New Ways in Municipal Flood Mitigation: a Mixed-Integer Programming Approach and its Practical Application

Jan Boeckmann () and Clemens Thielen ()
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Jan Boeckmann: Weihenstephan-Triesdorf University of Applied Sciences
Clemens Thielen: Weihenstephan-Triesdorf University of Applied Sciences

SN Operations Research Forum, 2023, vol. 4, issue 4, 1-68

Abstract: Abstract Adapting to the consequences of climate change is one of the central challenges faced by humanity in the next decades. One of these consequences are intense heavy rain events, which can cause severe damage to buildings due to flooding. In this paper, we present the first use of optimization techniques that scales well enough to be applicable for supporting decision-making in planning precautionary measures for flash floods caused by heavy rain events in realistic scenarios. Our mixed-integer programming model has been implemented as an innovative decision support tool in the form of a web application, which has already been used by more than 30 engineering offices, municipalities, universities, and other institutions. The model aims to minimize the damage caused in the case of a heavy rain event by taking best-possible actions subject to a limited budget and constraints on the cooperation of residents. We further present an efficient, graph-based representation and preprocessing of the surface terrain, a combinatorial algorithm for computing an initial solution of the mixed-integer program, and computational results obtained on real-word data from different municipalities.

Keywords: Mixed-integer programming; Flood mitigation; Graph algorithms (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s43069-023-00246-z

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