Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/61876
Type: Journal article
Title: Modal analysis of a small ship sea keeping trial
Author: Metcalfe, A.
Maurits, L.
Svenson, T.
Thach, R.
Hearn, G.
Citation: Australia and New Zealand Industrial and Applied Mathematics (ANZIAM) Journal, 2005; 47:C915-C933
Publisher: Australian Mathematical Society
Issue Date: 2005
ISSN: 1446-1811
Statement of
Responsibility: 
Metcalfe A., Maurits L., Svenson T., Thatch R. and Hearn, G.E.
Abstract: Data from sea keeping trials of a Scottish trawler are analyzed. The trawler sailed an octagonal course, each leg took over 20 minutes and data recorded twice a second. The natural frequencies of vibration for each of the six rigid body modes are estimated from the heave, surge, sway, pitch, yaw and roll time series. The time series are investigated for evidence of non-linearity. A time domain model is fitted to a roll time series, and second order amplitude response functions are then obtained using autoregressive estimators.
Rights: Copyright (c) Australian Mathematical Society
Published version: http://anziamj.austms.org.au/ojs/index.php/ANZIAMJ/article/view/1082
Appears in Collections:Applied Mathematics publications
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