Study of High-Reynolds Number Isotropic Turbulence by Direct Numerical Simulation
We review studies of the statistics of isotropic turbulence in an incompressible fluid at high Reynolds numbers using direct numerical simulation (DNS) from the viewpoint of fundamental physics. The Reynolds number achieved by the largest DNS, with 4096 3 grid points, is comparable with the largest...
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| Veröffentlicht in: | Annual review of fluid mechanics 2009-01, Vol.41 (1), p.165-180 |
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| creator | ISHIHARA, Takashi GOTOH, Toshiyuki KANEDA, Yukio |
| description | We review studies of the statistics of isotropic turbulence in an incompressible fluid at high Reynolds numbers using direct numerical simulation (DNS) from the viewpoint of fundamental physics. The Reynolds number achieved by the largest DNS, with 4096
3
grid points, is comparable with the largest Reynolds number in laboratory experiments. The high-quality DNS data in the inertial subrange and the dissipative range enable the examination of detailed statistics at small scales, such as the normalized energy-dissipation rate, energy and energy-flux spectra, the intermittency of the velocity gradients and increments, scaling exponents, and flow-field structure. We emphasize basic questions of turbulence, universality in the sense of Kolmogorov's theory, and the dependence of the statistics on the Reynolds number and scale. |
| doi_str_mv | 10.1146/annurev.fluid.010908.165203 |
| format | Article |
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3
grid points, is comparable with the largest Reynolds number in laboratory experiments. The high-quality DNS data in the inertial subrange and the dissipative range enable the examination of detailed statistics at small scales, such as the normalized energy-dissipation rate, energy and energy-flux spectra, the intermittency of the velocity gradients and increments, scaling exponents, and flow-field structure. We emphasize basic questions of turbulence, universality in the sense of Kolmogorov's theory, and the dependence of the statistics on the Reynolds number and scale.</description><identifier>ISSN: 0066-4189</identifier><identifier>EISSN: 1545-4479</identifier><identifier>DOI: 10.1146/annurev.fluid.010908.165203</identifier><identifier>CODEN: ARVFA3</identifier><language>eng</language><publisher>Palo Alto, CA: Annual Reviews</publisher><subject>Exact sciences and technology ; Fluid dynamics ; Fundamental areas of phenomenology (including applications) ; High-reynolds-number turbulence ; Isotropic turbulence; homogeneous turbulence ; Physics ; Turbulence simulation and modeling ; Turbulent flows, convection, and heat transfer</subject><ispartof>Annual review of fluid mechanics, 2009-01, Vol.41 (1), p.165-180</ispartof><rights>2009 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a480t-394d187398031baf33f925f376c2caf269facebaf771387c9b9fd8e2686feb793</citedby><cites>FETCH-LOGICAL-a480t-394d187398031baf33f925f376c2caf269facebaf771387c9b9fd8e2686feb793</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,4168,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21168150$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>ISHIHARA, Takashi</creatorcontrib><creatorcontrib>GOTOH, Toshiyuki</creatorcontrib><creatorcontrib>KANEDA, Yukio</creatorcontrib><title>Study of High-Reynolds Number Isotropic Turbulence by Direct Numerical Simulation</title><title>Annual review of fluid mechanics</title><description>We review studies of the statistics of isotropic turbulence in an incompressible fluid at high Reynolds numbers using direct numerical simulation (DNS) from the viewpoint of fundamental physics. The Reynolds number achieved by the largest DNS, with 4096
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3
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| ispartof | Annual review of fluid mechanics, 2009-01, Vol.41 (1), p.165-180 |
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| language | eng |
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| source | Annual Reviews Complete A-Z List |
| subjects | Exact sciences and technology Fluid dynamics Fundamental areas of phenomenology (including applications) High-reynolds-number turbulence Isotropic turbulence homogeneous turbulence Physics Turbulence simulation and modeling Turbulent flows, convection, and heat transfer |
| title | Study of High-Reynolds Number Isotropic Turbulence by Direct Numerical Simulation |
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