Abstract
Geophysical flow simulations have evolved sophisticated implicit–explicit time stepping methods (based on fast-slow wave splittings) followed by time filters to control any unstable models that result. Time filters are modular and parallel. Their effect on stability of the overall process has been tested in numerous simulations. In this paper, we study the stability of the Crank–Nicolson-Leapfrog scheme with the Robert–Asselin–Williams time filter.
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Notes
Thus, we assume \(\nu \in (0,1]\) throughout the text.
For detailed proof, see the expanded version at http://www.mathematics.pitt.edu/sites/default/files/research-pdfs/CNLFraw.
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Communicated by Mechthild Thalhammer.
Partially supported by the Air Force under grant FA9550-12-1-0191 and the NSF under grant DMS 1216465.
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Hurl, N., Layton, W., Li, Y. et al. Stability analysis of the Crank–Nicolson-Leapfrog method with the Robert–Asselin–Williams time filter. Bit Numer Math 54, 1009–1021 (2014). https://doi.org/10.1007/s10543-014-0493-1
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DOI: https://doi.org/10.1007/s10543-014-0493-1