Onboard sea state estimation based on measured ship motions

Ulrik Dam Nielsen; David C. Stredulinsky

Onboard sea state estimation based on measured ship motions

Ulrik Dam Nielsen, David C. Stredulinsky

Department of Mechanical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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Abstract

It is possible to obtain estimates of the sea state at the specific position of an advancing vessel by processing measurements of the vessel’s wave-induced responses. The analogy to a wave rider buoy is clear, although the situation of an advancing ship is more complex due to forward speed. The paper studies the ‘wave buoy analogy’, and a large set of full-scale motion measurements is considered. It is shown that the wave buoy analogy gives fairly accurate estimates of sea state parameters when compared to estimates from real wave rider buoys.

Original language	English
Title of host publication	Proceedings of the 12th International Ship Stability Workshop
Publication date	2011
Publication status	Published - 2011
Event	International Ship Stability Workshop - Washington,D.C. Duration: 1 Jan 2011 → … Conference number: 12

Conference

Conference	International Ship Stability Workshop
Number	12
City	Washington,D.C.
Period	01/01/2011 → …

Bibliographical note

Hosted by NSWCCD (David Taylor Model Basin) and the SNAME Chesapeake Section

Keywords

Avancing ship
Sea state estimation
Dcision support systems
Motion measurements

Access to Document

ISSW 2011 UDNSubmitted manuscript, 283 KB

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Cite this

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title = "Onboard sea state estimation based on measured ship motions",

abstract = "It is possible to obtain estimates of the sea state at the specific position of an advancing vessel by processing measurements of the vessel{\textquoteright}s wave-induced responses. The analogy to a wave rider buoy is clear, although the situation of an advancing ship is more complex due to forward speed. The paper studies the {\textquoteleft}wave buoy analogy{\textquoteright}, and a large set of full-scale motion measurements is considered. It is shown that the wave buoy analogy gives fairly accurate estimates of sea state parameters when compared to estimates from real wave rider buoys.",

keywords = "Avancing ship, Sea state estimation, Dcision support systems, Motion measurements",

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note = "Hosted by NSWCCD (David Taylor Model Basin) and the SNAME Chesapeake Section; International Ship Stability Workshop, ISSW ; Conference date: 01-01-2011",

year = "2011",

language = "English",

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AU - Stredulinsky, David C.

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AB - It is possible to obtain estimates of the sea state at the specific position of an advancing vessel by processing measurements of the vessel’s wave-induced responses. The analogy to a wave rider buoy is clear, although the situation of an advancing ship is more complex due to forward speed. The paper studies the ‘wave buoy analogy’, and a large set of full-scale motion measurements is considered. It is shown that the wave buoy analogy gives fairly accurate estimates of sea state parameters when compared to estimates from real wave rider buoys.

KW - Avancing ship

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KW - Dcision support systems

KW - Motion measurements

M3 - Article in proceedings

BT - Proceedings of the 12th International Ship Stability Workshop

T2 - International Ship Stability Workshop

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