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Continuous Time Dynamic Contraflow Models and Algorithms

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  • Urmila Pyakurel
  • Tanka Nath Dhamala

Abstract

The research on evacuation planning problem is promoted by the very challenging emergency issues due to large scale natural or man-created disasters. It is the process of shifting the maximum number of evacuees from the disastrous areas to the safe destinations as quickly and efficiently as possible. Contraflow is a widely accepted model for good solution of evacuation planning problem. It increases the outbound road capacity by reversing the direction of roads towards the safe destination. The continuous dynamic contraflow problem sends the maximum number of flow as a flow rate from the source to the sink in every moment of time unit. We propose the mathematical model for the continuous dynamic contraflow problem. We present efficient algorithms to solve the maximum continuous dynamic contraflow and quickest continuous contraflow problems on single source single sink arbitrary networks and continuous earliest arrival contraflow problem on single source single sink series-parallel networks with undefined supply and demand. We also introduce an approximation solution for continuous earliest arrival contraflow problem on two-terminal arbitrary networks.

Suggested Citation

  • Urmila Pyakurel & Tanka Nath Dhamala, 2016. "Continuous Time Dynamic Contraflow Models and Algorithms," Advances in Operations Research, Hindawi, vol. 2016, pages 1-7, March.
    • Handle: RePEc:hin:jnlaor:7902460
    DOI: 10.1155/2016/7902460
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    Cited by:

    1. Weiqi Hong & Zishu Yang & Xu Sun & Jianyu Wang & Pengpeng Jiao, 2022. "Temporary Reversible Lane Design Based on Bi-Level Programming Model during the Winter Olympic Games," Sustainability, MDPI, vol. 14(8), pages 1-17, April.
    2. Chi Sun & Weiqi Hong & Hao Li & Chenjing Zhou, 2022. "Lane Optimization of Highway Reconstruction and Expansion Work Zone Considering Carbon Dioxide Emission Factors," Sustainability, MDPI, vol. 14(19), pages 1-17, September.
    3. Urmila Pyakurel & Hari Nandan Nath & Stephan Dempe & Tanka Nath Dhamala, 2019. "Efficient Dynamic Flow Algorithms for Evacuation Planning Problems with Partial Lane Reversal," Mathematics, MDPI, vol. 7(10), pages 1-29, October.
    4. Pyakurel, Urmila & Khanal, Durga Prasad & Dhamala, Tanka Nath, 2023. "Abstract network flow with intermediate storage for evacuation planning," European Journal of Operational Research, Elsevier, vol. 305(3), pages 1178-1193.

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