A Pragmatical Analysis of Discretization Procedures For Initial- and Boundary-Value Problems in Gas Dynamics and Their Influence on Accuracy or LOOK MA, NO WIGGLES.

Abstract

Examples are given of gas dynamical problems treated numerically, where apparently minor changes to the coding eliminate all numerical oscillations and instabilities. In each case, the changes are justified by physical considerations and the importance of consistency of coding with physical properties is emphasized.

Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1974
Accession Number
ADA002293

Entities

People

  • Gino Moretti

Tags

DTIC Thesaurus Topics

  • Accuracy
  • Aerodynamic Characteristics
  • Boundaries
  • Boundary Value Problems
  • Consistency
  • Dynamics
  • Elastic Properties
  • Gas Dynamics
  • Instability
  • Mechanical Properties
  • Oscillation
  • Physical Properties

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Theoretical Analysis.