Grid Requirements for Numerical Models Containing Training Works

by R. C. Berger, U.S. Army Engineer Waterways, Experiment Station, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


The numerical modeling of the rapid changes in flow variable in open channel flow systems containing training works, such as dikes, requires special attention in grid development. This investigation uses the truncation error in a finite element representation as an indicator to suggest grid expansion rates, orientation and skewness in the grid, as well as element type (quadrilateral or triangle).

Subject Headings: Numerical models | Grid systems | Training | Finite element method | Open channel flow | Streamflow | Hydraulic models | Levees and dikes

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