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Titolo:
Numerical simulation of steady compressible flows using a zonal formulation. Part II: viscous flows
Autore:
Tang, C; Hafez, M;
Indirizzi:
Univ Calif Davis, Dept Mech & Aeronaut Engn, Davis, CA 95616 USA Univ Calif Davis Davis CA USA 95616 & Aeronaut Engn, Davis, CA 95616 USA
Titolo Testata:
COMPUTERS & FLUIDS
fascicolo: 7-8, volume: 30, anno: 2001,
pagine: 1003 - 1016
SICI:
0045-7930(200109/11)30:7-8<1003:NSOSCF>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
STOKES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
36
Recensione:
Indirizzi per estratti:
Indirizzo: Hafez, M Univ Calif Davis, Dept Mech & Aeronaut Engn, Davis, CA 95616 USA Univ Calif Davis Davis CA USA 95616 ut Engn, Davis, CA 95616 USA
Citazione:
C. Tang e M. Hafez, "Numerical simulation of steady compressible flows using a zonal formulation. Part II: viscous flows", COMPUT FLU, 30(7-8), 2001, pp. 1003-1016

Abstract

Viscous flow simulations are usually based on the Navier-Stokes equations representing the balance of mass, momentum, and energy. For many high Reynolds number flows, the viscous effects are only limited to small regions in the neighborhood of solid surfaces and in the wakes. We present here a zonal formulation with a reduced system of equations in the outer inviscid flowregion. As in part I of this work, the velocity components are calculated from a generalized form of the Cauchy-Riemann equations with nonvanishing vorticity only in the inner region, where the governing equations including the viscous terms are solved. The viscous effects are transferred to the Cauchy-Riemann equations through a forcing function (vorticity), and the process is repeated until convergence. Preliminary results are presented and compared to standard Navier-Stokes calculations for two and three dimensionalflow problems. (C) 2001 Elsevier Science Ltd. All rights reserved.

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Documento generato il 01/04/20 alle ore 17:45:53