Influence of inland vessel stern shape aspects on propulsive performance

Rotteveel, E.

doi:10.4233/8d8c14e3-cdfb-4e15-8314-35dc296fdbde

Influence of inland vessel stern shape aspects on propulsive performance

Derivation of insights and guidelines based on a computational study

Doctoral thesis (2019)

Authors

E. Rotteveel Ship Design, Production and Operations - Mechanical, Maritime and Materials Engineering

Research Group

Ship Design, Production and Operations (Mechanical, Maritime and Materials Engineering) (TU Delft)

DOI: https://doi.org/10.4233/uuid:8d8c14e3-cdfb-4e15-8314-35dc296fdbde

Feature selection Optimisation Propulsion Ship design Inland navigation Ship hydrodynamics Shallow water Computational fluid dynamics (CFD) Response surface methodology

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Published Date

2019

Language

English

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Faculty

Mechanical, Maritime and Materials Engineering

Department

Marine and Transport Technology

Research Group

Ship Design, Production and Operations

Abstract

This research focuses on identifying the most important stern shape aspects, with regard to resistance and propulsion power, of inland ships. Such information should help designers to determine which hull form aspect to adjust in case design requirements need them to do so. The information is obtained by firstly conducting a large series of CFD calculations, using the PARNASSOS code, for systematically varied inland ships. Next, response surface technologies are used to identify the most important aspects. This is done by sequentially adding and/or removing parameters from the response surface in order to find the combination of parameters that explains the majority of the variance in the performance data for the tested hull forms. Finally, an optimization algorithm is used to determine the optimal hull forms for varying displacement, showing which parameters should be adjusted preferably in order to increase (or decrease) ship displacement. This, specifically, should aid designers in making the trade-off between displacement (or cargo capacity) and energy consumption.

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