Optimization of ship hull forms by changing CM and CB coefficients to obtain optimal seakeeping performance
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View abstract on PubMed
Summary
This summary is machine-generated.Optimizing ship hull design using block coefficient (CB) and midship coefficient (CM) significantly impacts patrol vessel pitch motion and motion sickness. These coefficients are crucial for enhancing seakeeping performance.
Area Of Science
- Naval Architecture
- Marine Engineering
- Hydrodynamics
Background
- Ship hull design requires continuous optimization for safety, economic, and technical efficiency.
- Existing research provides significant conclusions but requires further refinement in hull optimization.
Purpose Of The Study
- To optimize a patrol vessel's hull form by incorporating block coefficient (CB) and midship coefficient (CM).
- To analyze the impact of CB and CM on the vessel's seakeeping performance using multi-objective optimization.
Main Methods
- Hull form generation using a fuzzy model.
- Seakeeping analysis conducted via strip theory.
- Multi-objective optimization applied to CB and CM.
Main Results
- CB and CM significantly influence pitch motion and the motion sickness index.
- Heave, roll motions, and added resistance were not significantly affected by CB and CM.
- Hull form parameter increases led to higher maximum Response Amplitude Operator (RAO) for heave and roll.
- Frequency of maximum roll RAO correlated directly with CB and CM.
Conclusions
- Selected CB and CM coefficients based on patrol vessel seakeeping performance.
- Findings offer guidance for shipbuilders to improve vessel seakeeping.
- Optimization of CB and CM is key for enhancing specific seakeeping metrics in patrol vessels.
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