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Investigation of Metal-based Composites Vibration Properties Using Modal Analysis in Combination with Wavelet Transforms Under Imitation of Operational Loads

Molchanov, Dmitrii S., Palkowski, Heinz, Chernyakin, Sergey and Karagiannidis, Panagiotis (2020) Investigation of Metal-based Composites Vibration Properties Using Modal Analysis in Combination with Wavelet Transforms Under Imitation of Operational Loads. Materials and Geoenvironment, 67 (2). pp. 45-63. ISSN 1854-7400

Item Type: Article

Abstract

Abstract: The present article is dedicated to the study of the vibration properties of metal-based composite materials and the application of the non-destructive testing method. The main modal parameters of the metal-based composites were investigated. For experimental determination of natural frequencies and modes of oscillations, the method of scanning laser Doppler vibrometry was used. For the numerical modal analysis, the finite element method was used. The material model was a layered composite with isotropic linearly elastic layers and metal layers. The task of identifying the material model was considered as the problem of minimising the discrepancy between the calculated natural frequencies and the experimental ones. The developed method can be recommended for the determination of parameters of material models for calculating the modal characteristics of polymer–metal sandwich sheets and metallic mono-materials composite products. Methodology for identifying models of elastic behaviour of polymer–metal composite materials, based on the results of the experimental modal analysis, is presented. Wavelet-based damage detection is also presented as an appropriate approach for the identification of integral conditions of the metal–polymer–metal composite materials. Results of wavelet transform convolutions are presented.

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Additional Information: ** From Crossref journal articles via Jisc Publications Router ** History: ppub 22-09-2020; issued 22-09-2020.
SWORD Depositor: Publication Router
Depositing User: Publication Router

Identifiers

Item ID: 12792
Identification Number: https://doi.org/10.2478/rmzmag-2020-0010
ISSN: 1854-7400
URI: http://sure.sunderland.ac.uk/id/eprint/12792
Official URL: https://content.sciendo.com/view/journals/rmzmag/6...

Users with ORCIDS

ORCID for Panagiotis Karagiannidis: ORCID iD orcid.org/0000-0002-2709-4161

Catalogue record

Date Deposited: 14 Dec 2020 16:41
Last Modified: 14 Dec 2020 16:45

Contributors

Author: Panagiotis Karagiannidis ORCID iD
Author: Dmitrii S. Molchanov
Author: Heinz Palkowski
Author: Sergey Chernyakin

University Divisions

Faculty of Technology > School of Engineering

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