Ship optimization using viscous flow computations in combination with generic shape variations and Design of Experiments
Author Christian Veldhuis, Tomasz Gornicz and Thomas Scholcz
Title Ship optimization using viscous flow computations in combination with generic shape variations and Design of Experiments
Conference/Journal 13th International Symposium on Practical Design of Ships (PRADS), Copenhagen, Denmark
Paper no. ID080
Month September
Year 2016

Abstract
This paper discusses a procedure to optimize ship hull forms for minimum required power and best wake field quality, based on viscous flow computations. This research elaborates on an earlier optimization at MARIN (Van der Ploeg and Raven, 2010 and Van der Ploeg, Starke and Veldhuis, 2013). That optimization lead to a clear Pareto front and trends for a systematic variation study for the afterbody of a chemical tanker. In 2016, new steps are taken to ease and generalize the method of hull shape generation. In the previous study the design space was set up by means of ‘manually’ designed basis hull shapes. In the new approach we test the use of generic basis hull shapes which are automatically generated from one initial hull shape. If effective, this approach can speed up the design process significantly. Finally, we want to improve the process even further by using a Design of Exper-iments approach in which the systematic variations are re-placed by a more clever distribution of calculations over the design space.

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