On Domain Decomposition,

Abstract

This report discusses aspects of the method of domain decomposition for the solution of elliptic boundary value problems in two dimensions. The basic idea behind the technique is to piece together local solutions of the elliptic problem to form a global solution. There are several reasons for wanting to use such a procedure. The first is that a given domain may be irregular, but can be subdivided into regular pieces for which solutions are computationally efficient to obtain. Another reason is that the method may be suitable for for solving elliptic problems on multiple processor machines. If, for example, one breaks up the domain into many small pieces and allocates a processor to each piece, then there is the possibility of decreasing the computational time by constructing the local solutions in parallel and gluing them together. The purpose of this report is to examine model problems with the intention of providing motivation and insight concerning results previously presented as well as offer some new observations that may aid in the implementation of the method. Keywords: Integral equations, variable coefficient problem; discrete operators.

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1985
Accession Number
ADA162933

Entities

People

  • Christopher R. Anderson

Organizations

  • Stanford University

Tags

Communities of Interest

  • Air Platforms
  • C4I

DTIC Thesaurus Topics

  • Algorithms
  • Aspect Ratio
  • Boundaries
  • Boundary Value Problems
  • Coefficients
  • Computations
  • Decomposition
  • Difference Equations
  • Eigenvalues
  • Eigenvectors
  • Equations
  • Fourier Analysis
  • Geometry
  • Identities
  • Integral Equations
  • Integrals
  • Numbers

Fields of Study

  • Mathematics

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Systems Analysis and Design