Surface effect ship vibro-impact monitoring with distributed arrays of fiber Bragg gratings

被引：0

作者：

Johnson, GA ^{[1
]}

Pran, K ^{[1
]}

Sagvolden, G ^{[1
]}

Farsund, O ^{[1
]}

Havsgård, GB ^{[1
]}

Wang, G ^{[1
]}

Jensen, AE ^{[1
]}

机构：

[1] USN, Res Lab, Washington, DC 20375 USA

来源：

IMAC-XVIII: A CONFERENCE ON STRUCTURAL DYNAMICS, VOLS 1 AND 2, PROCEEDINGS | 2000年 / 4062卷

关键词：

D O I：

暂无

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

A fiber Bragg grating sensor system consisting of 56 sensors has been developed to monitor the structural dynamical response of an in-operation composite hull naval vessel. The distributed array of wavelength-division multiplexed Bragg grating strain sensors has been utilized to measure: global hull bending with Bragg grating sensor pairs; local strain concentrations with Bragg grating rosettes; vibrational response of the ship's waterjet propulsion system; and large dynamic strain response in the wet deck region from wave slamming in rough seas. In addition to monitoring the ship's normal vibrations and bending moments, monitoring the response of the ship to wave slamming (i.e. wave impacts) - especially in the wet deck region of the catamaran - is of some importance because it can lead to large scale damage in the ship.

引用

页码：1406 / 1411

页数：6

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