2009-03-04
Crack Detection Using a Hybrid Finite Difference Frequency Domain and Particle Swarm Optimization Techniques
By
Progress In Electromagnetics Research M, Vol. 6, 47-58, 2009
Abstract
A hybrid technique based on finite-difference frequency domain (FDFD) and particle swarm optimization (PSO) techniques is proposed to reconstruct the angular crack width and its position in the conductor and ability to detect the crack width, position, and its depth in single and multilayer dielectric objects. FDFD is formulated to calculate the scattered field after illuminating the object by a microwave transmitter. Two-dimensional model for the object is used. Computer simulations have been performed by means of a numerical program; results show the capabilities of the proposed approach. This paper presents a computational approach to the two dimensional inverse scattering problem based on FDFD method and PSO technique to determine the crack position, width and depth. By using the scattered field, the specifications of the crack are reconstructed.
Citation
Saber Zainud-Deen, Walaa Hassan, and Kamal Awadalla, "Crack Detection Using a Hybrid Finite Difference Frequency Domain and Particle Swarm Optimization Techniques," Progress In Electromagnetics Research M, Vol. 6, 47-58, 2009.
doi:10.2528/PIERM09012404
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