Scanning laser Doppler vibrometry

Marie Brøns, Jon Juel Thomsen

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Abstract

With a Scanning Laser Doppler Vibrometer (SLDV) a vibrating surface is automatically scanned over predefined grid points, and data processed for displaying vibration properties like mode shapes, natural frequencies, damping ratios, and operational deflection shapes. Our SLDV – a PSV-500H from Polytec Inc. – was acquired and put to operation in October 2014, paid by a sub-donation of DKK 1,5 mill. of the total VILLUM CASMaT grant. Opening possibilities of measuring complicated vibration shapes of almost any object – contactless, mostly automatically, and with only a single transducer – this costly equipment had been top priority on our wish list for many years.
Original languageEnglish
Publication date2016
Number of pages3
Publication statusPublished - 2016
Event1st International Symposium on Multi-Scale Experimental Mechanics - DTU Risø Campus, Roskilde, Denmark
Duration: 5 Oct 20165 Oct 2016
Conference number: 1

Conference

Conference1st International Symposium on Multi-Scale Experimental Mechanics
Number1
LocationDTU Risø Campus
CountryDenmark
CityRoskilde
Period05/10/201605/10/2016

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