Title: Statistical estimation of uncertainties associated with ship operations in fresh water ice
Language: English
Authors: Cheemakurthy, Harsha 
Zhang, Meng 
Garme, Karl 
Burman, Magnus 
Ehlers, Sören 
von Bock und Polach, Rüdiger Ulrich Franz 
Issue Date: Jun-2018
Source: Proceedings of the International Offshore and Polar Engineering Conference (2018-June): 1608-1615 (2018-06)
Journal or Series Name: Proceedings of the International Offshore and Polar Engineering Conference 
Abstract (english): Operational Time Window (OTW) and its confidence level are important for vessels operating in ice covered waters. This can be evaluated by quantifying all contributing factors in terms of their influence along with respective associated uncertainties. For a case study involving a barge operating in Lake Mälaren, Sweden, five criteria are evaluated, and associated uncertainties are quantified using Variation Mode and Effect Analysis (VMEA) to give individual contribution towards overall uncertainty. Ship resistance due to ice and ice loads dominated over other criteria with highest contributions to uncertainty at 28% and 72% respectively.
URI: http://hdl.handle.net/11420/2447
ISBN: 978-188065387-6
ISSN: 1098-6189
Institute: Konstruktion und Festigkeit von Schiffen M-10 
Type: InProceedings (Aufsatz / Paper einer Konferenz etc.)
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