Multidimensional Numerical Modeling of Surges Over Initially Dry Land

Abstract

For modelers evaluating the impact of dam, levee and structure failures the need is to be able to determine the flood height and timing. A two-dimensional (2-D) model needs to be able to reproduce this flood wave along the channel and over dry ground. This report details the testing of the 2-D shallow-water module of the ADaptive Hydraulics (ADH) model for surges over initially dry ground. ADH utilizes an unstructured computational mesh that is automatically refined. Other modules in ADH include three-dimensional (3-D) Navier Stokes (with and without the hydrostatic pressure assumption) and groundwater flow. Testing is conducted in comparison to physical flume results for two test cases. The first test case is for a straight flume and the second contains a reservoir and a horseshoe channel section. It is important that the model match the timing of the surge as well as the height In both cases the ADH compared closely with the flume results.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 2004
Accession Number
ADA427993

Entities

People

  • L. M. Lee
  • R. C. Berger

Organizations

  • Engineer Research and Development Center

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Applied Mathematics
  • Army
  • Army Corps Of Engineers
  • Coefficients
  • Differential Equations
  • Engineers
  • Equations
  • Equations Of Motion
  • Flow
  • Hydraulics
  • Model Tests
  • Numbers
  • Parallel Computing
  • Parallel Processing
  • Shallow Water
  • Three Dimensional
  • Two Dimensional

Readers

  • Computational Fluid Dynamics (CFD)
  • Hydraulic Engineering.
  • Riverine Ecology