A Physics-Wise Splitting Preconditioner with Selective Relaxation for the Multi-Group Radiation Diffusion Equations in Three Dimensions. Communications in Computational Physics, [S. l.], v. 38, n. 2, p. 467–490, 2025. DOI: 10.4208/cicp.OA-2023-0147. Disponível em: https://global-sci.com/index.php/cicp/article/view/7373. Acesso em: 6 dec. 2025.