Application of a Generalized Risk Dynamic Model to a Spillway Design Flood

by S. Samuel Lin, VA Div of Soil & Water, Conservation, Richmond, United States,
L. S. Button, Jr., VA Div of Soil & Water, Conservation, Richmond, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


Risk analysis can provide a logical basis for selecting the optimal design capacity of a flow conveyance hydraulic structure for the least total cost or specified non-exceeding risk levels. Decisions concerning design capacity can involve many factors - economic, social, environmental and political. However, only economic factors and hydraulic-hydrologic uncertainties are the focus of this study. For selecting an adequate spillway capacity, the generalized dynamic model is employed for comparison with the static model and the resulting analytical data, extracted from the text Water Resources Engineering, by Linsley and Franzini. The improvements through use of the generalized dynamic model to the method employed in that text are suggested here.

Subject Headings: Dynamic models | Risk management | Spillways | Hydraulic design | Floods | Flow (fluid dynamics) | Hydraulic models | Structural dynamics

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