Comparison of calculating algorithms for logarithmic decrements applied to welded joints assessments

• Autorzy: Szeleziński Adam , Muc Adam , Murawski Lech , Muchowski Tomasz , Kluczyk Marcin , Jasiński Krzysztof , Antczak-Jarząbska Romana

Identyfikatory

DOI

10.26408/124.01

• Języki publikacji: EN

Abstrakty

EN

There are numerous non-destructive methods in welded joints investigation, but the most promising, especially in applications with steady monitoring of the structure, is the vibro-diagnostic approach. In the course of the research work, the responses were obtained and detected by accelerometers, providing valuable diagnostic information, which later was mathematically processed in the field of time or frequency. The mathematical processing aimed to distinguish significant characteristics embedded in the processes typical of the investigated joints and allow an assessment of how they were made. For this purpose, two methods were proposed, based on determining the logarithmic decrement as a function of time. Due to the complicated course of the impact responses, the method of calculating the logarithmic decrement has been suggested, involving the approximation of responses with various functions. According to the research, the analysis of changes in the logarithmic decrement as a function of time applied to welded plates was proposed, as it enables the initial assessment of joint quality.

Słowa kluczowe

EN

diagnostics; welded joints; non-destructive research; SHM; vibrations; spectral analysis; logarithmic decrement

• Wydawca: Publishing House of Gdynia Maritime University
• Czasopismo: Scientific Journal of Gdynia Maritime University
• Rocznik: 2022
• Tom: nr 124
• Strony: 7--19
• Opis fizyczny: Bibliogr. 24 poz., rys.

Twórcy

autor

Szeleziński Adam

• Gdynia Maritime University, 81-87 Morska St., 81-225 Gdynia, Poland, Faculty of Maritime Engineering

• https://orcid.org/0000-0003-2842-0683

autor

Muc Adam

• Gdynia Maritime University, 81-87 Morska St., 81-225 Gdynia, Poland, Faculty of Electrical Engineering

• https://orcid.org/0000-0002-9495-087X

autor

Murawski Lech

• Gdynia Maritime University, 81-87 Morska St., 81-225 Gdynia, Poland, Faculty of Maritime Engineering

• https://orcid.org/0000-0003-0089-5492

autor

Muchowski Tomasz

• Gdynia Maritime University, 81-87 Morska St., 81-225 Gdynia, Poland, Faculty of Maritime Engineering

• https://orcid.org/0000-0002-0200-7041

autor

Kluczyk Marcin

• Polish Naval Academy of the Heroes of Westerplatte, 69 Śmidowicza Street, 81-127 Gdynia, Poland, Faculty of Mechanical and Electrical Engineering

• https://orcid.org/0000-0001-7357-6762

autor

Jasiński Krzysztof

• Gdynia Maritime University, 81-87 Morska St., 81-225 Gdynia, Poland, Faculty of Electrical Engineering

• https://orcid.org/0000-0001-8355-6167

autor

Antczak-Jarząbska Romana

• WSB University in Gdańsk, 238A Grunwaldzka St., 80-266 Gdańsk, Faculty of Computer Science and New Technologies

• https://orcid.org/0000-0002-6853-2041

Bibliografia

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• 3. Alencar, D.A., Silva, S.F., Vieira, A., Soares, A., 2009, Eddy Current NDT: A Suitable Tool to Measure Oxide Layer Thickness in PWR Fuel Rods, INAC.
• 4. Findeis, D., Gryzagoridis, J., Gerona, L.M., 2013, Vibration Excitation Methods Applied to Digital Shearography and ESPI. Integration Between a Dynamically Growing Crack with Stuff and Compliant Inclusions Using DIC and High-Speed Photography, Conference Proceedings of the Society for Experimental Mechanics Series.
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• 18. Porto, R.W., Brusamarello, V.J., Azambuja, R., 2013, Design and Analysis of a GMR Eddy Current probe for NDT, Seventh International Conference on Sensing Technology.
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• 22. Szeleziński, A., Murawski, L., Muc, A., 2016, Analysis of Ability to Detect Defects in Welding Structures with Usage of Dynamic Characteristics Spectrums, Journal of KONES Powertrain and Transport, European Science Society of Powertrain and Transport Publication.
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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).