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Information × Registration Number 0208U006291, 0107U009501 , R & D reports Title Development of the theory of interaction of powerful acoustic field with dissimilarities in metals for new undestructive thermo-acoustic control method popup.stage_title Head Ljutak Igor Zinovijovych, Registration Date 21-07-2008 Organization Ivano-Frankivsk Nstional Technical University of Oil and Gas popup.description2 Main scientific results of research work: - the analysis is carried out and scientific bases of usage of new non-destructive thermoacoustic testing method are formed; - the mathematical model for damping factors determination of elastic medium by transmission of ultrasonic wave is developed; - the mathematical model of acoustic wave interaction with discontinuity of elastic medium is developed. The proposed model describes physical processes of thermoacoustic method by non-destructive testing of metal structures.5635 Product Description popup.authors popup.nrat_date 2020-04-02 Close