National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Automated diagnostics of extremely loaded structures (engineering constructions)
Převorovský, Zdeněk ; Semerák, P. ; Kratochvíl, J.
The report sums up the results of research and experimental work within the frame of an extensive project. Its goal was to design and practically test the structural health monitoring (SHM) system of extremely loaded roof structures.
Acoustic Emission and Nonlinear Elastic Wave Spectroscopy During the Fatigue Test of Aircraft Wing Main Spar Flange, Flange Joint, and Wing Lifting Eye
Převorovský, Zdeněk ; Chlada, Milan ; Krofta, Josef ; Farová, Zuzana
The report introduces the results of monitoring of crack initiation and growth during fatigue tests of the three airplane structure parts. The method of acoustic emission was used together with nonlinear elastic wave spectroscopy (NEWS) and nonlinear time reversal mirrors (NLTRM).
Nondestructive evaluation of concrete structure of the nuclear reactor cavity by nonlinear elastic wave spectroscopy (NEWS) : contract number-771318
Převorovský, Zdeněk ; Kudrna, P. ; Kober, Jan ; Krofta, Josef ; Chlada, Milan ; Chlada st., Milan
The structural health of two model samples of concrete shaft of nuclear reactor was non-destructively tested by three variations of nonlinear ultrasonic spectroscopy methods denoted as NWMS, SSM a TR-ESAM. The results of measuring procedures approved inherent nonlinearities of tested concrete compounds given by their inhomogeneity.

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