Three-Dimensional Unsteady Euler Equations Solution Using Flux Vector Splitting.

Abstract

A method for numerically solving the three-dimensional unsteady Euler equations using flux vector splitting is developed. The equations are cast in curvilinear coordinates and a finite volume discretization is used. An explicit upwind second-order predictor-corrector scheme is used to solve the discretized equations. The scheme is stable for a CFD number of 2 and local time stepping is used to accelerate convergence for steady-state problems. Characteristics variable boundary conditions are developed and used in the far-field and at surfaces. No additional dissipation terms are included in the scheme. Numerical results are compared with results from an existing three-dimensional Euler code and experimental data. Keywords include: Euler Equations, Flux Vector Splitting, Computational Fluid Dynamics.

Document Details

Document Type
Technical Report
Publication Date
Jun 25, 1984
Accession Number
ADA152267

Entities

People

  • D. L. Whitfield
  • J. M. Janus

Organizations

  • Mississippi State University

Tags

DTIC Thesaurus Topics

  • Computational Fluid Dynamics
  • Equations
  • Euler Equations
  • Experimental Data
  • Far Field
  • Fluid Dynamics
  • Splitting
  • Steady State
  • Three Dimensional

Fields of Study

  • Physics

Readers

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