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Introduction to the Examination of Thin-Walled Structures Using the Vibrodiagnostic Method

Authors
  • Szeleziński, Adam1
  • Muc, Adam1
  • Murawski, Lech1
  • Van Doan, Do1
  • 1 Faculty of Marine Engineering, 81-225 , (Poland)
Type
Published Article
Journal
Journal of KONES
Publisher
Sciendo
Publication Date
Dec 01, 2019
Volume
26
Issue
4
Pages
242–248
Identifiers
DOI: 10.2478/kones-2019-0114
Source
De Gruyter
Keywords
License
Green

Abstract

The article presents a methodology of non-destructive diagnostic vibratory tests of welded plates with geometrical parameters that classify them into a group of thin-walled panels. On the basis of such plates, most ship constructions are created. In previous works, the authors dealt with the study of welded joints in plates with significant thicknesses and developed for them a number of methods for assessing the quality of welded joints. Vibrodiagnostics is a NDT method that allows the use of a variety of techniques and tools. It enables measurements to be made in both a contact and non-contact way depending on the requirements of the structure and the environment. Vibrodiagnostic method is one of the most modern NDT methods, which uses modern measurement tools and computer analysis of data. On the basis of the developed methods, the authors intend to verify their application to plates from real welded constructions, which will be performed in typical shipyard conditions by welders. Such tests are important due to their use for the construction of a real SHM ship construction monitoring system. These methods allow for the examination of the condition of ships’ structural plates and can detect defects in welded joints that prevent ships from operating under severe sea conditions. The article presents the laboratory stand, the sensor layout, results, and their initial analysis.

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