Iterative Methods for Large Sparse Linear Systems Arising from Partial Differential Equations

Abstract

The objective of this project was to study numerical methods for solving sparse linear systems of equations of the type that arise from discretized partial differential equations. Such systems arise in mathematical models of numerous physical processes including turbulent flow, chemical reactive flow, semiconductor device simulation, and structural mechanics. For many such problems, analytic solutions are not available, so the only way of obtaining insight into the model is through numerical approximation and solution. The solution of sparse linear systems is often the most costly task, in terms of both computer time and storage, required by this process, so that improving the efficiency of such computations is of critical importance for the construction of accurate numerical models. Emphasis has been on sparse iterative methods for solving these systems, and implementation of linear system solvers on parallel computers. Major results are summarized in the final report.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1992
Accession Number
ADA249524

Entities

People

  • Howard C. Elman

Organizations

  • University of Maryland

Tags

Communities of Interest

  • Human Systems
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Applied Mathematics
  • Computational Science
  • Computations
  • Computers
  • Differential Equations
  • Equations
  • Flow
  • Linear Systems
  • Mathematical Models
  • Mathematics
  • Mechanics
  • Models
  • Parallel Computing
  • Partial Differential Equations
  • Semiconductor Devices
  • Structural Mechanics
  • Turbulent Flow

Fields of Study

  • Mathematics

Readers

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

Technology Areas

  • Microelectronics