Hull vibration analysis of a small multipurpose fishing vessel from Newfoundland and Labrador

Auf, Mohamed (2020) Hull vibration analysis of a small multipurpose fishing vessel from Newfoundland and Labrador. Masters thesis, Memorial University of Newfoundland.

[English] PDF - Accepted Version Available under License - The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission. Download (7MB)

Abstract

Regarded as one of the most dangerous industries for workers, commercial fishing is a high-risk industry that provides a living for millions around the world. It is imperative for designers to analyze and obtain practical solutions for the reduction of these unnecessary hazards. The need to quantify and analyze the risk areas onboard fishing vessels has been pressed by authorities worldwide from the increasing number of injuries and fatalities in this industry. Fishing vessels are mainly known for their high levels of vibrations due to their layout and relatively small size. Vibration mitigation on fishing vessels impacts both vessel equipment and onboard crew. Benefits of reduction include protection of sensitive ship equipment and hydro-acoustic apparatus, low noise emitted to the water so as not to scare fish schools, and increased safety of the onboard crew. Fish harvesters working in these vessels are in constant prolonged exposure causing a decrease in comfort levels leading to an unsafe work environment. The approach of this study is to effectively capture the dynamics of a case study fishing vessel in terms of vibrations, providing a practical methodology for designers to implement.

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