Computations on a relaxed model of a rigid ferromagnet

Michael K. Keane; Robert C. Rogers

doi:10.1117/12.174242

1 May 1994 Computations on a relaxed model of a rigid ferromagnet

Michael K. Keane, Robert C. Rogers

Proceedings Volume 2192, Smart Structures and Materials 1994: Mathematics and Control in Smart Structures; (1994) https://doi.org/10.1117/12.174242
Event: 1994 North American Conference on Smart Structures and Materials, 1994, Orlando, FL, United States

Abstract

In this paper we do computations that describe a rigid, uniaxial, ferromagnetic material in a varying applied magnetic field. Our computations are based on a relaxed model with a nonlocal exchange energy. The model is based on the theory of Young-measures, but we show that our calculations can be based on only the first and second moments. Thus, we can do rigorous and accurate calculations without examining the full oscillating sequences that induce the Young-measure. We show that by varying the strength of the exchange energy we can induce hysteresis and observe hysteresis subloops and domain rotation.

Citation Download Citation

Michael K. Keane and Robert C. Rogers "Computations on a relaxed model of a rigid ferromagnet", Proc. SPIE 2192, Smart Structures and Materials 1994: Mathematics and Control in Smart Structures, (1 May 1994); https://doi.org/10.1117/12.174242

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