A Conservative Staggered-Grid Chebyshev Multidomain Method for Compressible Flow.

Abstract

We present a new multidomain spectral collocation method that uses staggered grids for the solution of compressible flow problems. The solution unknowns are defined at the nodes of a Gauss quadrature rule. The fluxes are evaluated at the nodes of a Gauss-Lobatto rule. The method is conservative free-stream preserving and exponentially accurate. A significant advantage of the method is that subdomain corners are not included in the approximation. making solutions in complex geometries easier to compute. (AN)

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1995
Accession Number
ADA293946

Entities

People

  • David A. Kopriva
  • John H. Kolias

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Computational Fluid Dynamics
  • Computational Science
  • Computations
  • Computer Programming
  • Differential Equations
  • Elastic Waves
  • Engineering
  • Fluid Dynamics
  • Free Stream
  • Gas Dynamics
  • Geometry
  • Grids
  • Navier Stokes Equations
  • Steady State
  • Subsonic Flow
  • Transonic Flow
  • Two Dimensional

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