Zone-based, robust flood evacuation planning

Büttner, Sabine and Goerigk, Marc (2016) Zone-based, robust flood evacuation planning. Working Paper. UNSPECIFIED.

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We consider the problem to evacuate several regions due to river flooding, where suffi- cient time is given to plan ahead. To ensure a smooth evacuation procedure, our model includes the decision which regions to assign to which shelter, and when evacuation orders should be issued, such that roads do not become congested. Due to uncertainty in weather forecast, several possible scenarios are simultaneously considered in a robust optimization framework. To solve the resulting integer program, we apply a Tabu search algorithm based on decomposing the problem into better tractable subproblems. Computational experiments on random instances and an instance based on Kulmbach, Germany, data show considerable improvement compared to an MIP solver provided with a strong starting solution

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12 Feb 2016 09:30
Last Modified:
22 Nov 2022 15:19