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3-D eddy current modeling for evaluating the fracture parameters by a new method based on the variation of the impedance

Harzallah, Salaheddine ; Chabaat, Mohamed

International journal of applied electromagnetics and mechanics, 2017-01, Vol.53 (2), p.371-385 [Periódico revisado por pares]

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Título:
3-D eddy current modeling for evaluating the fracture parameters by a new method based on the variation of the impedance
Autor: Harzallah, Salaheddine ; Chabaat, Mohamed
Assuntos: Computer simulation ; Damage detection ; Eddy current testing ; Eddy currents ; Energy measurement ; Energy release rate ; Finite element method ; Fracture mechanics ; Impedance ; J integral ; Mathematical models ; Nondestructive testing ; Stress intensity factors ; Three dimensional models
É parte de: International journal of applied electromagnetics and mechanics, 2017-01, Vol.53 (2), p.371-385
Descrição: A new approach for computing fracture mechanics parameters such as the Stress Intensity Factor (SIF) and the Energy Release Rate (J) by measuring and testing related Eddy currents is presented. These parameters are evaluated using the variation of the impedance. In the process, a magnetic vector is formulated from the theoretical set up and obtained results from relevant applications are checked for the theory consistency. Besides, cracks detection as well as their propagationis are studied through the two parameters SIF and J-integral. A simulation by a numerical approach using Finite Element discretization of 3-D governing equations is employed to detect damaged zones and cracks. Obtained results are compared and agreed with those of other researchers.
Editor: Amsterdam: IOS Press BV
Idioma: Inglês

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