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Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Informatikos inžinerija / Informatics engineering (T007)
Author(s): Ragulskis, Minvydas;Ragulskis, Liutauras;Maskeliūnas, Rimas
Title: Applicability of time average geometric moire for vibrating elastic structures
Is part of: Experimental techniques: a publication for the practicing engineer. Bethel, USA : Society for Experimental Mechanics, 2004, Vol. 28, iss. 4
Extent: p. 27-30
Date: 2004
Keywords: Skaitmeninis vaizdas;Muaro juostos;Digital image;Moire fringes
Abstract: Time average geometric moire´ for analysis of in-plane vibrations of elastic structures is proposed in this paper. The intensity of the higher fringes is blurred, which hides this method among other non-contact whole-field experimental techniques for analysis of structural vibrations. This paper proves that such a method is feasible for the analysis of vibrations. It has many advantageous features and is a straightforward method that does not require a complex experimental set-up. It is even simpler than double exposure geometric moire´ since no artificial superposition of the reference image and the image of the object in the deformed state is necessary. Naturally, the interpretation of fringe patterns in time average geometric moire´ is different from the double exposure geometric moire´. But this fact does not lessen the practical value of the method, which can be effectively exploited for analysis of vibrating elastic structures
Affiliation(s): Kauno technologijos universitetas
Vilniaus Gedimino Technikos Universitetas
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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