood hydrograph over a system of square grid elements. It is a combined hydrologic and hydraulic model so there is no need to separate rainfall/runoff and channel routing. FLO-2D can be applied to simulate a diverse realm of complex flood problems including: - River overbank flooding - Unconfined alluvial fan and floodplain flows - Urban flooding with street flow, flow obstruction and storage loss - Over progression of tsunami and hurricane storm surges - Mud and debris flows - Watershed rainfall and runoff - Flood insurance studies - Flood mitigation design FLO-2D has a number of components that enhance detailed flood routing including channel-floodplain flow exchange, loss of storage due to buildings, flow obstructions, simulation of hydraulic structures, levee and levee failure, sediment transport, simulation of hyperconcentrated sediment flows (mudflows), rill and gully flow, rainfall and infiltration. FLO-2D is a FEMA approved hydraulic model for riverine studies and unconfined flood analyses...

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