Modeling the Kinematic Wave Parameters with Regression Methods
Publication: World Environmental and Water Resources Congress 2009: Great Rivers
Abstract
The momentum equation in the kinematic wave model is a power law equation and involves two kinematic wave parameters. It is a common practice to use Manning's equation to calculate the kinematic wave parameters. One can obtain a kinematic wave equation by inserting the momentum equation into the continuity equation. The kinematic wave equation becomes a partial differential equation with kinematic wave parameters that depend on the flow depth. However, working with a partial differential equation comprised of kinematic wave parameters that are independent of the flow depth is a lot more convenient. Here, regression methods were used to calculate the kinematic wave parameters that are independent of the flow depth for a trapezoidal channel cross-section, which is a common cross-section shape. The developed expressions for the kinematic wave parameters provided very good approximation for the momentum equation of the kinematic wave model.
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Information & Authors
Information
Published In
World Environmental and Water Resources Congress 2009: Great Rivers
Pages: 1 - 10
Copyright
© 2009 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
ASCE Technical Topics:
- Analysis (by type)
- Continuity equations
- Continuum mechanics
- Cross sections
- Differential equations
- Dynamics (solid mechanics)
- Engineering fundamentals
- Engineering mechanics
- Equations (by type)
- Fluid dynamics
- Fluid mechanics
- Hydrologic engineering
- Hydrologic models
- Kinematic waves
- Mathematics
- Models (by type)
- Parameters (statistics)
- Regression analysis
- Solid mechanics
- Statistical analysis (by type)
- Statistics
- Water and water resources
- Wave equations
- Waves (mechanics)
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