Event Title

Messine, an Eddy Current Parametric Model for Flaw Characterization

Location

Snowbird, UT, USA

Start Date

1-1-1999 12:00 AM

Description

The MESSINE code (Model for Electromagnetic Simplified Simulation In Nondestructive Evaluation) has been developed at CEA/CEREM in order to characterize flaws in steam generator tubes. No analytical or numerical models, that are well adapted to this problem, have been found in the literature. Constructing a forward model by solving Maxwell’s equations seems rather difficult and numerical models (e.g. finite element approach) are not convenient, due to their long computation time. Thus, a new simplified parametric forward model has been constructed using the following three axes: • 2D defect-free configurations for studying the detection capabilities, • 2D and 3D configurations with defects to obtain signal expertise, • defect characterization i.e., eddy current signal inversion.

Book Title

Review of Progress in Quantitative Nondestructive Evaluation

Volume

18A

Chapter

Chapter 2: Electromagnetic, Thermal, and X-Ray Techniques

Section

Eddy Current Modelling

Pages

501-508

DOI

10.1007/978-1-4615-4791-4_63

Language

en

File Format

application/pdf

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Jan 1st, 12:00 AM

Messine, an Eddy Current Parametric Model for Flaw Characterization

Snowbird, UT, USA

The MESSINE code (Model for Electromagnetic Simplified Simulation In Nondestructive Evaluation) has been developed at CEA/CEREM in order to characterize flaws in steam generator tubes. No analytical or numerical models, that are well adapted to this problem, have been found in the literature. Constructing a forward model by solving Maxwell’s equations seems rather difficult and numerical models (e.g. finite element approach) are not convenient, due to their long computation time. Thus, a new simplified parametric forward model has been constructed using the following three axes: • 2D defect-free configurations for studying the detection capabilities, • 2D and 3D configurations with defects to obtain signal expertise, • defect characterization i.e., eddy current signal inversion.