Sea Technology

MAR 2018

The industry's recognized authority for design, engineering and application of equipment and services in the global ocean community

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10 ST | March 2018 www.sea-technology.com T he naval architecture and marine engineering com- pany Foreship has been leading the field in applying "in-wave" analysis to factor real sea states into hull form optimization. Notably, it has used CFD analysis to sup- port a case for the superior performance of bows featur- ing vertical stems over their bulbous counterparts at far lower wave heights than has previously been acknowl- edged. Real sea states have also provided useful input for finite element method software when considering slam- ming and structural design issues. However, CFD methods are only one part of Foreship's strategy designed to introduce real-world experience at an early stage in ship design. The Finnish company's con- tinuing discussions with core cruise ship customers has been pushing forward with a completely new operability analysis and voyage simulation initiative to secure per- formance gains at the early design stages. Foreship is optimizing the ship design for the best per- formance in real operational conditions. Performance in this case means fuel consumption and comfort on board. Optimizing the Ship-Building Process Voyage Simulations, Historical Data Improve Vessel Design By Matthew Patey This map shows the plotting of the initial route for a voyage simulation, along with allowed route deviation boundaries and wind and wave conditions at the current location of the vessel. This is used to set up the voyages for the simulations, which are then run using Foreship's customized routines in NAPA software.

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