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​The liner shipping network design delivers schedules and routes for ships that continuously visit harbours on a closed round trip. Examples of such ships are container ships that in many cases maintain a weekly harbour visiting frequency. Volker Windeck elaborates a liner shipping network design approach which is not only considering the harbours to be visited, cargo to be transported and number of ships available, but also considers environmental influences. Additionally the revenue contribution of alternative propulsion system can also be analysed. Extensive numerical tests indicate that significant savings are obtained when using this liner shipping network design approach.



Chapter 1. Introduction

Both, reductions of costs as well as emissions are driving shipping companiesto operate their fleet in slow steaming mode. In this thesis a strategic linershipping network design decision support system is presented, which takesthree environmental influences into account: waves, ocean currents and wind.The developed models will show the impact of environmental influences andthe use of additional propulsion systems on the cost structure or the ontimedelivery of a liner shipping network and its schedule.
Volker Windeck

Chapter 2. Maritime Transportation

The aim of this chapter is to introduce the reader to maritime transportation. In the following a short overview on numbers and figures of world trade, oceangoing transportation and especially container ship transportation, which isthe focus of this thesis, is given.
Volker Windeck

Chapter 3. Environmental Routing

Ships are affected by a multitude of environmental influences such as: tides,currents, waves and winds. The choice of a shortest route or path in terms ofe.g. costs, fuel or time between two consecutive harbours or any coordinatesand considering environmental influences for this shortest route, is called environmentalrouting (see Christiansen et al. 2007, p. 265). Data obtainedfrom our operational, environmental routing approach are an important basisto our strategic liner network design.
Volker Windeck

Chapter 4. Strategic Liner Network Design

In this chapter the reader is introduced to the main issue of this thesis: The liner shipping network design which determines the number of ships needed of a specific type to perform round trips and transporting as many cargo as profitable under the assumption of a given fleet of ships. The liner shipping network design is classified according to Christiansen et al. (2007) as a strategic planning task.
Volker Windeck

Chapter 5. Computational Tests

The liner network design model and the Matheuristic used as solving algorithm presented in Chapter 4 will be tested on computational performance in the following. Furthermore, we will show adoptions to the liner network design according to seasons and environmental influences. In addition the influenceof an additional kite propulsion system on the liner shipping networkdesign will be analysed.
Volker Windeck

Chapter 6. Summary and Outlook

In this thesis a liner shipping network design is presented, which is for the first time capable of taking weather data such as wind and waves as well as currents into consideration. Additionally this model allows different speed settings between two consecutive harbours instead of an average assumed speed for a complete round trip.
Volker Windeck


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