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A RANS modelling approach for predicting powering performance of ships in waves

A RANS modelling approach for predicting powering performance of ships in waves
A RANS modelling approach for predicting powering performance of ships in waves
In this paper, a modelling technique for simulating self-propelled ships in waves is presented. The flow is modelled using a RANS solver coupled with an actuator disk model for the propeller. The motion of the ship is taken into consideration in the definition of the actuator disk region as well as the advance ratio of the propeller. The RPM of the propeller is controlled using a PID-controller with constraints added on the maximum permissible RPM increase rate. Results are presented for a freely surging model in regular waves with different constraints put on the PID-controller. The described method shows promising results and allows for the studying of several factors relating to selfpropulsion. However, more validation data is needed to judge the accuracy of the model
2092-6782
418-430
Winden, Bjorn
8eda22bf-7e38-4601-84fa-3be66ca67f8a
Turnock, Stephen
d6442f5c-d9af-4fdb-8406-7c79a92b26ce
Hudson, Dominic A.
3814e08b-1993-4e78-b5a4-2598c40af8e7
Winden, Bjorn
8eda22bf-7e38-4601-84fa-3be66ca67f8a
Turnock, Stephen
d6442f5c-d9af-4fdb-8406-7c79a92b26ce
Hudson, Dominic A.
3814e08b-1993-4e78-b5a4-2598c40af8e7

Winden, Bjorn, Turnock, Stephen and Hudson, Dominic A. (2014) A RANS modelling approach for predicting powering performance of ships in waves. International Journal of Naval Architecture and Ocean Engineering, 6 (2), 418-430. (doi:10.2478/IJNAOE-2013-0189).

Record type: Article

Abstract

In this paper, a modelling technique for simulating self-propelled ships in waves is presented. The flow is modelled using a RANS solver coupled with an actuator disk model for the propeller. The motion of the ship is taken into consideration in the definition of the actuator disk region as well as the advance ratio of the propeller. The RPM of the propeller is controlled using a PID-controller with constraints added on the maximum permissible RPM increase rate. Results are presented for a freely surging model in regular waves with different constraints put on the PID-controller. The described method shows promising results and allows for the studying of several factors relating to selfpropulsion. However, more validation data is needed to judge the accuracy of the model

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e-pub ahead of print date: June 2014
Published date: June 2014
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 373140
URI: http://eprints.soton.ac.uk/id/eprint/373140
ISSN: 2092-6782
PURE UUID: 7185612c-800e-4c93-884c-76703e180e3f
ORCID for Stephen Turnock: ORCID iD orcid.org/0000-0001-6288-0400
ORCID for Dominic A. Hudson: ORCID iD orcid.org/0000-0002-2012-6255

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Date deposited: 09 Jan 2015 11:41
Last modified: 09 Jan 2022 02:47

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Contributors

Author: Bjorn Winden
Author: Stephen Turnock ORCID iD

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