Influence of partially known parameter on flaw characterization in Eddy Current Testing by using a random walk MCMC method based on metamodeling

Key Points

• This research aims to evaluate how partially known parameters affect flaw characterization in Eddy Current Testing.
• Utilized a random walk MCMC method combined with metamodeling for analysis.
• Developed models to simulate different parameter scenarios.
• Assessed the impact of known parameters on testing accuracy.
• Enhanced characterization accuracy observed when employing metamodeling techniques.
• MCMC method improved parameter estimation by reducing error rates.
• Demonstrated effective application for real-world eddy current testing situations.