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ADVANCED COMPUTER TECHNIQUE FOR HYDRODYNAMIC SHIP OPTIMISATION

Y S Basilevsky, I O Mizin

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Abstract

The paper deals with the application of modern computer methods for improving the hydrodynamic qualities of a ship hull at the pre-contract stage of design. An optimisation approach to hull geometry was used and a re-analysis of resistance calculation methods for semi-displacement ships was carried resulting in a method for defining the hydrodynamic characteristics (residuary resistance coefficient, running trim angle) for semi-displacement ships. A comparison of the calculations with experiments showed a satisfactory agreement.

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What this paper is about

The paper deals with the application of modern computer methods for improving the hydrodynamic qualities of a ship hull at the pre-contract stage of design. An optimisation approach to hull geometry was used and a re-analysis of resistance calculation methods for semi-displacement ships was carried resulting in a method for defining the hydrodynamic characteristics (residuary resistance coefficient, running trim angle) for semi-displacement ships. A comparison of the calculations with experiments showed a satisfactory agreement.

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Available abstract

The paper deals with the application of modern computer methods for improving the hydrodynamic qualities of a ship hull at the pre-contract stage of design. An optimisation approach to hull geometry was used and a re-analysis of resistance calculation methods for semi-displacement ships was carried resulting in a method for defining the hydrodynamic characteristics (residuary resistance coefficient, running trim angle) for semi-displacement ships. A comparison of the calculations with experiments showed a satisfactory agreement.

Key concepts: Hull, Trim, Displacement (psychology), Marine engineering, Engineering, Naval architecture, Computer science, Structural engineering

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