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math.NA2022★ 1 cited
Length preserving numerical schemes for Landau-Lifshitz equation based on Lagrange multiplier approaches
Qing Cheng, Jie Shen
We develop in this paper two classes of length preserving schemes for the Landau-Lifshitz equation based on two different Lagrange multiplier approaches. In the first approach, the…
math.NA2022★ 91 cited
A generalized SAV approach with relaxation for dissipative systems
Yanrong Zhang, Jie Shen
The scalar auxiliary variable (SAV) approach \cite{shen2018scalar} and its generalized version GSAV proposed in \cite{huang2020highly} are very popular methods to construct efficie…