Engineering Mechanics

International Conference

Proceedings Vol. 13 (2007)


ENGINEERING MECHANICS 2007

NATIONAL CONFERENCE WITH INTERNATIONAL PARTICIPATION
May 14 – 17, 2007, Svratka, Czech Republic
;
Editors: Igor Zolotarev

Copyright © 2007 Institute of Thermomechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 978-80-87012-06-2 (printed)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

AN ESTIMATION OF FATIGUE LIFE UNDER GENERAL STRESS
Balda M., Svoboda J., Fröhlich V.
pages 9 - +7p., full text

The paper deals with an old problem of praxis. Structures, in general, are exposed to random excitations, which generate normal and torsional stresses. While an estimation of fatigue life is rather well known for uniaxial stress, quite different situation holds for combined random stress. A new approach to the title problem is described lower. It is based on cumulation of stress energy density in peaks of a complex damaging stress.


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