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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 67
COMPUTATIONAL TECHNIQUES FOR MATERIALS, COMPOSITES AND COMPOSITE STRUCTURES
Edited by: B.H.V. Topping
Paper III.1

Synthetic S/N Curves

W. Eichlseder

Institut für Allgemeinen Maschinenbau Montanuniversität Leoben, Leoben, Austria

Full Bibliographic Reference for this paper
W. Eichlseder, "Synthetic S/N Curves", in B.H.V. Topping, (Editor), "Computational Techniques for Materials, Composites and Composite Structures", Civil-Comp Press, Edinburgh, UK, pp 161-164, 2000. doi:10.4203/ccp.67.3.1
Abstract
The assessment of finite element results for dynamically loaded components requires local S/N-curves, which depend, under further effects, on the type of loading and the power flow within the component. These influences are described with help of the stress gradient, which can easily determined with finite element calculations. A model for synthetic S/N-curves is presented, which takes into account the stress gradient to define the local stress limit, the number of cycles at the fatigue limit and the slope.

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