A Fast Solver Free of Fill-In for Finite Element Problems,

Abstract

A new algorithm for solving FEM problems is presented. It blends a preconditioned conjugate gradient iteration into a direct factorization method. The goal was to reduce fill to a negligible level and thus reduce storage requirements but it turned out to be faster than its rivals for an important class of problems. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jun 23, 1981
Accession Number
ADA102568

Entities

People

  • B. Nour-omid
  • Beresford N. Parlett
  • M. R. Li

Organizations

  • University of California, Berkeley

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Algorithms
  • Applied Mathematics
  • Arithmetic
  • Chebyshev Polynomials
  • Civil Engineering
  • Computations
  • Convergence
  • Eigenvalues
  • Equations
  • Finite Element Analysis
  • Iterations
  • Linear Systems
  • Mathematical Analysis
  • Mathematics
  • Military Research
  • Structural Analysis
  • Two Dimensional

Readers

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