Moving Finite Elements in 2-D.

Abstract

The moving finite element (MFE) method is a new PDE solution method which has shown significant promise in 1-D for the numerical solution of some of the most difficult problems under study with extremely large, but finite, gradients. The overall objective of the present research is to explore further the promise of the continuous node moving properties of the MFE method in 2-D. For this, both the logical structure of the MFE method and its reduction to practice in 2-D are under investigation in this project. This initial research in 2-D focuses upon such simple conservation equations as heat, travelling wave, and Burger's equations. Work in this initial reporting period has resulted in significant computational economies for both unvectorized versions of the MFE method as it currently exists and for vectorized versions which may emerge in later efforts. A working test code which is needed for essential scientific exploration and further enhancement of the MFE method in higher dimensions has been brought to nearly an operational stage of execution during this period. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Dec 08, 1981
Accession Number
ADA111007

Entities

People

  • Robert J. Gelinas

Tags

Communities of Interest

  • C4I

DTIC Thesaurus Topics

  • Air Force
  • Computational Fluid Dynamics
  • Computational Science
  • Demographic Cohorts
  • Differential Equations
  • Directional
  • Equations
  • Finite Element Analysis
  • Gas Dynamics
  • Numerical Integration
  • Runge Kutta Method
  • Students
  • Test And Evaluation
  • Triangles
  • Two Dimensional
  • Variational Equations

Readers

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