Numerical simulation of MR fluid damping characteristics using a modified Bingham model

Hideya Nishiyama, Shigemi Fushimi, Masami Nakano

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


A numerical simulation is conducted to clarify the unsteady flow behavior and drag force around the oscillating flat plate immersed in MR fluids under the applied magnetic field. A modified Bingham model is adopted to take continuous viscous flow behavior at the very small shear rate and also magnetically variable yield stress into account. The measured yield stress is given to the model as a function of magnetic field intensity. The governing equations for the oscillating flat plate and unsteady MR fluids flow are derived by a modified Bingham model taking magnetic body force, yield stress and viscous force into account. The effects of magnetic field intensity, oscillation frequency and amplitude and further plate thickness on the fluid flow and damping characteristics around the oscillating flat plate are clarified by the numerical simulation.

Original languageEnglish
Pages (from-to)647-653
Number of pages7
JournalJournal of Intelligent Material Systems and Structures
Issue number10
Publication statusPublished - 2002 Oct 1


  • Bingham model
  • Damper
  • Functional fluids
  • MR fluids
  • Numerical simulation

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanical Engineering


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