Domain decomposition methods

Part of the MS&A book series (MS&A, volume 2)


In this chapter we will introduce the domain decomposition method (DD, in short). In its most common version, DD can be used in the framework of any discretization method for partial differential equations (such as, e.g. finite elements, finite volumes, finite differences, or spectral element methods) to make their algebraic solution more efficient on parallel computer platforms. In addition, DD methods allow the reformulation of any given boundary-value problem on a partition of the computational domain into subdomains. As such, it provides a very convenient framework for the solution of heterogeneous or multiphysics problems, i.e. those that are governed by differential equations of different kinds in different subregions of the computational domain.


Coarse Grid Domain Decomposition Method Spectral Element Method Poisson Problem Schwarz Method 
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© Springer-Verlag Italia, Milan 2009

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