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Parallel implementation issues: global versus local methods

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3 Author(s)
Thomas, S.J. ; Nat. Center for Atmos. Res., Boulder, CO, USA ; Loft, R.D. ; Dennis, J.M.

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.

Published in:

Computing in Science & Engineering  (Volume:4 ,  Issue: 5 )