Constitutive Modeling for Design and Control of Magnetostrictive Galfenol Devices |
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| Journal | Advances in Science and Technology (Volume 54) |
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| Volume | Smart Materials & Micro/Nanosystems |
| Edited by | Pietro VINCENZINI and Giuseppe D'ARRIGO |
| Pages | 13-18 |
| DOI | 10.4028/www.scientific.net/AST.54.13 |
| Citation | Marcelo J. Dapino et al., 2008, Advances in Science and Technology, 54, 13 |
| Online since | September, 2008 |
| Authors | Marcelo J. Dapino, Phillip G. Evans |
| Keywords | Constitutive Modeling, Dynamic Modeling, Eddy Current, Galfenol, Magnetisation, Magnetostriction, Thermal Relaxation |
| Abstract | A dynamic, nonlinear model for magnetic induction and strain response of cubic magnetostrictive materials to 3-D dynamic magnetic fields and 3-D stresses is developed. Dynamic eddy current losses and inertial stresses are modeled by coupling Maxwell’s equations to Newton’s second law through a nonlinear constitutive model. The constitutive model is derived from continuum thermodynamics. |
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