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<p>Spectral elements are a potential alternative to the spectral transform method widely used in atmospheric general circulation models. A semi-implicit formulation permits larger time steps than an explicit formulation. Thus, a semi-implicit 3D spectral-element dynamical core should achieve high performance levels on microprocessor-based parallel clusters and substantially accelerate the climate simulation rate.</p>
Stephen J. Thomas, Richard D. Loft, John M. Dennis, "Parallel Implementation Issues: Global versus Local Methods", Computing in Science & Engineering, vol. 4, no. , pp. 26-31, September/October 2002, doi:10.1109/MCISE.2002.1032426
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