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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/4679

Title: Measurements of boat motion in waves at Durban harbour for qualitative validation of motion model
Authors: Mosikare, OR
Theron, NJ
Van de Molen, W
Keywords: Response amplitude operator
Boat angular motion
Power spectral density techniques
Physics
SAIP Conference 2010
Issue Date: Sep-2010
Publisher: SAIP 2010
Citation: Mosikare, OR, Theron, NJ and Van de Molen, W. 2010. Measurements of boat motion in waves at Durban harbour for qualitative validation of motion model. 55th Annual Conference of the South African Institute of Physics (SAIP), CSIR International Convention Centre, Pretoria, 27 September-1 October 2010, pp 1
Series/Report no.: Conference Paper
Abstract: The Response Amplitude Operator (RAO) theory was used to develop a mathematical model of boat angular motion. Measurements were made on a harbour patrol boat on sea runs off Durban Harbour. Measurements were first calibrated for axis alignment and then analysed using power spectral density techniques. An estimated roll radius of gyration of 0.4 times the breadth of the vessel was used in the model. Comparison of the measurements to the model shows some correspondence in the frequencies present in the spectra. Discrepancies arise, however, in the spectral power values. The model could be improved by parameter optimisation.
Description: 55th Annual Conference of the South African Institute of Physics (SAIP), CSIR International Convention Centre, Pretoria, 27 September-1 October 2010
URI: http://hdl.handle.net/10204/4679
Appears in Collections:Advanced mathematical modelling and simulation
General science, engineering & technology

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