Identification of Small-Sized Cracks on Cross-Stiffened Plate Structures for Ships-Reference-Cited by-同舟云学术

Identification of Small-Sized Cracks on Cross-Stiffened Plate Structures for Ships

Published:2005-10-08 Issue:2 Volume:128 Page:210-224
ISSN:0094-4289
Container-title:Journal of Engineering Materials and Technology
language:en
Short-container-title:

Author:

Budipriyanto A.¹,Swamidas A. S. J.¹,Haddara M. R.¹

Affiliation:

1. Faculty of Engineering and Applied Sciences, Memorial University, St. John’s, NL, Canada A1B 3X5

Abstract

Abstract In this paper we discuss the results of experimental and numerical studies carried out for monitoring the integrity of a 1∕20th model of the side shell of a ship’s structure, using its vibration responses. The model was tested for different crack development scenarios under random exciting force having a dominant spectral frequency much lower (≈2Hz) than the first natural frequency of the structure (≈580Hz). Sensor locations were justified based on modal responses under intact and damaged conditions. A damage detection procedure using the root mean square response modal amplitudes is also presented.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

http://asmedigitalcollection.asme.org/materialstechnology/article-pdf/128/2/210/6732163/210_1.pdf

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