Parallelization of a Three‐Dimensional Shallow‐Water Estuary Model on the KSR‐1

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Abstract
Flows in estuarial and coastal regions may be described by the shallow‐water equations. The processes of pollution transport, sediment transport, and plume dispersion are driven by the underlying hydrodynamics. Accurate resolution of these processes requires a three‐dimensional formulation with turbulence modeling, which is very demanding computationally. A numerical scheme has been developed which is both stable and accurate – we show that this scheme is also well suited to parallel processing, making the solution of massive complex problems a practical computing possibility. We describe the implementation of the numerical scheme on a Kendall Square Research KSR‐1 multiprocessor, and present experimental results which demonstrate that a problem requiring 600,000 mesh points and 6,000 time steps can be solved in under 8 hours using 32 processors.
Funding Information
  • Esprit Holdings (6253(SHIPS))

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