High-Order, Finite-Volume Methods in Mapped Coordinates
High-Order, Finite-Volume Methods in Mapped Coordinates
High-Order, Finite-Volume Methods in Mapped Coordinates
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Fig. 13. Circular advection of a slotted cyl<strong>in</strong>der on a 100 × 100 Cartesian grid. Theleft is the <strong>in</strong>itial condition (and reference solution), and the right is the computedsolution after one revolution. The slot and bridge do fill <strong>in</strong> and slump, respectively,but the overall agreement is good.<strong>in</strong> the mesh.5 SummaryWe have presented a strategy for the construction of high-order, f<strong>in</strong>ite-volumediscretizations of flux divergences <strong>in</strong> mapped coord<strong>in</strong>ates. The approach isbased on the systematic development of sufficiently accurate cell face averages,<strong>in</strong>clud<strong>in</strong>g the computation of product averages <strong>in</strong> terms of factor averagesFig. 14. Circular advection of a slotted cyl<strong>in</strong>der on a 100 × 100 deformed grid (84).The left is the <strong>in</strong>itial condition (and reference solution), and the right is the computedsolution after one revolution. The slot and bridge do fill <strong>in</strong> and slump, respectively,but the overall agreement is good.33