The detection of wave slamming from vibration measurements on a polar supply and research vessel

The detection of wave slamming from vibration measurements on a polar supply and research vessel

The SA Agulhas II is a polar supply and research vessel, which operates in the stormy Southern ocean and icy Antarctic waters. She is predisposed to problematic stern slamming. Twelve accelerometer channels from a full-scale vibration measurement system were used to capture measurements of wave inci...

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Main Authors: Bekker Anriëtte, van Zijl Christof M., Saunders Clinton F. W.
Format: Article
Language:English
Published: EDP Sciences 2018-01-01
Series:MATEC Web of Conferences
Online Access:https://doi.org/10.1051/matecconf/201821111002
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spelling doaj-0826785b4ba545f0a2b638eb9d92db4f2021-03-02T09:54:09ZengEDP SciencesMATEC Web of Conferences2261-236X2018-01-012111100210.1051/matecconf/201821111002matecconf_vetomacxiv2018_11002The detection of wave slamming from vibration measurements on a polar supply and research vesselBekker Anriëttevan Zijl Christof M.Saunders Clinton F. W.The SA Agulhas II is a polar supply and research vessel, which operates in the stormy Southern ocean and icy Antarctic waters. She is predisposed to problematic stern slamming. Twelve accelerometer channels from a full-scale vibration measurement system were used to capture measurements of wave incidence on the main deck close to the water line. An automated slamming detection and classification algorithm is proposed to extract slamming incidents from expansive full-scale data. This method is based on image processing of scalograms which are produced by continuous transforms, using the Morlet wavelet. Slams are classified based on the time of incidence. It is shown that high crest factor stern slamming occurs as often as twice per minute.https://doi.org/10.1051/matecconf/201821111002
collection DOAJ
language English
format Article
sources DOAJ
author Bekker Anriëtte
van Zijl Christof M.
Saunders Clinton F. W.
spellingShingle Bekker Anriëtte
van Zijl Christof M.
Saunders Clinton F. W.
The detection of wave slamming from vibration measurements on a polar supply and research vessel
MATEC Web of Conferences
author_facet Bekker Anriëtte
van Zijl Christof M.
Saunders Clinton F. W.
author_sort Bekker Anriëtte
title The detection of wave slamming from vibration measurements on a polar supply and research vessel
title_short The detection of wave slamming from vibration measurements on a polar supply and research vessel
title_full The detection of wave slamming from vibration measurements on a polar supply and research vessel
title_fullStr The detection of wave slamming from vibration measurements on a polar supply and research vessel
title_full_unstemmed The detection of wave slamming from vibration measurements on a polar supply and research vessel
title_sort detection of wave slamming from vibration measurements on a polar supply and research vessel
publisher EDP Sciences
series MATEC Web of Conferences
issn 2261-236X
publishDate 2018-01-01
description The SA Agulhas II is a polar supply and research vessel, which operates in the stormy Southern ocean and icy Antarctic waters. She is predisposed to problematic stern slamming. Twelve accelerometer channels from a full-scale vibration measurement system were used to capture measurements of wave incidence on the main deck close to the water line. An automated slamming detection and classification algorithm is proposed to extract slamming incidents from expansive full-scale data. This method is based on image processing of scalograms which are produced by continuous transforms, using the Morlet wavelet. Slams are classified based on the time of incidence. It is shown that high crest factor stern slamming occurs as often as twice per minute.
url https://doi.org/10.1051/matecconf/201821111002
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AT bekkeranriette detectionofwaveslammingfromvibrationmeasurementsonapolarsupplyandresearchvessel
AT vanzijlchristofm detectionofwaveslammingfromvibrationmeasurementsonapolarsupplyandresearchvessel
AT saundersclintonfw detectionofwaveslammingfromvibrationmeasurementsonapolarsupplyandresearchvessel
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