Research Article
Improved Barebones Particle Swarm Optimization with Neighborhood Search and Its Application on Ship Design
Table 5
Model definition of the ship design problem.
| | Parameter | Definition | Parameter | Definition |
| | Steel weight () | | Port cost () | 6.3 | | Outfit weight () | | Fuel carried () | () | | Displacement () | 1.025 | Misc. deadweight (DW) | 2.0 | | Machinery weight () | 0.17 | Cargo deadweight (DW) | DWT− − | | Capital cost () | 0.2 | Port days () | 2 ( + 0.5) | | Running cost () | 40000 | Round trips per year (RTPA) | 350/() | | Daily cost () | | Voyage cost () | () RTPA | | Handling rate () | 8000 (/day) | Round trip miles (RTM) | 5000 (nm) | | Fuel price () | 100 (£/) | Sea days () | RTM/24 | | Power () | | Fuel cost () | | | Froude number () | | | 9.8065 | | Annual cost () | () RTPA | KB | 0.53 | | | BMT | (0.085 − 0.002)/() | | Ship cost () | 1.3 (2000 + 3500 + 2400 ) |
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