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Upwind numerical approximations of a compressible 1d micropolar fluid flow


Črnjarić-Žic, Nelida
Upwind numerical approximations of a compressible 1d micropolar fluid flow // Journal of computational and applied mathematics, 303 (2016), 81-92 doi:10.1016/j.cam.2016.02.022 (međunarodna recenzija, članak, znanstveni)


Naslov
Upwind numerical approximations of a compressible 1d micropolar fluid flow

Autori
Črnjarić-Žic, Nelida

Izvornik
Journal of computational and applied mathematics (0377-0427) 303 (2016); 81-92

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Micropolar fluid flow; hyperbolic conservation law; upwind scheme; finite volume approximations

Sažetak
In this paper we consider the numerical approximations of the nonstationary 1D flow of the compressible micropolar fluid, assuming that it is in the thermodynamically sense perfect and polytropic. The flow equations are considered in Eulerian formulation. It is proved that the inviscid micropolar flow equations are hyperbolic and the corresponding eigensystem is determined. The numerical approximation is based on the upwind Roe solver applied to the inviscid part of the flux, while the viscous part of the flux is approximated by using central differences. The numerical results for the inviscid flow show that the numerical scheme approximate the solutions very accurately. The numerical test for the viscous and heat conducting flow are also performed.

Izvorni jezik
Engleski

Znanstvena područja
Matematika, Temeljne tehničke znanosti



POVEZANOST RADA


Ustanove
Tehnički fakultet, Rijeka

Autor s matičnim brojem:
Nelida Črnjarić-Žic, (221191)

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


Uključenost u ostale bibliografske baze podataka:


  • MathSciNet
  • Zentrallblatt für Mathematik/Mathematical Abstracts


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