1. Viscoelasticity Measurement and Identification of Viscoelastic Parametric Models
- Author
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Re´mi Lemaire, Gaël Chevallier, Jean-Luc Dion, Franck Renaud, Laboratoire d'Ingénierie des Systèmes Mécaniques et des MAtériaux (LISMMA), Université Paris 8 Vincennes-Saint-Denis (UP8)-SUPMECA - Institut supérieur de mécanique de Paris (SUPMECA), Chassis System Brake, and Robert Bosch Gmbh [Schwieberdingen]
- Subjects
[PHYS.MECA.VIBR]Physics [physics]/Mechanics [physics]/Vibrations [physics.class-ph] ,Materials science ,Generalized Maxwell model ,Stiffness ,02 engineering and technology ,Mechanics ,Function (mathematics) ,Physics::Classical Physics ,021001 nanoscience & nanotechnology ,Viscoelasticity ,Characterization (materials science) ,[PHYS.MECA.MEMA]Physics [physics]/Mechanics [physics]/Mechanics of materials [physics.class-ph] ,020303 mechanical engineering & transports ,0203 mechanical engineering ,Parametric model ,medicine ,Zener diode ,medicine.symptom ,Asymptote ,0210 nano-technology ,ComputingMilieux_MISCELLANEOUS - Abstract
Generally speaking, the behaviour of viscoelastic material is more complicated than the behaviour proposed by classical models as Voigt, Maxwell or Zener. The stiffness of such materials is a frequency dependent complex function. Above 1000Hz, classical measurements techniques are unable to achieve accurate measurements of the stiffness. In this paper, a new Dynamical Mechanical Analysis (DMA) tester is presented. It allows the characterization of the shear stiffness of preloaded viscoelastic materials between 200 and 3500Hz and without using frequency-temperature equivalences. Then the Generalized Maxwell model is used to describe behaviours measured with the DMA tester. A new iterative identification method of the parameter of the Generalized Maxwell model is described. This identification method is based on the asymptotes of the model.Copyright © 2011 by ASME
- Published
- 2011