Sparse grids for eddy-current non-destructive testing

Abstract : Sparse grids make possible the interpolation-based approximation of the output of computer experiments, even for a high number of independent input parameters. In this contribution, the sparse grid interpolation technique is shown to apply well to eddy-current non-destructive testing and simulations thereof. Once such interpolation is obtained –being computationally cheap–, the use of simple optimisation schemes for the inversion becomes numerically efficient. A common pattern-search algorithm illustrates this concept.
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Submitted on : Friday, October 30, 2015 - 3:14:00 PM
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Sándor Bilicz, Caifang Cai, Marc Lambert. Sparse grids for eddy-current non-destructive testing. 17th International Symposium on Applied Electromagnetics and Mechanics (ISEM2015), Sep 2015, Awaji City, Japan. Paper OS1-4 (2 p.). ⟨hal-01222776⟩

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