AN ADAPTIVELY REFINED QUADTREE GRID METHOD FOR INCOMPRESSIBLE FLOWS

AN ADAPTIVELY REFINED QUADTREE GRID METHOD FOR INCOMPRESSIBLE FLOWS

An adoptively refined quadtree grid method for the numerical solution of the incompressible Navier-Stokes equations is presented. A pressure-based scheme with allocated primitive variables is used as the solution algorithm. A process of grid refinement and flow solution is repeated until a sufficien...

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Veröffentlicht in:Numerical Heat Transfer. Part B, Fundamentals Fundamentals, 1998-12, Vol.34 (4), p.379-400
Hauptverfasser: Ochs, Stuart S., Ganesh Rajagopalan, R.
Format: Artikel
Sprache:eng
Schlagworte:
Computational methods in fluid dynamics
ENGINEERING NOT INCLUDED IN OTHER CATEGORIES
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
INCOMPRESSIBLE FLOW
MESH GENERATION
NAVIER-STOKES EQUATIONS
NUMERICAL SOLUTION
Physics
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container_title Numerical Heat Transfer. Part B, Fundamentals
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creator Ochs, Stuart S.
Ganesh Rajagopalan, R.
description An adoptively refined quadtree grid method for the numerical solution of the incompressible Navier-Stokes equations is presented. A pressure-based scheme with allocated primitive variables is used as the solution algorithm. A process of grid refinement and flow solution is repeated until a sufficiently resolved solution is obtained. The present method has been applied to a variety of test cases. The results show that an adoptively refined quadtree grid can yield a better grid distribution over the flow, therefore yielding a more accurate solution as well as an improved convergence rate than a structured grid with a similar number of grid points.
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subjects Computational methods in fluid dynamics
ENGINEERING NOT INCLUDED IN OTHER CATEGORIES
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
INCOMPRESSIBLE FLOW
MESH GENERATION
NAVIER-STOKES EQUATIONS
NUMERICAL SOLUTION
Physics
title AN ADAPTIVELY REFINED QUADTREE GRID METHOD FOR INCOMPRESSIBLE FLOWS
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