Search Results - "Chassignole, B."

A random matrix approach to detect defects in a strongly scattering polycrystal: How the memory effect can help overcome multiple scattering by Shahjahan, S., Aubry, A., Rupin, F., Chassignole, B., Derode, A.

“…We report on ultrasonic imaging in a random heterogeneous medium. The goal is to detect flaws embedded deeply into a polycrystalline material. A 64-element…”
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Investigation of the ultrasonic attenuation in anisotropic weld materials with finite element modeling and grain-scale material description by Lhuillier, P.E., Chassignole, B., Oudaa, M., Kerhervé, S.O., Rupin, F., Fouquet, T.

“…•Ultrasound propagation in anisotropic polycrystalline material is simulated with a finite element code.•The microstructure of the material is described at the…”
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Comparison between experimental and 2-D numerical studies of multiple scattering in Inconel600® by means of array probes by Shahjahan, S., Rupin, F., Aubry, A., Chassignole, B., Fouquet, T., Derode, A.

“…•Ultrasound propagation in polycrystals where multiple wave scattering takes place is studied.•Experiments as well as numerical simulations are carried out…”
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Probabilistic approaches to compute uncertainty intervals and sensitivity factors of ultrasonic simulations of a weld inspection by Rupin, F., Blatman, G., Lacaze, S., Fouquet, T., Chassignole, B.

“…•Uncertainty analysis was performed on an ultrasonic inspection of an austenitic weld.•6000 Simulations were performed using the finite element code…”
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Ultrasonic and structural characterization of anisotropic austenitic stainless steel welds: Towards a higher reliability in ultrasonic non-destructive testing by Chassignole, B., El Guerjouma, R., Ploix, M.-A., Fouquet, T.

“…The non-destructive testing of austenitic stainless steel welds of the primary coolant piping system is a significant problem for the nuclear industry…”
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Modelling the attenuation in the ATHENA finite elements code for the ultrasonic testing of austenitic stainless steel welds by Chassignole, B., Duwig, V., Ploix, M.-A., Guy, P., El Guerjouma, R.

“…Multipass welds made in austenitic stainless steel, in the primary circuit of nuclear power plants with pressurized water reactors, are characterized by an…”
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Coupling an ultrasonic propagation code with a model of the heterogeneity of multipass welds to simulate ultrasonic testing by Apfel, A., Moysan, J., Corneloup, G., Fouquet, T., Chassignole, B.

“…The knowledge of the anisotropic and heterogeneous behaviour of the material is the key point for understanding ultrasonic testing. In the case of austenitic…”
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Modelling the grain orientation of austenitic stainless steel multipass welds to improve ultrasonic assessment of structural integrity by Moysan, J, Apfel, A, Corneloup, G, Chassignole, B

“…Knowledge of the grain orientation quantifies the material anisotropy which helps to ensure the good ultrasonic testing of welded assemblies and the assessment…”
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Non-destructive evaluation of elastic properties, and ultrasonic attenuation of transverse wave of anisotropic and heterogeneous media by Brémand, Fabrice, Bodian, P.A., Guy, P., Chassignole, B., Dupont, O.

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Comparison between experimental and 2-D numerical studies of multiple scattering in Inconel600ARG by means of array probes by Shahjahan, S, Rupin, F, Aubry, A, Chassignole, B, Fouquet, T, Derode, A

“…Ultrasonic non-destructive testing of polycrystalline structures can be disturbed by scattering at grain boundaries. Understanding and modeling this so-called…”
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Application of Modelling for Enhanced Ultrasonic Inspection of stainless steel welds by Chassignole, B., Dupond, O., Fouquet, T., Brun, A. Le, Moysan, J., Benoist, P.

“…The ultrasonic inspection of the primary coolant piping of Pressurized Water Reactors (PWR) is a major concern for the nuclear industry. Numerous studies have…”
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