Engineering Mechanics

International Conference

Proceedings Vol. 22 (2016)


ENGINEERING MECHANICS 2016

22nd INTERNATIONAL CONFERENCE
May 9 – 12, 2016, Svratka, Czech Republic
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Editors: Igor Zolotarev and Vojtěch Radolf

Copyright © 2016 Institute of Thermomechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 978-80-87012-59-8 (printed)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

MODELLING OF THERMO-MECHANICAL FATIGUE ON ENGINE GENERATOR TURBINE
Had J., Jamróz T.
pages 197 - 200, full text

Presented paper is dealt with thermo-mechanical fatigue analysis of the generator turbine. Only elastic stress and temperature field are taken from FEM analysis. Elasto-plastic stress and strain are calculated with temperature dependent hysteresis model of stabilized stress-strain relation. Generalized Prandtl-Ishlinskii model is used for this purpose. For every point in loading history is found closed hysteresis loop. Damage for damage parameter corresponding to current hysteresis loop is evaluated by using PrandtlIshlinskii model. This procedure was implemented and applied to the generator turbine.


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