From HD/MHD to Radiation MHD HD 3D MHD Radiation MHD N 6 ×N step + (t,x,y,z ) Cost N 3 ×N step ρ(t,x,y,z), v(t,x,y,z), P(t,x,y,z) +B(t,x,y,z) Solve Radiation Transfer 3D Mesh Finite Difference Flux Limited Diffusion
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