NDLI: Recent advances in runge-kutta schemes for solving 3-d navier-stokes equations

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Recent advances in runge-kutta schemes for solving 3-d navier-stokes equations

Content Provider	NASA Technical Reports Server (NTRS)
Author	Abid, Ridha Wedan, Bruce W. Vatsa, Veer N.
Copyright Year	1989
Description	A thin-layer Navier-Stokes has been developed for solving high Reynolds number, turbulent flows past aircraft components under transonic flow conditions. The computer code has been validated through data comparisons for flow past isolated wings, wing-body configurations, prolate spheroids and wings mounted inside wind-tunnels. The basic code employs an explicit Runge-Kutta time-stepping scheme to obtain steady state solution to the unsteady governing equations. Significant gain in the efficiency of the code has been obtained by implementing a multigrid acceleration technique to achieve steady-state solutions. The improved efficiency of the code has made it feasible to conduct grid-refinement and turbulence model studies in a reasonable amount of computer time. The non-equilibrium turbulence model of Johnson and King has been extended to three-dimensional flows and excellent agreement with pressure data has been obtained for transonic separated flow over a transport type of wing.
File Size	289519
Page Count	16
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19910001538
Archival Resource Key	ark:/13960/t3324v29b
Language	English
Publisher Date	1989-09-01
Access Restriction	Open
Subject Keyword	Aerodynamics High Reynolds Number Transonic Flow Turbulent Flow Wind Tunnels Fluid Dynamics Body-wing Configurations Runge-kutta Method Steady State Computer Programs Navier-stokes Equation Wings Three Dimensional Flow Turbulence Models Problem Solving Computational Grids Prolate Spheroids Separated Flow Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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