Paraxial ray-tracing approach for the simulation of ultrasonic inspection of welds
| Autor: | Audrey Gardahaut, Karim Jezzine, Didier Cassereau |
|---|---|
| Přispěvatelé: | Département Imagerie et Simulation pour le Contrôle (DISC), Laboratoire d'Intégration des Systèmes et des Technologies (LIST), Direction de Recherche Technologique (CEA) (DRT (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Direction de Recherche Technologique (CEA) (DRT (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Département d'Architectures, Conception et Logiciels Embarqués-LIST (DACLE-LIST), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Laboratoire d'Imagerie Paramétrique (LIP), Université Pierre et Marie Curie - Paris 6 (UPMC)-IFR58-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Intégration des Systèmes et des Technologies (LIST (CEA)) |
| Jazyk: | angličtina |
| Rok vydání: | 2014 |
| Předmět: |
010302 applied physics
[PHYS]Physics [physics] Materials science Differential equation business.industry Astrophysics::High Energy Astrophysical Phenomena Weld Inspection Ultrasonic testing Paraxial approximation Paraxial Rays Image processing 01 natural sciences Finite element method law.invention Ray tracing (physics) Optics law 0103 physical sciences Ultrasonic sensor Cartesian coordinate system business 010301 acoustics Dynamic Ray Tracing Method |
| Zdroj: | AIP Conference Proceedings AIP Conference Proceedings, American Institute of Physics, 2014, 1581 (1), pp.529-536. ⟨10.1063/1.4864865⟩ AIP Conference Proceedings, 2014, 1581 (1), pp.529-536. ⟨10.1063/1.4864865⟩ |
| ISSN: | 0094-243X 1551-7616 |
| Popis: | Conference of 40th Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE 2013, Incorporating the 10th International Conference on Barkhausen and Micro-Magnetics, ICBM 2013 ; Conference Date: 21 July 2013 Through 26 July 2013; Conference Code:105840; International audience; On-site inspection of bimetallic or austenitic welds can be very difficult to interpret owing to their internal structures. Skewing and splitting of the ultrasonic beam may occur due to the anisotropic and inhomogeneous properties of the welding material. In this paper, we present a ray-based method to simulate the propagation of ultrasonic waves in such structures. The formalism is based on dynamic ray tracing system in Cartesian coordinates along a reference ray. Standard ray tracing consists in the solution of a system of linear ordinary differential equations of the first order and is used to determine the trajectory of the ray. Likewise, dynamic ray tracing (DRT) also called paraxial ray tracing consists in the solution of an additional system of linear ordinary differential equations along the ray allowing paraxial quantities to be computed. It is used to evaluate the geometrical spreading and amplitude along the ray and in its vicinity. DRT is applied on a smooth representation of the elastic properties of the weld obtained thanks to an image processing technique applied on a macrograph of the weld. Simulation results are presented and compared to finite elements and experimental results. |
| Databáze: | OpenAIRE |
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