Distributed nested streamed models of tsunami waves
by Kensaku Hayashi; Alexander Vazhenin; Andrey Marchuk
International Journal of Computational Science and Engineering (IJCSE), Vol. 23, No. 2, 2020

Abstract: This research focuses on designing a high-speed scheme for tsunami modelling using nested computing. Computations are carried out on a sequence of grids composed of geographical areas with resolutions where each is embedded within another. This decreases the total number of calculations by excluding unimportant coastal areas from the process. The paper describes the distributed streaming computational scheme allowing for flexible reconfiguration of heterogeneous computing resources with a variable set of modelling zones. Computations are implemented by distributing these areas over modelling components and by synchronising the transitions of boundary data between them. Results of numerical modelling experiments are also presented.

Online publication date: Fri, 23-Oct-2020

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