Shipping in ice-covered regions has gained high attention within recent years. Analogous to weather routing, the occurrence of ice in a seaway affects the selection of the optimal route with respect to the travel time or fuel consumption. The shorter, direct path between two points—which may lead through an ice-covered area—may require a reduction of speed and an increase in fuel consumption. A longer, indirect route, could be more efficient by avoiding the ice-covered region. Certain regions may have to be avoided completely, if the ice thickness exceeds the ice-capability of the ship. The objective of this study is to develop a computational method that combines coastline maps, route cost information (e.g., ice thickness), transport task, and ship properties to find the optimal route between port of departure, A, and port of destination, B. The development approach for this tool is to formulate the transport task in the form of a potential problem, solve this equation with a finite element method (FEM), and apply line integration and optimization to determine the best route. The functionality of the method is first evaluated with simple test problems and then applied to realistic transport scenarios.
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December 2017
Research-Article
A Finite Element Method-Based Potential Theory Approach for Optimal Ice Routing
Henry Piehl,
Henry Piehl
Department of Marine Technology,
Norwegian University of Science and
Technology, NTNU,
Trondheim 7491, Norway
e-mail: henry.piehl@ntnu.no
Norwegian University of Science and
Technology, NTNU,
Trondheim 7491, Norway
e-mail: henry.piehl@ntnu.no
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Aleksandar-Saša Milaković,
Aleksandar-Saša Milaković
Department of Marine Technology,
Norwegian University of Science and
Technology, NTNU,
Trondheim 7491, Norway
Norwegian University of Science and
Technology, NTNU,
Trondheim 7491, Norway
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Sören Ehlers
Sören Ehlers
Department of Ship Structural
Design and Analysis,
Hamburg University of Technology, TUHH,
Hamburg 21073, Germany
Design and Analysis,
Hamburg University of Technology, TUHH,
Hamburg 21073, Germany
Search for other works by this author on:
Henry Piehl
Department of Marine Technology,
Norwegian University of Science and
Technology, NTNU,
Trondheim 7491, Norway
e-mail: henry.piehl@ntnu.no
Norwegian University of Science and
Technology, NTNU,
Trondheim 7491, Norway
e-mail: henry.piehl@ntnu.no
Aleksandar-Saša Milaković
Department of Marine Technology,
Norwegian University of Science and
Technology, NTNU,
Trondheim 7491, Norway
Norwegian University of Science and
Technology, NTNU,
Trondheim 7491, Norway
Sören Ehlers
Department of Ship Structural
Design and Analysis,
Hamburg University of Technology, TUHH,
Hamburg 21073, Germany
Design and Analysis,
Hamburg University of Technology, TUHH,
Hamburg 21073, Germany
1Corresponding author.
Contributed by the Ocean, Offshore, and Arctic Engineering Division of ASME for publication in the JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING. Manuscript received June 10, 2016; final manuscript received June 7, 2017; published online August 8, 2017. Assoc. Editor: Marcelo R. Martins.
J. Offshore Mech. Arct. Eng. Dec 2017, 139(6): 061502 (7 pages)
Published Online: August 8, 2017
Article history
Received:
June 10, 2016
Revised:
June 7, 2017
Citation
Piehl, H., Milaković, A., and Ehlers, S. (August 8, 2017). "A Finite Element Method-Based Potential Theory Approach for Optimal Ice Routing." ASME. J. Offshore Mech. Arct. Eng. December 2017; 139(6): 061502. https://doi.org/10.1115/1.4037141
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