A new accelerated technique for validation of cyclic plasticity models

This contribution presents a new methodology of fatigue tests evaluation based on digital image correlation application. The full-field strain analysis brings the possibility of 3D strain measurement evaluation on a curved part of specimen standardly used under axial-torsional loading. Resulting str...

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Bibliographic Details
Published inMATEC Web of Conferences Vol. 157; p. 5008
Main Authors Halama, Radim, Gál, Petr, Paška, Zbyněk, Sedlák, Josef
Format Journal Article Conference Proceeding
LanguageEnglish
Published Les Ulis EDP Sciences 01.01.2018
Subjects
Computer simulation
Correlation analysis
cyclic plasticity
digital image correlation
Digital imaging
fatigue testing
Fatigue tests
Plastic properties
ratcheting
Strain analysis
Strain measurement
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Summary:This contribution presents a new methodology of fatigue tests evaluation based on digital image correlation application. The full-field strain analysis brings the possibility of 3D strain measurement evaluation on a curved part of specimen standardly used under axial-torsional loading. Resulting strain response curves can subsequently serve for evaluation of cyclic plasticity model predictions. The crucial idea is the way of FE model creation to can evaluate simulation in the same points of the structure as in the DIC measurement. The new methodology saves amount of material and leads to a shorter experimental time.
ISSN:2261-236X
2274-7214
2261-236X
DOI:10.1051/matecconf/201815705008