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Optical Interferometry Methods Used to Study Interaction of Acoustical Waves with Structural Inhomogenities
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SYSNO ASEP 0312515 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Optical Interferometry Methods Used to Study Interaction of Acoustical Waves with Structural Inhomogenities Title Optické interferometrické metody využité pro studium interakcí akustických vln s nehomogenitami materiálu Author(s) Trnka, Jan (UT-L) RID
Dvořáková, Pavla (UT-L) RID, ORCIDSource Title 25th Danubia-Adria Symposium on Advances in Experimental Mechanics. - Praha : ČVUT Praha, 2008 / Daniel M. ; Holý S. ; Růžička M. - ISBN 978-80-01-04162-8 Pages s. 261-262 Number of pages 2 s. Action Symposium on Advances in Experimental Mechanics /25./ Event date 24.09.2008-27.09.2008 VEvent location České Budějovice, Český Krumlov Country CZ - Czech Republic Event type WRD Language eng - English Country CZ - Czech Republic Keywords nondestructive testing ; thin-walled shells ; material defects Subject RIV BI - Acoustics R&D Projects GA101/07/0588 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20760514 - UT-L (2005-2011) Annotation The paper is concerned with interpretation of transient wave phenomena occurring in impacted thin plate with simple structural inhomogenities. Wave phenomena in the vicinity the hole or the added mass, is studied by means of simultaneous application of the double pulse ESPI and D-CH laservibrometry. FFT is used to analyse point-wise history of velocity or displacements in frequency domain. Workplace Institute of Thermomechanics Contact Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Year of Publishing 2009
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