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Identification of elasto-plastic material properties from optical full-field strain measurement
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SYSNO ASEP 0325123 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Identification of elasto-plastic material properties from optical full-field strain measurement Title Zjišťování elastoplastických vlastností materialů použitím optického měření deformací Author(s) Žák, Ondřej (UTAM-F)
Jandejsek, Ivan (UTAM-F) RID, SAI
Jiroušek, Ondřej (UTAM-F) RID, SAI
Vavřík, Daniel (UTAM-F) RID, SAI, ORCIDSource Title 8th Youth Symposium on Experimental Solid Mechanics. - Budapest : Scientific Society of Mechanical Engineers, 2009 / Borbas Lajos - ISBN 978-963-9058-26-2 Pages s. 36-37 Number of pages 2 s. Publication form CD - CD Action Youth symposium on experimental solid mechanics /8./ Event date 20.05.2009-23.05.2009 VEvent location Gyor Country HU - Hungary Event type WRD Language eng - English Country HU - Hungary Keywords FE model ; elasto-plasty ; full-field optical method Subject RIV JI - Composite Materials R&D Projects GP103/07/P483 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20710524 - UTAM-F (2005-2011) Annotation Article deals with determination of properties of elasto-plastic materials. Elasto-plastic constitutive parameters of the material are identified in three following steps. The first one is full-field optical measurement of the strain field on the sample surface using a CCD camera of high-resolution.The images are then processed in Matlab Image Processing Toolbox. Displacement values and Poisson´s ratio are computed using an optical identification procedure. From the computed strains and recorded values of the applied load the stress-strain diagram is obtained. Workplace Institute of Theoretical and Applied Mechanics Contact Kulawiecová Kateřina, kulawiecova@itam.cas.cz, Tel.: 225 443 285 Year of Publishing 2009
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