Moving Finite Elements in 2-D -- Fluid Dynamics Applications.

Abstract

This report summarizes progress on the feasibility of using the moving finite element (MFE) method in two dimensional for the study of shock boundary layer interactions. It is found that highly local physical dissipation processes in regions of large gradients can be sensitive determinates of macroscopic flow properties. The MFE method continues to show promise for resolving such physical effects, while suppressing anomolous or numerical diffusion effects, over highly disparate physical scales. Recommendations are given for improving the MFE method for further reduction to practice for airblast applications. Keywords: Viscous Dissipation; Implicit Solutions; Partial Differential Equation; Navier Stokes Equations.

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Document Details

Document Type
Technical Report
Publication Date
Jan 30, 1984
Accession Number
ADA177112

Entities

People

  • Robert J. Gelinas

Organizations

  • Leidos

Tags

Communities of Interest

  • Energy and Power Technologies
  • Materials and Manufacturing Processes
  • Space

DTIC Thesaurus Topics

  • Boundaries
  • Boundary Layer
  • Classification
  • Computational Fluid Dynamics
  • Computational Science
  • Differential Equations
  • Diffusion
  • Dissipation
  • Equations
  • Fluid Dynamics
  • Fluid Flow
  • Hydrodynamics
  • Layers
  • Navier Stokes Equations
  • Steady State
  • Turbulent Mixing
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Fluid Dynamics.