Author

Ling-Xiao Li

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Preprint Aug 2026

Robust Block Preconditioning for 3D nonlinear steady-state radiation transport equations

In this work, based on the discrete ordinate method, we propose a robust block preconditioning strategy for the 3D nonlinear steady-state radiation transport equation with heat diffusion term. The presence of the diffusive term of the temperature equation prevents its elimination into a single equation for the radiatio...

Yun Ma, Ling-Xiao Li, Chang-Hui Yao · 0 citations

Preprint Aug 2026

High-order Energy-stable and Charge-conservative Lagrangian FEM for 3D Incompressible Inductionless MHD equations with Variable Density

In this paper, we develop a high-order, energy-stable and charge-conservative Lagrangian finite element method for variable-density incompressible inductionless magnetohydrodynamic (MHD) equations. The method utilizes the moving high-order curved tetrahedral mesh to track the material interface. Second-order Backward D...

Ling-Xiao Li, Bijie Song, Haiyan Su et al. · 0 citations