Numerical Computation of Unsteady Incompressible Flow in Complex Geometry Using a Composite Multigrid Technique

Abstract

This paper presents a composite multigrid method and its application to a geometrically complex flow. The treatment of the interior boundary boundary conditions within a composite multigrid strategy is described in detail for a 1-D model equation. For the Navier-Stokes equations, a staggered grid technique is adopted for spatial discretization and a fractional step method is used for the time advance. Lid driven cavity flows are used to demonstrate the effectiveness of the method.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1991
Accession Number
ADA252075

Entities

People

  • Joel Ferziger
  • M. Hinatsu

Organizations

  • Stanford University

Tags

Communities of Interest

  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Boundaries
  • Composite Materials
  • Computational Fluid Dynamics
  • Computational Science
  • Computer Programs
  • Differential Equations
  • Equations
  • Fluid Dynamics
  • Fluid Flow
  • Geometry
  • Incompressible Flow
  • Navier Stokes Equations
  • Partial Differential Equations
  • Poisson Equation
  • Steady State
  • Two Dimensional

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