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Bi-Directional Variable Stiffness Magnetorheological Elastomer (Mre) Design, Sarah S. Trabia
Bi-Directional Variable Stiffness Magnetorheological Elastomer (Mre) Design, Sarah S. Trabia
College of Engineering: Graduate Celebration Programs
What is MRE?
•MRE is a semi-active silicon with embedded iron particles for variable stiffness changes under external magnetic flux
Research Objective
•Feasibility of using MRE as a haptic feedback device.
•Design a MRE device that can increase or decrease the stiffness.
•Design an effective way of providing a “pre-strain” to the base silicon material.
Computational Simulation
•COMSOL 4.3b Finite Element Analysis
•2D axisymmetric model
•Parametric sweep was run to find the amount of current needed to counteract the permanent magnet.