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Author

Wen-Shuai Hu

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Preprint Sep 2026

Energy stability and error estimates for a second-order structure-preserving exponential integrator method for smectic-A liquid crystals

In this work, we develop a second-order, linear, decoupled, and structure-preserving numerical scheme for the modified Landau--de Gennes model of smectic-A (SmA) liquid crystals. The main contributions are threefold. First, to the best of our knowledge, we propose the first integration of the generalized scalar auxilia...

Wen-Shuai Hu, Guang-Hua Ji, Xiao Li · 1 citation
Preprint Oct 2026

Data-Driven Free-Energy Learning from Trajectories via Structure-Preserving Exponential Time Differencing

Structure-preserving numerical methods for gradient flows have been extensively developed when the governing equations and free energies are known. However, accurately predicting dynamics from observational data while preserving intrinsic physical properties remains challenging. Although neural operators, such as Fouri...

Wen-Shuai Hu, Guang-Hua Ji, Xiao Li · 0 citations

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