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- Sándor BILICZ, Marc LAMBERT, Emmanuel VAZQUEZ, Szabolcs GYIMÓTHY
- 2010

The numerical simulation of eddy-current non-destructive testing methods involves high complexity and expensive computational load. However, one needs to reach reliable solutions for these problems in order to be able, in particular, to solve the related inverse problem. A way to overcome such a difficulty is to propose a " surrogate modelization " of ECT… (More)

- Sándor BILICZ, Marc LAMBERT, Szabolcs GYIMÓTHY, József PÁVÓ, Grégoire PICHENOT
- 2010

One of the main challenges in Eddy Current Testing (ECT) is the solution of the inverse problem, i.e., the determination of the defect properties knowing the measured data. To this end, many approaches and mathematical tools have been proposed. The so-called adaptive database-method has recently been developed. Its main idea is to store corresponding… (More)

–A description language for the finite element method was developed, which can be used specifically for element by element (EBE) calculations on unstructured simplex-meshes. Geometry, problem type and solving method can be specified in it, furthermore adaptive mesh refinement and mesh reduction can be controlled. The language elements are defined, a… (More)

- Sándor Bilicz, Emmanuel Vazquez, József Pávó, Marc Lambert, Szabolcs Gyimóthy
- 2010

This paper presents an inverse problem methodology in the domain of non-destructive testing, and more precisely eddy-current testing. Our objective is to use a precise but expensive-to-evaluate model of the electromagnetic induction phenomenon in a conductive material and to estimate the characteristics of a flaw by minimization of a regularized criterion… (More)

—The utilization of Graphical Processing Units (GPUs) for the element-by-element (EbE) finite element method (FEM) is demonstrated. EbE FEM is a long known technique, by which a conjugate gradient (CG) type iterative solution scheme can be entirely decomposed into computations on the element level, i.e., without assembling the global system matrix. In our… (More)

- Sándor BILICZ, Marc LAMBERT, Emmanuel VAZQUEZ, Szabolcs GYIMÓTHY
- 2009

The numerical simulation of eddy-current non-destructive testing methods involves high complexity and expensive computational load. However, one needs to reach reliable solutions for these problems in order to be able, in particular, to solve the related inverse problem. To overcome this difficulty a new approach recently appeared. The main idea here is to… (More)

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