Overview
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To meet the competition from new shipbuilding nations more efficient ships have to be produced in shorter time. Today's ship design processes still follow a 'trial and error' methodology unsuitable for this market's growing demand. Considering this a critical limitation to shipyards' competitiveness, major players of the European shipbuilding community contributed their expertise so as to significantly improve their design approach.
Focusing on geometric modelling and hydrodynamic analysis as the two decisive components, a new 'functional design' process had to be introduced which would allow the efficient generation, systematic variation, effective flow analysis and rational evaluation of ship hull forms. Aiming at hull form optimisation at both the early and the refined design stage, innovative parametric modelling techniques have been developed, established numerical solution methods have been enhanced and existing optimisation procedures have been supplied. An open and modular system integrating all necessary tools has been implemented and applied in model basins and shipyards.
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The proposed project aimed at contributing to two major objectives:
- Improvement of the global quality of ships designed and built inEurope, with respect to the ships' transport mission (higher, speed, comfort, safety, etc.) and environmental impact (lower energy consumption, reduced risk of damages to the environment, etc.).
- Increase of European shipbuilding competitiveness in order to successfully compete with ship production sites benefitting from low labour cost and currency devaluation.
This was accomplished through a tangible increase of design efficiency, through two main technical objectives:
- Considerable decrease of the time required for early design, in order to to achieve the aim of one week ship design objective needed by shipyards to make competitive bids
- Significantly improve refined shape optimisation based on the integration of parametric hull modelling techniques and advanced flow simulation methods within a new 'functional' design process.
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The work consisted of developing, implementing and applying technologies that were prone to give European ship designers the necessary means to more easily produce and investigate a substantial number of design variants, to explore the feasible design space more effectively and to evaluate the design quality more efficiently. The project was made of five work packages - three of which were oriented toward the development of key technologies (WP1, WP2 and WP3), one toward specification and application (WP4) and one toward management and exploitation (WP5).
Funding
Results
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The FANTASTIC project has demonstrated the use of parametric hullform modelling based on various tools such as FRIENDSHIP or parametricNAPAintegrated into an automatic optimisation environment.