Improvement of the DNS of turbulent channel flow using the finite difference method (Introduction of the compact scheme to the viscous terms for high spatial resolution in the dissipation range)

Hiroki Suzuki, Kouji Nagata, Yasuhiko Sakai, Toshiyuki Hayase, Takashi Kubo

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

In an attempt to improve the accuracy in direct numerical simulation (DNS) of fully developed incompressible turbulent channel flow using the finite difference method, the fourth and eighth order central compact schemes with 'spectrallike resolution' have been introduced to the viscous terms, which play an important role in the dissipation range in the near wall turbulence. The DNSs using the conventional second and fourth order central difference schemes are also conducted for comparison. The results are compared with those obtained by the spectral method. The results show the improvement in accuracy by the introduction of the compact schemes. The remarkable improvements in the power and dissipation spectra are also confirmed in the dissipation range.

Original languageEnglish
Pages (from-to)642-649
Number of pages8
JournalNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume75
Issue number752
DOIs
Publication statusPublished - 2009 Apr

Keywords

  • Compact scheme
  • Computational fluid dynamics
  • Direct numerical simulation
  • Finite difference method
  • Turbulent channel flow
  • Turbulent flow

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering

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