FIDAG, A Program for Finite Difference Interpolation on an Arbitrary Grid.

Abstract

This report documents the computer program FIDAG for performing finite difference analysis on arbitrary two-dimensional grids. Besides the detailed descriptions of the mathematical, numerical and implementation considerations for FIDAG, practical considerations for its utilization are discussed. Specific applications for the solution of partial differential equations and bivariate interpolation are treated along with sample numerical results. A simple data base system for convenient interface with engineering analysis programs such as STAGS (Structural Analysis of General Shells) is also discussed. These programs have been interfaced and sample results from the STAGS-FIDAG combination are presented.

Document Details

Document Type
Technical Report
Publication Date
Apr 09, 1976
Accession Number
ADA027773

Entities

People

  • Paul S. Jensen

Organizations

  • Lockheed Martin Missiles and Space

Tags

DTIC Thesaurus Topics

  • Application Software
  • Computer Programs
  • Computers
  • Databases
  • Differential Equations
  • Digital Information
  • Engineering
  • Equations
  • Interpolation
  • Mathematical Analysis
  • Mathematics
  • Partial Differential Equations
  • Structural Analysis
  • Two Dimensional

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Software Engineering
  • Structural Dynamics.