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Analysis of Viscoplastic Properties of a Magnetorheological Fluid in a Damper

Bajkowski J., Skalski P.

Acta Mechanica et Automatica

2012

Vol. 6, no. 3

5-10

The aim of presented paper is a mathematical description and an analysis of viscoplastic properties of a magnetorehological fluid in operational conditions of a damper’s work. The authors considers the possibility of use the viscoplastic law, typically for metals, to describe the behaviour of device with a magnethorheological fluid.

Modelling of the Behaviour of a Magnetorheological Damper by the Bodner-Partom Constitutive Equations

Skalski P., Woźnica K., Bajkowski J.

Machine Dynamics Problems

2008

Vol. 32, No. 3

91-97

This paper presents an approach to describe the dynamic behaviour of a magnetorheological (MR) damper by the Bodner-Partom (B-P) constitutive equations. The B-P equations usually used for metal materials are presented for shear stresses to express viscoplastic proprieties of a MR fluid. The material parameters for the LORD RD 1005-3 damper are determined. The experimental results are shown and are compared with the numerical results.