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- W2124438453 abstract "Efficient parallel algorithms are required to simulate incompressible turbulent flows in complex two- and three-dimensional domains. The incompressible Navier–Stokes equations are discretized in general coordinates on a structured grid. For a flow on a general domain we use an unstructured decomposition of the domain into subdomains of simple shape, with a structured grid inside each subdomain. We have developed a parallel block-preconditioned GCR method to solve the resulting systems of linear equations. The method can be smoothly varied between a coarse grain parallel method in which the subdomain problems are solved accurately with an inner iteration process and a fine grain parallel method when only a preconditioner is used to approximate the solution on the blocks. Parallel performance results for Boussinesq flow in a cavity are included." @default.
- W2124438453 created "2016-06-24" @default.
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- W2124438453 date "2001-09-01" @default.
- W2124438453 modified "2023-09-25" @default.
- W2124438453 title "A parallel block-preconditioned GCR method for incompressible flow problems" @default.
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- W2124438453 doi "https://doi.org/10.1016/s0167-739x(00)00073-x" @default.
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