A preconditioning strategy for microwave susceptibility in ferromagnets

  title={A preconditioning strategy for microwave susceptibility in ferromagnets},
  author={St{\'e}phane Labb{\'e}},
  journal={Advances in Engineering Software},
3D numerical simulations of ferromagnetic materials can be compared with experimental results via microwave susceptibility. In thi s paper, an optimised computation of this microwave susceptibility for large mes h is proposed. The microwave susceptibility is obtained by linearisation of t he Landau and Lifchitz equations near equilibrium states and the linear systems to be solved are very illconditionned. Solutions are computed using the Conjugate G radient method for the Normal equation (CGN… CONTINUE READING


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