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Development of Guided Wave Simulator and Application to Sizing Methodologies of Pipe Wall Thinning
Fumio Kojima,Jun-ichi Tsubota 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
This paper is concerned with structural health monitoring techniques for pipe wall thinning using ultrasonic guided wave methods. First, our inspection model can be represented by linear elastic systems on a cylindrical shell. Secondly, numerical scheme of in spection is developed by Fourier-Galerkin approximations. Thirdly, we propose a com-putational method for identifying position, range, and sizing off low accelerated corrosion(FAC). Finally, the effectiveness and validity are demonstrated through computational experiments.