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Finite Element Simulations of the Remote Field Eddy Current Signal in Steam Generator Tubes of Monju Fast Breeder Reactor

[+] Author Affiliations
Ovidiu Mihalache, Yoshiyuki Imai, Masashi Ueda, Takuya Yamashita

Japan Nuclear Cycle Development Institute, Tsuruga City, Fukui, Japan

Paper No. PVP2004-2837, pp. 199-205; 7 pages
doi:10.1115/PVP2004-2837
From:
  • ASME/JSME 2004 Pressure Vessels and Piping Conference
  • Recent Advances in Nondestructive Evaluation Techniques for Material Science and Industries
  • San Diego, California, USA, July 25–29, 2004
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4679-2
  • Copyright © 2004 by ASME

abstract

The present paper describes and clarifies the main difficulties arising in the 3D numerical simulations using finite element method of the remote field eddy current effect in magnetic steam generator tubes. The 2D axisymmetric and full 3D simulations are compared with experimental results from outer discontinuities in Monju fast breeder reactor steam generator tubes. Very good agreements were obtained between measurements and 2D simulations. The influences of several parameters are evaluated by 3D simulations: convergence error of the iterative matrix solutions, pattern of the mesh discretization, the boundary limit and finite element interpolation order. The computational cost of the remote field 3D model in Monju steam generator tubes and the numerical aspects of the 3D simulations are discussed in detail in the paper.

Copyright © 2004 by ASME

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