Multigrid Solution Strategies for Adaptive Meshing Problems.

Abstract

This paper discusses the issues which arise when combining multigrid strategies with adaptive meshing techniques for solving steady-state problems on unstructured meshes. A basic strategy is described and demonstrated by solving several inviscid and viscous flow cases. Potential inefficiencies in this basic strategy are exposed and various alternate approaches are discussed some of which are demonstrated with an example. Although each particular approach exhibits certain advantages, all methods have particular drawbacks, and the formulation of a completely optimal strategy is considered to be an open problem.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1995
Accession Number
ADA293536

Entities

People

  • Dimitri J. Mavriplis

Tags

Communities of Interest

  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Boundaries
  • Boundary Layer
  • Computational Fluid Dynamics
  • Computational Science
  • Computers
  • Differential Equations
  • Engineering
  • Equations
  • Flow
  • Fluid Dynamics
  • Fluid Flow
  • Inviscid Flow
  • Mach Number
  • Partial Differential Equations
  • Pressure Distribution
  • Steady State
  • Viscous Flow

Readers

  • Computational Fluid Dynamics (CFD)
  • Systems Analysis and Design