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Evaluation of ray-based methods for the simulation of ut welds inspection

Abstract : The reliability of ray-based approaches for the simulation of inspection of austenitic or bimetallic welds is assessed. A first modeling approach consists in describing the weld as a set of several anisotropic homogeneous domains with a given grain orientation. In this case, the rays travel in straight lines inside each domain. A second modeling approach uses dynamic ray tracing, considering a smooth description of the crystallographic orientation. Simulation results using both approaches are presented, discussed and compared to finite elements results.
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K. Jezzine, A. Gardahaut, N. Leymarie, S. Chatillon. Evaluation of ray-based methods for the simulation of ut welds inspection. 39th Annual Review of Progress in Quantative Nondestructive Evaluation (QNDE), Jul 2012, Denver, United States. pp.1073-1080, ⟨10.1063/1.4789162⟩. ⟨cea-01828197⟩



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