Some recent progress in uncertainty analysis for hydraulic design

Yeou-Koung Tung*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

13 Scopus citations


Hydraulic designs are subject to uncertainties due to randomness of natural phenomena, data sample limitations and errors, modeling reliability, and operational variability. Uncertainties can be measured in terms of the probability density function, confidence interval, or statistical moments, such as standard deviation, or coefficient of variation, of the stochastic parameters. Analysis of parameter uncertainties is essential for a satisfactory reliability analysis of a hydraulic design. In this paper, several methods that are useful for uncertainty analysis in hydraulic design are briefly introduced. They include first-order variance estimation method, Rosenblueth two-point procedure, simulation, and integral techniques.

Original languageEnglish
Title of host publicationReliability and Uncertainty Analyses in Hydraulic Design
PublisherPubl by ASCE
Number of pages18
ISBN (Print)0872629937
StatePublished - 1 Dec 1993

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