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A software interface for fully implicit flow simulations on block-structured grids

Dröge, B.E. (2012) A software interface for fully implicit flow simulations on block-structured grids. Master's Thesis / Essay, Computing Science.

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Recently, a new iterative domain-decomposition method has been developed which has been used to solve large linear systems arising from the spatial discretization of partial differential equations (such as the Navier-Stokes equations) by splitting them into many small subdomains. This method combines the advantages of direct and iterative solvers, which gives the method a lot of favorable properties. We present a software interface for this solve method which is able to apply the solver to a wide range of problems in a distributed memory environment. Furthermore, our software interface does only require a (set of) partial differential equation(s), a suitable mesh and some parameters as input, so the user does not need to worry about subjects like discretization, solving equations and parallelization. In this thesis, we give an overview of which mathematical and computational aspects are playing a role in typical fluid problems and how the software interface is built on top of some existing software packages. Finally, we show some results obtained by running the application on a computer cluster.

Item Type: Thesis (Master's Thesis / Essay)
Degree programme: Computing Science
Thesis type: Master's Thesis / Essay
Language: English
Date Deposited: 15 Feb 2018 07:47
Last Modified: 15 Feb 2018 07:47

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