An Aggregation-Based Domain Decomposition Preconditioner for Groundwater Flow

Abstract

In this paper we give a convergence analysis of a two-level additive Schwarz method in which the coarse mesh basis is constructed with aggregation, a method common in algebraic multigrid. This coarse mesh does not need geometric information about the subdomains and can readily be used on unstructured spatial meshes. We illustrate the performance with several computational examples.

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Document Details

Document Type
Technical Report
Publication Date
May 15, 2000
Accession Number
ADA453075

Entities

People

  • C. E. Kees
  • C. T. Miller
  • Carl Timothy Kelley
  • E. W. Jenkins

Organizations

  • North Carolina State University

Tags

DTIC Thesaurus Topics

  • Abstracts
  • Boundaries
  • Computations
  • Decomposition
  • Equations
  • Geometry
  • Groundwater
  • Inequalities
  • Information Operations
  • Mathematics
  • North Carolina
  • Two Dimensional

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)