Analysis of Parallel versus Sequential Splittings for Time-Stepping Physical Parameterizations

@inproceedings{Dubal2004AnalysisOP,
  title={Analysis of Parallel versus Sequential Splittings for Time-Stepping Physical Parameterizations},
  author={Mark R. Dubal and Nigel Wood and Andrew Staniforth},
  year={2004}
}
  • Mark R. Dubal, Nigel Wood, Andrew Staniforth
  • Published 2004
  • Mathematics
  • Abstract Various numerical issues concerning different approaches to the time stepping of physical parameterizations in numerical weather prediction (NWP) and climate models are examined. Parallel-split and sequential-split methods are explained and analyzed in the context of simple model equations. Terms arising from the use of splitting techniques produce erroneous solutions if the time step is large (of the size typically used in semi-implicit semi-Lagrangian models). Errors in steady-state… CONTINUE READING

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