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  4. First steps in data based constitutive modelling of inelastic effects in composite cables using Preisach hysteresis operators
 
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2021
Conference Paper
Title

First steps in data based constitutive modelling of inelastic effects in composite cables using Preisach hysteresis operators

Abstract
The present contribution aims at describing hysteresis behaviour arising from cyclic bending experiments on cables by means of the Preisach operator. As shown in pure bending experiments, slender structures such as electric cables behave inelastically and open hysteresis loops arise, with noticeable difference between the first load cycle and the following ones. The Preisach operator plays an important role in describing the input-output relation in hysteresis behaviours and it can be expressed as a superposition of relay operators. The definition of the Preisach plane occurs naturally from the definition of Preisach operator and hysteresis loops can be computed by integrating a suitable kernel function over a domain included in the Preisach plane. A mathematical formulation of the problem is introduced and a first attempt is made to mathematically determine the hysteresis behaviour that describes the relation between curvature and bending moment. Therefore, a suitable kernel function is identified in a way that its integration over the Preisach plane results in the bending moment of the specimen, and a comparison between different kernel functions is performed.
Author(s)
Manfredo, Davide  
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM  
Dörlich, Vanessa  
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM  
Linn, Joachim  
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM  
Arnold, Martin
Martin Luther University Halle-Wittenberg
Mainwork
10th ECCOMAS Thematic Conference on MULTIBODY DYNAMICS 2021. Proceedings  
Conference
Thematic Conference on Multibody Dynamics 2021  
Open Access
File(s)
Download (1.59 MB)
Link
Link
Rights
CC BY 4.0: Creative Commons Attribution
DOI
10.24406/h-413357
Language
English
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM  
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