Original title: Experimental measurement of full-field strains in the vicinity of U-notch in ductile material
Authors: Jandejsek, Ivan ; Jiroušek, Ondřej ; Vavřík, Daniel
Document type: Papers
Conference/Event: Engineering Mechanics 2012, Svratka (CZ), 2012-05-14 / 2012-05-17
Year: 2012
Language: eng
Abstract: The paper deals with the measurement of full-field displacements and strains evolution in the vicinity of the U-notch in the flat high-ductile aluminum specimen during its loading. The full-field displacements are measured using Digital Image Correlation method in a set of vertices of a triangular mesh reflecting the presence of the stress concentrator. From the known displacements strain distribution is computed. The resulting strain field is compared with simultaneous strain gauge measurement. These strain gauges are located just in a few well-defined positions and serve for correction of a systematical error caused by rigid-body motion of the specimen during loading. The experimental results are used as referential for Finite Element simulation using the same triangular mesh.
Keywords: DIC; fracture mechanics; full-field strain measurement
Project no.: GA103/09/2101 (CEP)
Funding provider: GA ČR
Host item entry: Engineering Mechanics 2012, ISBN 978-80-86246-40-6

Institution: Institute of Theoretical and Applied Mechanics AS ČR (web)
Document availability information: Fulltext is available at the institute of the Academy of Sciences.
Original record: http://hdl.handle.net/11104/0211790

Permalink: http://www.nusl.cz/ntk/nusl-126602


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Research > Institutes ASCR > Institute of Theoretical and Applied Mechanics
Conference materials > Papers