Article Type:
Research Article

Merging Finite-Difference Schemes Having Dissimilar Time-Differencing Operators

Philip S. Brown Jr. The Center for the Environment and Man, Inc., Hartford, Conn. 06120

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Joseph P. Pandolfo The Center for the Environment and Man, Inc., Hartford, Conn. 06120

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Print Publication:
01 Feb 1978
DOI:
https://doi.org/10.1175/1520-0493(1978)106<0268:MFDSHD>2.0.CO;2
Page(s):
268–270
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Abstract

A procedure is given here that allows two finite-difference schemes having dissimilar time-differencing operators (say, a horizontal advection-diffusion scheme and a vertical diffusion scheme) to be merged into a single equation at the cost of increasing storage requirements through the introduction of an additional time level. lie accuracy and stability of the combined scheme are investigated.

Abstract

A procedure is given here that allows two finite-difference schemes having dissimilar time-differencing operators (say, a horizontal advection-diffusion scheme and a vertical diffusion scheme) to be merged into a single equation at the cost of increasing storage requirements through the introduction of an additional time level. lie accuracy and stability of the combined scheme are investigated.

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