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Management of the Effects of Coastal Storms

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Computational Color Science

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Recurrent Event Modeling Based on the Yule Process

Application to Water Network Asset Managment

Yves Le Gat, National Research Institute of Science and Technology for Environment and Agriculture (IRSTEA), France

ISBN: 9781848218918

Publication Date: December 2015   Paperback   142 pp.

100.00 USD

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This book presents research work into the reliability of drinking water pipes.
The infrastructure of water pipes is susceptible to routine failures, namely leakage or breakage, which occur in an aggregative manner in pipeline networks. Creating strategies for infrastructure asset management requires accurate modeling tools and first-hand experience of what repeated failures can mean in terms of socio-economic and environmental consequences.
Devoted to the counting process framework when dealing with this issue, the author presents preliminary basic concepts, particularly the process intensity, as well as basic tools (classical distributions and processes).
The introductory material precedes the discussion of several constructs, namely the non-homogeneous birth process, and further as a special case, the linearly extended Yule process (LEYP), and its adaptation to account for selective survival. The practical usefulness of the theoretical results is illustrated with actual water pipe failure data.


1. Introduction.
2. Preliminaries.
3. Non-homogeneous Birth Process.
4. Linear Extension of the Yule Process.
5. LEYP Likelihood and Inference.
6. Selective Survival.
7. LEYP2s Likelihood and Inference.
8. Case Study Application of the LEYP2s Model.
9. Conclusion and Outlook.

About the Authors

Yves Le Gat is a Civil Engineer and Researcher at the National Research Institute of Science and Technology for Environment and Agriculture (IRSTEA), a French governmental institution under the joint supervision of the French ministries in charge of research and agriculture.


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