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Elliptical Method for Damage Identification in Carbon Fibre Reinforced Polymer Laminates

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Elliptical Method for Damage Identification in Carbon Fibre Reinforced Polymer Laminates. / David-West, Opukuro; Amafabia, Daerefa-a ; Montalvao, Diogo; Haritos, George.

In: Advances in Materials Science and Engineering, Vol. 2019, 5237129, 29.09.2019.

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@article{a97e6851b0e74a37b1401e9d2d353dcb,
title = "Elliptical Method for Damage Identification in Carbon Fibre Reinforced Polymer Laminates",
abstract = "Oftentimes, researchers in the area of vibration-based Structural Health Monitoring (SHM) and Damage Detection focused their attention on the global properties of structures, which are the modal frequencies and modal damping factors. However, the effects on the local properties for SHM, that is modal constants, has not been so extremely explored. In this paper, the Elliptical Plane modal identification method is proposed to be used as a Damage identification method itself. It is observed that, when the receptance is plotted in the Elliptical plane, the area of the ellipse formed close to the resonant frequencies (which depends on the modal constants) can be used to detect damage, namely in composite Carbon Fibre Reinforced Polymer (CFRP) rectangular plates. Although a mathematical correlation has not been established yet, results show that the method is sensitive to the presence of damage in the test plates, as the area of the ellipse changes with damage. ",
author = "Opukuro David-West and Daerefa-a Amafabia and Diogo Montalvao and George Haritos",
year = "2019",
month = sep,
day = "29",
doi = "10.1155/2019/5237129",
language = "English",
volume = "2019",
journal = "Advances in Materials Science and Engineering",
issn = "1687-8434",
publisher = "Hindawi Publishing Corporation",

}

RIS

TY - JOUR

T1 - Elliptical Method for Damage Identification in Carbon Fibre Reinforced Polymer Laminates

AU - David-West, Opukuro

AU - Amafabia, Daerefa-a

AU - Montalvao, Diogo

AU - Haritos, George

PY - 2019/9/29

Y1 - 2019/9/29

N2 - Oftentimes, researchers in the area of vibration-based Structural Health Monitoring (SHM) and Damage Detection focused their attention on the global properties of structures, which are the modal frequencies and modal damping factors. However, the effects on the local properties for SHM, that is modal constants, has not been so extremely explored. In this paper, the Elliptical Plane modal identification method is proposed to be used as a Damage identification method itself. It is observed that, when the receptance is plotted in the Elliptical plane, the area of the ellipse formed close to the resonant frequencies (which depends on the modal constants) can be used to detect damage, namely in composite Carbon Fibre Reinforced Polymer (CFRP) rectangular plates. Although a mathematical correlation has not been established yet, results show that the method is sensitive to the presence of damage in the test plates, as the area of the ellipse changes with damage.

AB - Oftentimes, researchers in the area of vibration-based Structural Health Monitoring (SHM) and Damage Detection focused their attention on the global properties of structures, which are the modal frequencies and modal damping factors. However, the effects on the local properties for SHM, that is modal constants, has not been so extremely explored. In this paper, the Elliptical Plane modal identification method is proposed to be used as a Damage identification method itself. It is observed that, when the receptance is plotted in the Elliptical plane, the area of the ellipse formed close to the resonant frequencies (which depends on the modal constants) can be used to detect damage, namely in composite Carbon Fibre Reinforced Polymer (CFRP) rectangular plates. Although a mathematical correlation has not been established yet, results show that the method is sensitive to the presence of damage in the test plates, as the area of the ellipse changes with damage.

U2 - 10.1155/2019/5237129

DO - 10.1155/2019/5237129

M3 - Article

VL - 2019

JO - Advances in Materials Science and Engineering

JF - Advances in Materials Science and Engineering

SN - 1687-8434

M1 - 5237129

ER -