MULTIPHYSICS NUMERICAL ANALYSIS OF MR DAMPER WITH EXPERIMENTAL VALIDATION

Abstract

MULTIPHYSICS NUMERICAL ANALYSIS OF MR DAMPER WITH EXPERIMENTAL VALIDATION

Abstract

Multiphysics numerical analysis , which are the magnetic field and time-dependent CFD analysis, validated by experimental results have been performed to obtain the magnetic flux density and relationship of damping force-displacement. The most effective levels of the design parameters  have been determined regarding of the damping force and dynamic range. Also, the expected performances of the optimal MR damper designs and effect each design parameter on performance have been calculated statistically corresponding to different velocity values. Results showed that, from 0.05 m/s to 0.15 m/s of piston velocity, the effect of the gap width was increased by 2.56% while the active length was decreased by 4.12% under constant current.

Keywords

• Magnetorheological damper
• Design of experimental
• Time-dependent CFD analysis
• non-Newtonian flow
• Coupled analysis

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