Representation of linear terrain features in a 2D flood model with regular Cartesian mesh
M Altinakar, M McGrath, Y Ozeren… - World Environmental and …, 2009 - ascelibrary.org
World Environmental and Water Resources Congress 2009: Great Rivers, 2009•ascelibrary.org
Highly transient floods resulting from the failure of dams and levees can lead to loss of life
and property damage. Two-dimensional (2D) numerical simulations that use modern shock-
capturing schemes are particularly suited to simulate these mixed-regime floods for flood
mapping, consequence analysis and emergency management planning. The Digital
Elevation Models (DEM) are often used as a regular computational mesh. Unfortunately,
linear terrain features, such as road and railroad embankments and dikes, which may …
and property damage. Two-dimensional (2D) numerical simulations that use modern shock-
capturing schemes are particularly suited to simulate these mixed-regime floods for flood
mapping, consequence analysis and emergency management planning. The Digital
Elevation Models (DEM) are often used as a regular computational mesh. Unfortunately,
linear terrain features, such as road and railroad embankments and dikes, which may …
Highly transient floods resulting from the failure of dams and levees can lead to loss of life and property damage. Two-dimensional (2D) numerical simulations that use modern shock-capturing schemes are particularly suited to simulate these mixed-regime floods for flood mapping, consequence analysis and emergency management planning. The Digital Elevation Models (DEM) are often used as a regular computational mesh. Unfortunately, linear terrain features, such as road and railroad embankments and dikes, which may influence flood patterns, are not adequately captured in DEMs. This study describes a two-sided cut-cell boundary method for representing linear terrain features on a regular Cartesian mesh. The proposed method is briefly described and some test simulations are presented.
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