Development of models of the magnetorheological fluid damper

The algorithm for analytical calculation of a power characteristic of magnetorheological (MR) dampers taking into account the rheological properties of MR fluid is considered. The nonlinear magnetorheological characteristics are represented by piecewise linear approximation to MR fluid areas with di...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2017-06, Vol.431, p.269-272
Main Authors: Kazakov, Yu.B., Morozov, N.A., Nesterov, S.A.
Format: Article
Language:English
Subjects:
Computer simulation
Dampers
Damping
Electromagnetism
Finite element analysis
Finite element method
Finite element simulations
Magnetic properties
Magnetorheological damper
Magnetorheological fluid
Magnetorheological fluids
Mathematical models
Power characteristic
Rheological curve
Rheological properties
Viscosity
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Summary:The algorithm for analytical calculation of a power characteristic of magnetorheological (MR) dampers taking into account the rheological properties of MR fluid is considered. The nonlinear magnetorheological characteristics are represented by piecewise linear approximation to MR fluid areas with different viscosities. The extended calculated power characteristics of a MR damper are received and they coincide with actual results. The finite element model of a MR damper is developed; it allows carrying out the analysis of a MR damper taking into account the mutual influence of electromagnetic, hydrodynamic and thermal fields. The results of finite element simulation coincide with analytical solutions that allows using them for design development of a MR damper. •Division of a MR fluid rheological curve into two sections with different viscosities.•Algorithm for calculation of a power characteristic of MR dampers is proposed.•Finite element model of a MR damper is developed.•Results of finite element simulation coincide with analytical solutions.
ISSN:0304-8853
1873-4766
DOI:10.1016/j.jmmm.2016.10.006