SOLVEDG, An Out-of-Core System Solver for Large Order Positive Definite Systems of Linear Equations,

Abstract

In the finite element approach to static structural analysis, the solution of the equation KU = P a positive definite system of simultaneous linear equations is basic. However, the order of K is often so large that, when advantage is taken of K's symmetry and banded structure, it is not feasible or sometimes even possible to store K in the core memory of a computer. SOLVEDG is an out-of-core system solver for KU = P suggested by Cantin's IBM 360 program SOLVE. SETUP is a preprocessor program for SOLVEDG which stores the matrices K and P in Random Access Files. SOLVEDG and SETUP are written in FORTRAN Extended for the CDC 6700 (6400/6600). The report also contains an original proof justifying the basic algorithm of SOLVEDG. (Author)

Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1973
Accession Number
AD0770618

Entities

People

  • Donald A. Gignac

Tags

DTIC Thesaurus Topics

  • Algorithms
  • Civil Engineering
  • Computers
  • Equations
  • Mathematics
  • Structural Analysis
  • Symmetry

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