Image Details
Caption: Figure 3.
Illustration of a 2D (dx = 2) FLASH-X FV grid block for nxb = nyb = 8 (black) combined with a DG grid (green) of linear elements (k = 1). In this case, a spatial element Kx with GL spatial nodes (x ∈ Sx; black dots) covers four subcells ﹩S={\cup }_{j=1}^{4}{S}_{j}﹩.
© 2026. The Author(s). Published by the American Astronomical Society.