Lagrangian Modeling of a Suspended-Sediment Pulse

by David H. Schoellhamer, US Geological Survey, Tampa, FL, USA,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


The one-dimensional Lagrangian Transport Model (LTM) has been applied in a quasi two-dimensional manner to simulate the transport of a slug injection of microbeads in steady experimental flows. A stationary bed segment was positioned below each parcel location to simulate temporary storage of beads on the bottom of the flume. Only one degree of freedom was available for all three bead simulations. The results show the versatility of the LTM and the ability of the LTM to accurately simulate transport of fine suspended sediment.

Subject Headings: Suspended sediment | Simulation models | Mathematical models | Sediment transport | Lagrangian functions | Two-dimensional models | Granular materials | Flumes

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