Dulcy M. Abraham

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This paper develops a method for allocating a security budget to a water supply network so as to maximize the network's resilience to physical attack. The method integrates max-min linear programming, hydraulic simulation, and genetic algorithms for constraint generation. The objective is to find a security allocation that maximizes an attacker's marginal(More)
Significant concerns exist over the ability of the healthcare and public health systems to meet the surge demands that would result from an event such as an influenza pandemic. Current guidance for public health planners is largely based on expert opinion and may lack connection to the problems of street-level public health practice. To identify the(More)
Since September 11, 2001, protecting the na-tion's water infrastructure and improving water network resiliency have become priorities in the water industry. In this work, we develop methods to mitigate the consequences of water shortage resulting from destruction of facilities in water networks. These methods integrate search techniques, such as(More)
Discusses the application of computer simulation for the analysis of productivity of breakwater construction. Data collected from the first stage of the South Star Project in Taiwan is used in modeling and analysis. The South Star project involves embanking land from the sea, using industrial waste as deposits and expanding the seashore line as well as(More)