Summary
Computational dispersion properties in terms of frequency and group velocity components for centered difference schemes using all possible, practically meaningful 3-D staggered grids, have been examined for hydrostatic and non-hydrostatic atmospheric systems. The most advantageous 3-D staggered grids have been obtained by combining the best horizontal and vertical grids. The time-staggered grids have been also included into consideration. The best 3-D staggered grids provide twice the effective spatial resolution of the regular (unstaggered) 3-D grid. The obtained results, along with other computational considerations, provide the practical guidance for the optimal grid choice for various atmospheric models.
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© 1996 Friedr. Vieweg & Sohn Verlagsgesellschaft mbH, Braunschweig/Wiesbaden
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Fox-Rabinovitz, M.S. (1996). Computational Dispersion Properties of 3-D Staggered Grids for Hydrostatic and Non-Hydrostatic Atmospheric Models. In: Deville, M., Gavrilakis, S., Ryhming, I.L. (eds) Computation of Three-Dimensional Complex Flows. Notes on Numerical Fluid Mechanics (NNFM), vol 49. Vieweg+Teubner Verlag. https://doi.org/10.1007/978-3-322-89838-8_13
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DOI: https://doi.org/10.1007/978-3-322-89838-8_13
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