Abstract
We present a new second-order, nonoscillatory, central difference scheme on two-dimensional, staggered, Cartesian grids for systems of conservation laws. The scheme uses a new, carefully designed integration rule for the flux computations and thereby takes more propagation directions into account. This effectively reduces grid orientation effects produced for two-dimensional radially symmetric gas flows and improves the accuracy for smooth solutions.
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Lie, KA., Noelle, S. An Improved Quadrature Rule for the Flux-Computation in Staggered Central Difference Schemes in Multidimensions. Journal of Scientific Computing 18, 69–81 (2003). https://doi.org/10.1023/A:1020386111898
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DOI: https://doi.org/10.1023/A:1020386111898