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No abstract

Ultrasonic modeling at the French Atomic Energy Commission (CEA) is based onto continuous developments o f two approximate models covering realfirst model, based on an extension of the Rayleigh inteistic commonly encountered NDT configurations. The gral, is dedicated to the prediction o f ultrasonic fields radiated by arbitrary transducers. Being computed the This two step modeling yields the prediction o f echofield may be inputted in a model o f the echo formation.structures detected with transducer scanning. The associated software is implanted in the ClVA system for processing and imaging multiple technique NDT data.