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Title: Resilience of complex urban lifeline systems
Authors: Zheng, Yi Peng
Keywords: Engineering::Civil engineering::Structures and design
Issue Date: 2020
Publisher: Nanyang Technological University
Project: TR-01
Abstract: Urban lifeline systems are vital and of utmost importance to the functionality of any city. These systems, consisting of power grid, water pipeline, communications line, transport network, and gas line, are seemingly interdependent to form the skeleton of our modern urban cities. This Final Year Project (FYP) aims to investigate complex urban lifeline systems, with its focus on water distribution system (WDS). There are several uncertainties sources that will affect the functioning of WDS. Water demand due to changing environment scenarios such as population increase, and urbanisation are some of the sources of uncertainties in WDS design. It is important to recognize probable triggering events in overloading or breakage leading to failure of system scenario. This analysis helps us gather data such that it allows us to be able to be prepared in time of crisis, it further allows better planning from governing authorities. It is necessary to understand and model the efficiency and resilience of the network to these uncertainties to ensure that the performance of WDS remains efficient in the future. In order to analyse the resilience of WDS, a generalised resilience analysis framework was proposed. This study involves finding the correlation between network design and the efficiency of network recovery in WDS networks. The WDS networks were tested with various simulations with the help of MATLAB and EPANET 2.0 to know the effects on the water distribution systems under the influence of demand surge due to varying reasons. The sensitive analysis helped to quantify the resilience of WDS in a fully functional city. These results could be used for enhancing WDS designs to cope with future uncertainties.
Schools: School of Civil and Environmental Engineering 
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:CEE Student Reports (FYP/IA/PA/PI)

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