期刊
JOURNAL OF DIFFERENTIAL EQUATIONS
卷 367, 期 -, 页码 79-123出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jde.2023.04.040
关键词
Magnetoelasticity; Global classical solutions; Landau-Lifshitz-Gilbert equation; Deformation gradient flow
类别
In this paper, the local-in-time existence of the evolutionary model for magnetoelasticity with finite initial energy is proven by using the nonlinear iterative approach to handle the constraint on values of the magnetization |M(t, x)| = 1 in the Landau-Lifshitz-Gilbert (LLG) equation. The evolutionary model for magnetoelasticity with zero external magnetic field is reformulated near the constant equilibrium, and a dissipative term is introduced from the elastic stress. The global well-posedness of the model is justified under small size of initial data.(c) 2023 Elsevier Inc. All rights reserved.
In this paper, we first prove the local-in-time existence of the evolutionary model for magnetoelasticity with finite initial energy by employing the nonlinear iterative approach to deal with the constraint on values of the magnetization |M(t, x)| = 1 in the Landau-Lifshitz-Gilbert (LLG) equation. We reformulate the evolutionary model near the constant equilibrium for magnetoelasticity with vanishing external magnetic field, so that a further dissipative term will be sought from the elastic stress. We thereby justify the global well-posedness to the evolutionary model for magnetoelasticity with zero external magnetic field under small size of initial data.(c) 2023 Elsevier Inc. All rights reserved.
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