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On the modelling of amplitude and frequency-dependent properties in rubberlike solids
KTH, School of Engineering Sciences (SCI), Solid Mechanics (Dept.).
2005 (English)In: Constitutive Models for Rubber IV: Proceedings of the 4th European Conference for Constitutive Models for Rubber, ECCMR 2005, 2005, 285-291 p.Conference paper (Refereed)
Abstract [en]

In these days the development of vehicles is partly based on numerical simulations using computer programs developed to simulate the dynamics of multi-body systems. Constitutive models in combination with finite element implementations are required for the prediction of the mechanical behaviour of, e.g., rubberlike solids within vehicle components, which then provide a basis for simulations in multi-body systems. One aim of the present communication is to deal with the experimental investigation of the amplitude and frequency- dependent mechanical properties in rubberlike solids at constant temperature. Quasi-static uniaxial, equibiaxial and simple shear tests on natural rubber compounds were carried out in order to analyze their mechanical responses including the typical stress softening effect. In addition, cyclic uniaxial tension tests were performed for the determination of dynamical properties. Another aim of this communication is to summarize a constitutive model which captures the typical mechanical phenomena observed during the experiment investigation. A method for parameter identification is briefly described and a set of numerical data presented.

Place, publisher, year, edition, pages
2005. 285-291 p.
Keyword [en]
Constant temperature, Dynamical properties, Experiment investigation, Experimental investigations, Finite element implementation, Frequency-dependent, Mechanical behaviour, Mechanical response, Multi Body Systems, Natural rubber compounds, Numerical data, Quasi-static, Simple shear test, Stress softening, Uniaxial tensions, Vehicle components, Communication, Mechanical properties, Numerical methods, Rubber, Shear flow, Stresses, Tensile testing, Constitutive models
National Category
Applied Mechanics
URN: urn:nbn:se:kth:diva-156299ScopusID: 2-s2.0-84856644670ISBN: 0415383463ISBN: 9780415383462OAI: diva2:766604
4th European Conference for Constitutive Models for Rubber, ECCMR 2005, 27 June 2005 through 29 June 2005, Stockholm, Sweden

QC 20141127

Available from: 2014-11-27 Created: 2014-11-26 Last updated: 2014-11-27Bibliographically approved

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Holzapfel, Gerhard A.
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